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JPH0818619B2 - Synthetic resin molding for pallet construction and molding apparatus therefor - Google Patents
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JPH0818619B2 - Synthetic resin molding for pallet construction and molding apparatus therefor - Google Patents

Synthetic resin molding for pallet construction and molding apparatus therefor

Info

Publication number
JPH0818619B2
JPH0818619B2 JP63089332A JP8933288A JPH0818619B2 JP H0818619 B2 JPH0818619 B2 JP H0818619B2 JP 63089332 A JP63089332 A JP 63089332A JP 8933288 A JP8933288 A JP 8933288A JP H0818619 B2 JPH0818619 B2 JP H0818619B2
Authority
JP
Japan
Prior art keywords
synthetic resin
molding
fitting recess
rod
resin molded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP63089332A
Other languages
Japanese (ja)
Other versions
JPH01267158A (en
Inventor
啓志 松本
茂信 寺田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daifuku Co Ltd
Original Assignee
Daifuku Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daifuku Co Ltd filed Critical Daifuku Co Ltd
Priority to JP63089332A priority Critical patent/JPH0818619B2/en
Publication of JPH01267158A publication Critical patent/JPH01267158A/en
Publication of JPH0818619B2 publication Critical patent/JPH0818619B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、載荷用盤面部分とそれの下方側に連なる脚
とを備え、且つ、前記載荷用盤面部分の上面側又は画面
側に防滑用ゴムの嵌着用凹部を備えるように射出成形さ
れるパレット構成用の合成樹脂成形体及びその成形装置
に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention includes a loading board surface portion and legs connected to the lower side thereof, and has an anti-slip surface on the upper surface side or the screen side of the loading board surface portion. The present invention relates to a synthetic resin molded body for pallet construction which is injection-molded so as to have a rubber fitting recess, and a molding apparatus therefor.

〔従来の技術〕[Conventional technology]

成形装置は、一般に、固定側の成形用金型と可動側の
成形用金型とを備え、それら両金型によって成形用キャ
ビティを形成するものであり、又、固定側の成形用金型
に、溶融樹脂を射出するゲートが形成されるものであ
る。(例えば特開昭57−104558号参照) そして、従来では、成形用金型のゲートが、防滑用ゴ
ムの嵌着用凹部の成形箇所以外の箇所、つまり、合成樹
脂成形体の表面部のうちで嵌着用凹部の成形箇所を除い
た表面部分の成形箇所に開口されていた。
The molding apparatus generally comprises a fixed-side molding die and a movable-side molding die, and a molding cavity is formed by these two molds. The gate for injecting the molten resin is formed. (See, for example, JP-A-57-104558) And, conventionally, the gate of the molding die is a part other than the molding part of the fitting recess of the anti-slip rubber, that is, the surface part of the synthetic resin molded body. It was opened in the molding portion of the surface portion except the molding portion of the fitting recess.

パレット構成用の合成樹脂成形体は、単体で使用され
ることもあるが、一般には、1つの成形体の脚の端部を
他の成形体の脚の端部に接続させることにより、2つの
成形体で1つのパレットを構成することになる。
The synthetic resin molded body for pallet construction may be used as a single body, but in general, by connecting the ends of the legs of one molded body to the ends of the legs of another molded body, The molded body constitutes one pallet.

又、一般には、前記嵌着用凹部の底部が、大部分に亘
って平坦面であり、防滑用ゴムは、接着剤にて固定され
る状態で、凹部に嵌め込まれることが多いが、次に述べ
る手段で、防滑用ゴムが取付けられることもある。
In general, the bottom of the fitting recess is a flat surface over most of the area, and the anti-slip rubber is often fitted into the recess while being fixed with an adhesive. Anti-slip rubber may be attached by means.

