JPH0375700B2 - - Google Patents
Info
- Publication number
- JPH0375700B2 JPH0375700B2 JP12401284A JP12401284A JPH0375700B2 JP H0375700 B2 JPH0375700 B2 JP H0375700B2 JP 12401284 A JP12401284 A JP 12401284A JP 12401284 A JP12401284 A JP 12401284A JP H0375700 B2 JPH0375700 B2 JP H0375700B2
- Authority
- JP
- Japan
- Prior art keywords
- side wall
- male
- foam
- main body
- plastic foam
- 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
Links
- 239000000463 material Substances 0.000 claims description 45
- 239000006260 foam Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000002984 plastic foam Substances 0.000 claims description 7
- 239000003063 flame retardant Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 3
- 238000004079 fireproofing Methods 0.000 description 3
- 229920000582 polyisocyanurate Polymers 0.000 description 3
- 239000011495 polyisocyanurate Substances 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002323 Silicone foam Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000013514 silicone foam Substances 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Finishing Walls (AREA)
- Building Environments (AREA)
Description
【発明の詳細な説明】
本発明は金属薄板からなる表面材と防火性を有
するシート状物からなる裏面材間に防火性を有す
るプラスチツクフオームを一体に介在させ、準不
燃試験（表面試験、ボツクス試験）、防火構造試
験に合格できると共に、軽量にして断熱性、生産
性に富むサイデイングボード（以下、単にボード
という）に関するものである。
従来から使用されているこの種ボードは金属薄
板を凹状に成形した表面材の左右側壁に雄、雌型
連結部を形成し、その裏面にポリウレタンフオー
ム、ポリイソシアヌレートフオーム、フエノール
フオーム等を充填し、その露出面をシート状物か
らなる裏面材で被覆した構造となつている。しか
しながら、この種ボードでは準不燃試験（JIS−
Ａ−1321）における表面試験には合格するが、ボ
ツクス試験、防火試験（JIS−Ａ−1301木造下地
２級）には合格できない欠点があつた。それは、
ボツクス試験においてフラツシユオーバすること
と、防火試験において裏面温度が260℃以上にな
ることであつた。特にボツクス試験では目地部か
らの可燃ガスの噴出、防火試験では目地部裏面の
温度上昇が最大の弱点となつていた。
本発明はこのような欠点を除去するため、ボー
ドの目地部を表面材同士が確実に接触すると共
に、目地部からのガス噴出を抑制し、かつ、プラ
スチツクフオーム、裏面材を防火性を有する材質
で構成することによつて準不燃試験、防火試験に
合格しうるボードを提案するものである。
以下に、図面を用いて本発明に係るボードの一
実施例について詳細に説明する。第１図は上記ボ
ードの一例を示す斜視図であり、１は表面材で金
属薄板、例えば表面処理鋼板、ステンレス板、ガ
ルフアン、ガルバリウム鋼板、アルミニウム板、
銅板、塩ビ鋼板、フツソ処理鋼板、ホウロウ鋼
板、制振鋼板の１種からなり、１５はプラスチツ
クフオーム（以下、単にフオームという）、１６
は裏面材である。さらに説明すると、表面材１は
第２図に示すように長尺状の化粧面２とその長手
方向と平行な両側縁を内方に屈曲した側壁３，４
とから断面凹状に形成した主体部５と側壁３，４
の下端に形成した雄、雌型連結部６，９とから構
成したものであり、主に防火材、化粧材、補強
材、型材、不燃材、防水材として機能するもので
ある。すなわち、化粧面２は平板、エンボス模
様、チツプを貼着した表面構造としたものであ
る。また、雄型連結部６は側壁３の下端を外側方
へ延ばした差込縁７とその先端を内方へ折り返
し、そのまま側壁３よりも内側まで延長した補強
片８と、その先端を外方へ２回屈曲してＵ状に形
成した仕切り片８ａとから中空部８ｂを形成し、
第３図に示すようにボードＡを連結した際の目地
部Ｂからの可燃ガス、分解ガスの化粧面２側への
噴出を防止すると共に、連結構造、防火構造に対
する補強、およびフオーム形成時の型材としても
機能するものである。さらに、雌型連結部９は側
壁４の下端を内方へＵ字状に屈曲した差込溝１０
とその下縁１１を外側方へ穿設した延長部１２と
その先端を外方へ屈曲した舌片１３と延長部１２
の途中に側壁４と平行に形成した突条１４とから
構成したものである。特に、差込溝１０、舌片１
３、突条１４の寸法はボードＡ間の連結、目地部
Ｂの間隔、防火、防水の関係で設定されるもので
ある。なお、表面材１の寸法は、例えば化