すなわち、例えば実開昭57−154634号公報で開示され
ているように、前記嵌着用凹部の底部が、凹部入口側に
向けて突出する棒状部を備えるように成形され、その棒
状部に防滑ゴムを外嵌させた状態において、棒状部の先
端に、加熱加工により、横側方に突出する抜止め用の係
止突起を形成させる手段がある。ちなみに、この手段の
場合には、防滑ゴムに、棒状部が貫通する貫通孔が形成
され、且つ、上面部に、係止突起の凹入部が形成される
ことになる。
That is, for example, as disclosed in Japanese Utility Model Application Laid-Open No. 57-154634, the bottom of the fitting recess is formed so as to have a bar-shaped portion that protrudes toward the recess inlet side, and the bar-shaped portion has an anti-slip rubber. There is a means for forming a retaining projection protruding laterally by heat processing at the tip of the rod-shaped portion in a state of being fitted externally. By the way, in the case of this means, the anti-slip rubber has a through hole through which the rod-shaped portion penetrates, and the upper surface has a recessed portion of the locking projection.

〔発明が解決しようとする課題〕[Problems to be Solved by the Invention]

合成樹脂成形体の表面部には、成形用金型のゲート跡
に対応する残存突起が形成されるものとなる。
On the surface portion of the synthetic resin molded body, a residual protrusion corresponding to the gate mark of the molding die is formed.

そして、従来の成形装置にて成形した場合には、表面
部のうちの嵌着用凹部以外の表面部分に、残存突起が形
成されるものとなり、このため、従来では、成形後にお
いて、残存突起を削り取り特別な作業を要する不都合が
あった。
Then, when molded by a conventional molding device, a residual protrusion is formed on the surface portion of the surface portion other than the fitting concave portion. Therefore, in the conventional case, the residual protrusion is formed after molding. There was an inconvenience requiring special work for scraping.

本発明は、上記実情に鑑みて為されたものであって、
その目的は、残存突起を除去する特別な作業を不要にす
ることできるパレット構成用の合成樹脂成形体及びその
成形装置を提供する点にある。
The present invention has been made in view of the above circumstances,
An object of the invention is to provide a synthetic resin molded body for pallet construction and a molding apparatus for the same, which makes it unnecessary to perform a special operation for removing the residual protrusion.

〔課題を解決するための手段〕[Means for solving the problem]

パレット構成用の合成樹脂成形体は、載荷用盤面部分
とそれの下方側に連なる脚とを備え、且つ、前記載荷用
盤面部分の上面側又は下面側に防滑用ゴムの嵌着用凹部
を備えるように射出成形されるものであって、前記嵌着
用凹部の底部が、大部分に亘って平坦面で、且つ、成形
用金型のゲート跡に対応する残存突起があるように成形
され、その残存突起が、前記嵌着用凹部に嵌め込まれた
前記防滑用ゴムにて覆われているものである。
The synthetic resin molded body for pallet construction is provided with a loading board surface portion and legs connected to the lower side of the loading board surface portion, and is provided with an anti-slip rubber fitting recess on the upper surface side or the lower surface side of the loading board surface portion. Injection molding, wherein the bottom of the fitting recess is flat over most of the surface, and has a residual protrusion corresponding to the gate mark of the molding die, and the residual The protrusion is covered with the anti-slip rubber fitted in the fitting recess.

そして、その場合、防滑用ゴムの底部に、前記残存突
起が入り込む融通用凹部を形成するとよい。
Then, in that case, it is preferable to form an accommodation recess into which the residual protrusion is inserted at the bottom of the anti-slip rubber.

又、載荷用盤面部分、脚、及び、防滑用ゴムの嵌着用
凹部を備えるように射出成形される別のパレット構成用
の合成樹脂成形体は、前記嵌着用凹部の底部が、凹部入
口に向けて突出する棒状部を備え、且つ、その棒状部の
先端面に、成形用金型のゲート跡に対応する残存突起が
あるように成形され、前記防滑用ゴムが前記棒状部に外
嵌され、かつ、その上面部に、抜止め用突起の凹入部を
備えるものであり、前記棒状部の先端部が、加熱加工に
より前記抜止め用突起に形成されている。
Also, another synthetic resin molded body for pallet construction injection-molded so as to have a loading board surface portion, legs, and a slip-fitting rubber fitting recess is such that the bottom of the fitting recess faces the entrance of the recess. And a rod-shaped portion protruding from the rod-shaped portion, and the tip end surface of the rod-shaped portion is molded so that there is a residual protrusion corresponding to the gate mark of the molding die, and the anti-slip rubber is externally fitted to the rod-shaped portion, Further, the upper surface portion is provided with a recessed portion of the retaining projection, and the tip end portion of the rod-shaped portion is formed on the retaining projection by heating.

前記嵌着用凹部の底部が大部分に亘って平坦面となる
ように成形する成形装置は、成形用金型のゲートが、嵌
着用凹部の底面形成箇所に開口されている。
In the molding apparatus for molding so that the bottom of the fitting recess is a flat surface over most of the area, the gate of the molding die is opened at the bottom surface forming portion of the fitting recess.

又、前記嵌着用凹部の底部が棒状部を備えるように成
形する成形装置は、成形用金型のゲートが、棒状部の先
端面形成箇所に開口されている。
Further, in the molding apparatus that molds so that the bottom of the fitting recess has a rod-shaped portion, the gate of the molding die is opened at the tip surface forming portion of the rod-shaped portion.

〔作 用〕[Work]

すなわち、成形用金型のゲートを、嵌着用凹部の底部
の成形箇所に開口させて、パレット構成用の合成樹脂成
形体を成形する。
That is, the gate of the molding die is opened at the molding location on the bottom of the fitting recess to mold the synthetic resin molding for pallet construction.

そして、嵌着用凹部の底部を大部分に亘って平坦面に
成形する場合は、その底面にあるゲート跡に対応する残
存突起を防滑用ゴムにて覆うようにする。
When the bottom of the recess for fitting is formed over a large part over a flat surface, the remaining protrusions corresponding to the traces of the gate on the bottom surface are covered with the rubber for slip prevention.

その際、残存突起を、防滑用ゴムの底部に形成した融
通用凹部に入り込ませるようにする。
At that time, the residual protrusion is made to enter the accommodation recess formed in the bottom portion of the anti-slip rubber.

又、嵌着用凹部の底部に、棒状部を備えさせるよう成
形させる場合には、棒状部の先端面にあるゲート跡に対
応する残存突起が、加熱加工により、防滑用ゴムの抜止
め用突起を棒状体先端部に形成する際に無くなる。
Further, when the bottom of the fitting recess is molded to have a rod-shaped portion, the residual protrusion corresponding to the gate mark on the tip surface of the rod-shaped portion is heated to form a protrusion for preventing slippage of rubber. It disappears when it is formed on the tip of the rod.

〔発明の効果〕〔The invention's effect〕

請求項4又は5に記載の成形装置によって成形するこ
とによって、ゲート跡に対応する残存突起が、嵌着用凹
部の底面又は棒状部の先端面に形成されるものとなる。
By molding with the molding apparatus according to claim 4 or 5, the residual protrusion corresponding to the gate mark is formed on the bottom surface of the fitting recess or the tip end surface of the rod-shaped portion.

そして、その残存突起を、請求項1に記載のもので
は、防滑ゴムにて覆い、又、請求項3に記載のもので
は、防滑ゴムの取付けのために必要となる加工行程にて
無くすことができるから、いずれの合成樹脂成形体にお
いても、残存突起を特別な作業で除去する必要がなくな
り、生産能率の向上を図ることが可能となる。
The remaining protrusions may be covered with anti-slip rubber in the case of claim 1 or may be eliminated in the processing step required for attaching the anti-slip rubber in the case of claim 3. Therefore, in any of the synthetic resin moldings, it is not necessary to remove the residual protrusion by a special operation, and it is possible to improve the production efficiency.

尚、請求項2のものでは、第10図に示すように、嵌着
用凹部の底部に、凹入部を形成して、そこに残存突起が
あるようにするに較べて、成形用金型の形状の簡素化が
図れ、成形装置の簡素化を図る上において有利である。
According to the second aspect of the present invention, as shown in FIG. 10, the shape of the molding die is smaller than that of forming a recessed portion at the bottom of the fitting recess so that there is a residual protrusion. Can be simplified, which is advantageous in simplifying the molding apparatus.

〔実施例〕〔Example〕

以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below with reference to the drawings.

先ず、合成樹脂製パレットについて説明する。 First, a synthetic resin pallet will be described.

第3図乃至第7図に示すように、合成樹脂製パレット
は、合成樹脂にて一体成形したパレット構成用の合成樹
脂成形体(A)の2個を、熱溶着して構成されるもので
あり、又、4つの外周側壁部のうちで、対向して位置す
る2つの外周側壁部同士からなる2組の外周側壁部の一
方側に、フォーク差込口(1)を備えた、いわゆる二方
差し式に構成されている。
As shown in FIGS. 3 to 7, the synthetic resin pallet is formed by heat-welding two synthetic resin moldings (A) for pallet construction integrally molded with synthetic resin. Of the four outer peripheral side wall portions, a so-called two-sided outer peripheral side wall portion having two pairs of outer peripheral side wall portions facing each other is provided with a fork insertion port (1) on one side thereof. It is constructed in a side-by-side manner.

前記合成樹脂成形体(A)は、長尺状の補強材(2
a),(2b)を縦横格子状に組付けた補強体(2)が埋
込された方形状の載荷用盤面部分(3)と、その載荷用
盤面部分(3)の下方側に連なる複数個の脚(4A),
(4B),(4C)とを備え、且つ、載荷用盤面部分(3)
の上面側及び下面側の夫々に、防滑用ゴム(6),
(7)の嵌着用凹部(U)(第1図、第2図参照)を備
える状態に射出成形されるものである。
The synthetic resin molding (A) is a long reinforcing material (2
A rectangular loading board surface part (3) in which a reinforcing body (2) in which a) and (2b) are assembled in a vertical and horizontal lattice pattern is embedded, and a plurality of parts which are connected to the lower side of the loading board surface part (3) One leg (4A),
(4B), (4C) and loading board surface part (3)
The anti-slip rubber (6) on the upper surface side and the lower surface side of the
It is injection-molded into a state having the fitting recess (U) (7) (see FIGS. 1 and 2).

説明を加えると、第6図及び第7図にも示すように、
前記補強体(2)は、フォーク挿脱方向と直交する姿勢
で間隔を隔てて並ぶ6本の第1補強材(2a)と、フォー
ク挿脱方向に沿う姿勢で間隔を隔てて並ぶ4本の第2補
強材(2b)とからなり、両補強材(2a),(2b)は、各
交点部で溶接されている。
To add an explanation, as shown in FIGS. 6 and 7,
The reinforcement body (2) includes six first reinforcing members (2a) arranged at intervals in a posture orthogonal to the fork insertion / removal direction, and four first reinforcement members (2a) arranged at intervals in a posture along the fork insertion / removal direction. It consists of the second reinforcing material (2b), and both reinforcing materials (2a) and (2b) are welded at each intersection.

前記載荷用盤面部分(3)は、前記各脚(4A),(4
B),(4C)に対応する部分や第1、第2補強材(2
a),(2b)に対応する部分においては、必要に応じて
凹部を形成するものの、基本的には板状となるように形
成され、そして、その他の部分においては、平面視にて
傾斜姿勢のリブ(5)にてクロスメッシュ状に形成され
ている。
The above-mentioned loading board surface portion (3) includes the legs (4A), (4
B), the part corresponding to (4C) and the first and second reinforcements (2
The parts corresponding to (a) and (2b) are basically formed in a plate shape, although the recesses are formed if necessary, and in the other parts, they are inclined in plan view. The ribs (5) are formed in a cross mesh shape.

前記脚(4A),(4B),(4C)のうちには、フォーク
差込口(1)を備える外周側壁部を形成するための第1
脚(4A)と、フォーク差込口(1)が無い外周側壁部を
形成するための第2脚(4B)と、その第2脚(4B)と平
行な姿勢でパレット中央側箇所に設けられる補強用の第
3脚(4C)とがある。
In the legs (4A), (4B), (4C), a first outer wall portion having a fork insertion port (1) is formed.
The leg (4A), the second leg (4B) for forming the outer peripheral side wall portion without the fork insertion port (1), and the second leg (4B) are provided in a position parallel to the second leg (4B) at the center of the pallet. There is a third leg (4C) for reinforcement.

尚、第1脚(4A)は、中央の1個と左右の2個とから
なり、左右の2個が第2脚(4B)に接続され、中央の1
個が第3脚(4C)に接続されている。又、各脚(4A),
(4B),(4C)は、全体として見た場合には筒状を呈す
るものであり、そして、内部には、補強用の板状体
(8)の多数が配置されている。
The first leg (4A) consists of one in the center and two on the left and right, and two on the left and right are connected to the second leg (4B),
The individual is connected to the third leg (4C). Also, each leg (4A),
(4B) and (4C) have a tubular shape when viewed as a whole, and a large number of reinforcing plate-like bodies (8) are arranged inside.

前記載荷用盤面部分(3)の上面側の12個の嵌着用凹
部(U)には、荷物用の防滑用ゴム(6)が取付けられ
ることになり、載荷用盤面部分(3)の下面側の4個の
嵌着用凹部(U)には、フォーク用の防滑用ゴム(7)
が取付けられることになる。尚、フォーク用の防滑用ゴ
ム(7)の夫々は、荷物用の防滑用ゴム(6)に対向し
て位置する。
In the twelve fitting recesses (U) on the upper surface side of the loading board surface portion (3), rubber for slip prevention (6) for luggage is attached, and the lower surface side of the loading board surface portion (3). In the four fitting recesses (U) of, the anti-slip rubber for the fork (7)
Will be installed. Each of the anti-slip rubbers (7) for forks is located so as to face the anti-slip rubber (6) for luggage.

第1図及び第2図に示すように、前記上面側の嵌着用
凹部(U)の底部は、大部分に亘って平坦面となるよう
に、且つ、後述する成形装置における成形用金型(10)
のゲート跡に対応する残存突起(a)があるように成形
されている。又、前記下面側の嵌着用凹部(U)の底部
は、平坦面となるように成形されている。
As shown in FIG. 1 and FIG. 2, the bottom of the fitting recess (U) on the upper surface side is a flat surface over the most part, and the molding die ( Ten)
It is formed so that there is a residual protrusion (a) corresponding to the gate trace. Further, the bottom of the fitting recess (U) on the lower surface side is formed to be a flat surface.

前記荷物用の防滑用ゴム(6)の底部には、嵌着状態
において前記残存突起(a)が入り込む融通用凹部
(W)が形成されている。そして、荷物用の防滑用ゴム
(6)は、接着剤にて止着される状態で、嵌着用凹部
(U)に嵌着されている。
At the bottom of the anti-slip rubber (6) for luggage, there is formed a recess (W) for accommodation into which the residual protrusion (a) enters in the fitted state. The anti-slip rubber (6) for luggage is fitted in the fitting recess (U) while being fixed by an adhesive.

又、フォーク用の防滑用ゴム(7)は、接着剤にて止
着される状態で、嵌着用凹部(U)に嵌着されている。
The anti-slip rubber (7) for the fork is fitted in the fitting recess (U) while being fixed by an adhesive.

次に、上述の合成樹脂成形体(A)を射出成形する成
形装置について説明する。
Next, a molding apparatus for injection molding the above-mentioned synthetic resin molded body (A) will be described.

第8図に示すように、成形装置は、融通樹脂を射出す
る射出機(9)、その射出機(9)に固定された固定側
の成形用金型(10)、及び、流体シリンダ(11)によっ
て移動操作される可動側の成形用金型(12)を備えてい
る。そして、両金型(10),(12)の間に、成形用キャ
ビティが形成され、又、固定側の成形用金型(10)に
は、融通樹脂射出用のゲート(G)が、前記上面側の嵌
着用凹部(U)の底面の成形箇所に開口される状態で形
成されている。
As shown in FIG. 8, the molding apparatus includes an injection machine (9) for injecting a flexible resin, a fixed mold (10) fixed to the injection machine (9), and a fluid cylinder (11). ) Is provided with a movable molding die (12). A molding cavity is formed between the two molds (10) and (12), and a flexible resin injection gate (G) is formed in the fixed molding mold (10). It is formed in a state where it is opened to a molding portion on the bottom surface of the fitting recess (U) on the upper surface side.

説明を加えると、固定側の成形用金型(10)は、合成
樹脂成形体(A)の上面側に対応し、可動側の成形用金
型(12)は、合成樹脂成形体(A)の下面側に対応する
ものであり、ゲート跡に対応する残存突起(a)を、上
面側の嵌着用凹部(U)の底部に形成するようになって
いる。
In addition, the fixed molding die (10) corresponds to the upper surface side of the synthetic resin molding (A), and the movable molding die (12) is the synthetic resin molding (A). The bottom surface of the fitting recess (U) on the upper surface has a residual protrusion (a) corresponding to the bottom of the gate.

但し、第8図においては、両成形用金型(10),(1
2)を、合成樹脂成形体(A)の外形に合わせて記載す
ることによって、略示してある。
However, in FIG. 8, both molding dies (10), (1
2) is schematically shown by describing it according to the outer shape of the synthetic resin molded body (A).

尚、固定側の成形用金型(10)には、補強体(2)の
仮止め用のピン(14)が、上下方向又は左右方向に出退
操作自在に備えられ、又、両金型(10),(12)には、
補強体(2)を挾持する位置決め用のピン(15),(1
6)が、可動側の成形用金型(12)の移動方向に沿って
出退自在に設けられている。すなわち、補強体(2)
は、固定側の成形用金型(10)に装填された際には、仮
止め用のピン(14)にて保持され、そして、射出成形さ
れる際には、位置決め用のピン(15),(16)にて挾持
されるようになっている。
The fixed-side molding die (10) is provided with a pin (14) for temporarily fixing the reinforcing body (2) so as to be capable of moving in and out vertically or horizontally. (10), (12),
Positioning pins (15), (1 for holding the reinforcement (2)
6) is provided so as to be able to move back and forth along the moving direction of the movable molding die (12). That is, the reinforcing body (2)
Is held by a temporary fixing pin (14) when it is loaded in the fixed molding die (10), and is positioned by a positioning pin (15) when injection-molded. , (16).

〔別実施例〕[Another embodiment]

第9図(イ),(ロ)に示すように、嵌着用の凹部
(U)の底部を、凹部入口側に向けて突出する棒状部
(17)を備え、且つ、その棒状部(17)の先端面に、成
形用金型(10)のゲート跡に対応する残存突起(a)が
あるように成形してもよい。
As shown in FIGS. 9 (a) and 9 (b), the bottom portion of the recess (U) for fitting is provided with a rod-shaped portion (17) protruding toward the inlet side of the recess, and the rod-shaped portion (17). Molding may be performed so that the tip end surface of the mold has a residual protrusion (a) corresponding to the mark of the gate of the molding die (10).

この場合、成形装置は、成形用金型(10)のゲート
(G)が、前記棒状部(17)の先端面の成形箇所に開口
するように構成されることになる。
In this case, the molding apparatus is configured such that the gate (G) of the molding die (10) opens at the molding location on the tip surface of the rod-shaped portion (17).

さらに、前記棒状部(17)がある場合の防滑用ゴム
(6)の取付構造は、棒状部(17)に防滑用ゴム(6)
を外嵌させた状態において、棒状部(17)の先端に、加
熱加工により、横側方に突出する抜止め用の係止突起
(17a)を形成させることになる。ちなみに、この取付
構造においては、防滑用ゴム(6)に、棒状部(17)が
貫通する貫通孔(S1)や、上面部に、係止突起(17a)
の凹入部(S2)を形成しておくことになる。
Further, the attachment structure of the anti-slip rubber (6) when the rod-shaped portion (17) is present is such that the anti-slip rubber (6) is attached to the rod-shaped portion (17).
In the externally fitted state, the retaining projection (17a) for laterally protruding is formed at the tip of the rod-shaped part (17) by heating. By the way, in this mounting structure, the anti-slip rubber (6) has a through hole (S 1 ) through which the rod-shaped part (17) penetrates, and a locking projection (17a) on the upper surface part.
The recessed part (S 2 ) will be formed.

第10図に示すように、嵌着用凹部(U)の底部を、中
央側に凹入部(Z)があり、かつ、そこに残存突起
(a)があるように成形してもよい。その場合、防滑用
ゴム(6)の底部は、平坦面でよい。
As shown in FIG. 10, the bottom portion of the fitting recess (U) may be molded so that the recessed portion (Z) is located on the center side and the residual protrusion (a) is located there. In that case, the bottom of the anti-slip rubber (6) may be a flat surface.

又、本発明は、載荷用盤面部分(3)の下面側から樹
脂を射出する場合には、下面側の嵌着用凹部(U)に対
応して実施してもよい。
Further, in the case where the resin is injected from the lower surface side of the loading board surface portion (3), the present invention may be implemented corresponding to the fitting recess (U) on the lower surface side.

さらに、本発明は、載荷用盤面部分(3)や脚(4
A),(4B),(4C)の形状等が異なる各種の合成樹脂
成形体(A)に適用でき、そして、成形装置は、合成樹
脂成形体(A)の構成に合わせて変更されるものであ
る。
Furthermore, the present invention is directed to the loading board surface portion (3) and the legs (4).
A), (4B), (4C) can be applied to various synthetic resin moldings (A) having different shapes, and the molding apparatus can be changed according to the configuration of the synthetic resin molding (A). Is.

尚、特許請求の範囲の項に図面との対照を便利にする
為に符号を記すが、該記入により本発明は添付図面の構
造に限定されるものではない。
It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

【図面の簡単な説明】[Brief description of drawings]

第1図及び第2図は防滑用ゴムの取付部の縦断面図、第
3図はパレットの平面図、第4図はパレットの正面図、
第5図は合成樹脂成形体の脚の横断平面図、第6図は補
強体の平面図、第7図は同正面図、第8図は成形装置の
一部切欠き概略正面図、第9図(イ),(ロ)及び第10
図は別の実施例の断面図である。 (3)……盤面部分、(4A),(4B),(4C)……脚、
(6),(7)……防滑用ゴム、(10)……成形用金
型、(17)……棒状部、(17a)……抜止め用突起、
(a)……残存突起、(G)……ゲート、(S2)……凹
入部、(U)……嵌着用凹部、(W)……融通用凹部。
1 and 2 are vertical cross-sectional views of the attachment portion of the anti-slip rubber, FIG. 3 is a plan view of the pallet, and FIG. 4 is a front view of the pallet.
FIG. 5 is a cross-sectional plan view of legs of a synthetic resin molded body, FIG. 6 is a plan view of a reinforcing body, FIG. 7 is a front view of the same, and FIG. 8 is a partially cutaway schematic front view of a molding device. Figures (a), (b) and 10th
The figure is a cross-sectional view of another embodiment. (3) …… Board surface, (4A), (4B), (4C) …… Legs,
(6), (7) ... Anti-slip rubber, (10) ... Mold for molding, (17) ... Rod-shaped part, (17a) ... Projection for retaining,
(A) ...... remaining projections, (G) ...... gate, (S 2) ...... recess, (U) ...... for fitting recess, (W) ...... flexible recesses.

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】載荷用盤面部分(3)とそれの下方側に連
なる脚(4A),(4B),(4C)とを備え、且つ、前記載
荷用盤面部分(3)の上面側又は下面側に防滑用ゴム
(6又は7)の嵌着用凹部(U)を備えるように射出成
形されるパレット構成用の合成樹脂成形体であって、前
記嵌着用凹部(U)の底部が、大部分に亘って平坦面
で、且つ、成形用金型(10)のゲート跡に対応する残存
突起(a)があるように成形され、その残存突起(a)
が、前記嵌着用凹部(U)に嵌め込まれた前記防滑用ゴ
ム(6)にて覆われているパレット構成用の合成樹脂成
形体。
1. A loading board surface portion (3) and legs (4A), (4B), (4C) connected to the lower side thereof, and an upper surface side or a lower surface of the loading board surface portion (3). A synthetic resin molded body for a pallet structure which is injection-molded so as to have a fitting recess (U) of a rubber (6 or 7) for anti-slip on the side, and the bottom of the fitting recess (U) is mostly The remaining protrusion (a) is formed so that it has a flat surface over the entire surface and has a remaining protrusion (a) corresponding to the gate mark of the molding die (10).
Is a synthetic resin molded body for pallet construction which is covered with the anti-slip rubber (6) fitted in the fitting recess (U).
【請求項2】前記防滑用ゴム(6)の底部に、前記残存
突起(a)が入り込む融通用凹部(W)が形成されてい
る請求項1記載のパレット構成用の合成樹脂成形体。
2. The synthetic resin molded product for pallet construction according to claim 1, wherein a flexible recess (W) into which the residual protrusion (a) is inserted is formed at the bottom of the anti-slip rubber (6).
【請求項3】載荷用盤面部分(3)とそれの下方側に連
なる脚(4A),(4B),(4C)とを備え、且つ、前記載
荷用盤面部分(3)の上面側又は下面側に防滑用ゴム
(6又は7)の嵌着用凹部(U)を備えるように射出成
形されるパレット構成用の合成樹脂成形体であって、前
記嵌着用凹部(U)の底部が、凹部入口側に向けて突出
する棒状部(17)を備え、且つ、その棒状部(17)の先
端面に、成形用金型(10)のゲート跡に対応する残存突
起(a)があるように成形され、前記防滑用ゴム(6)
が、前記棒状部(17)に外嵌され、且つ、その上面部
に、抜止め用突起(17a)の凹入部(S2)を備えるもの
であり、前記棒状部(17)の先端部が、加熱加工により
前記抜止め用突起(17a)に形成されているパレット構
成用の合成樹脂成形体。
3. A loading board surface portion (3) and legs (4A), (4B), (4C) connected to the lower side thereof, and an upper surface side or a lower surface of the loading board surface portion (3). A synthetic resin molded product for pallet construction, which is injection-molded so as to have a fitting recess (U) of a rubber (6 or 7) for anti-slip on the side, wherein the bottom of the fitting recess (U) is a recess inlet. Molded so as to have a rod-shaped portion (17) protruding toward the side, and a residual protrusion (a) corresponding to the gate mark of the molding die (10) on the tip surface of the rod-shaped portion (17). Anti-slip rubber (6)
Is externally fitted to the rod-shaped portion (17) and has a recessed portion (S 2 ) of the retaining projection (17a) on the upper surface thereof, and the tip portion of the rod-shaped portion (17) is , A synthetic resin molded body for pallet construction which is formed on the retaining projection (17a) by heating.
【請求項4】成形用金型(10)のゲート(G)が、請求
項1記載の嵌着用凹部(U)の底面形成箇所に開口され
ているパレット構成用の合成樹脂成形体の成形装置。
4. A molding machine for a synthetic resin molded body for pallet construction, wherein the gate (G) of the molding die (10) is opened at the bottom surface forming location of the fitting recess (U) according to claim 1. .
【請求項5】成形用金型(10)のゲート(G)が、請求
項3記載の棒状部(17)の先端面形成箇所に開口されて
いるパレット構成用の合成樹脂成形体の成形装置。
5. A molding machine for a synthetic resin molded body for pallet construction, wherein a gate (G) of a molding die (10) is opened at a tip surface forming portion of a rod-shaped part (17) according to claim 3. .
JP63089332A 1988-04-12 1988-04-12 Synthetic resin molding for pallet construction and molding apparatus therefor Expired - Fee Related JPH0818619B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63089332A JPH0818619B2 (en) 1988-04-12 1988-04-12 Synthetic resin molding for pallet construction and molding apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63089332A JPH0818619B2 (en) 1988-04-12 1988-04-12 Synthetic resin molding for pallet construction and molding apparatus therefor

Publications (2)

Publication Number Publication Date
JPH01267158A JPH01267158A (en) 1989-10-25
JPH0818619B2 true JPH0818619B2 (en) 1996-02-28

Family

ID=13967730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63089332A Expired - Fee Related JPH0818619B2 (en) 1988-04-12 1988-04-12 Synthetic resin molding for pallet construction and molding apparatus therefor

Country Status (1)

Country Link
JP (1) JPH0818619B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2782932B2 (en) * 1990-08-31 1998-08-06 三菱化学株式会社 Plastic pallets
JP4651829B2 (en) * 2001-02-26 2011-03-16 三甲株式会社 Plastic pallet

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154634U (en) * 1981-03-24 1982-09-28
JPS57104558A (en) * 1981-10-13 1982-06-29 Daifuku Machinery Works Pallet made of synthetic resin

Also Published As

Publication number Publication date
JPH01267158A (en) 1989-10-25

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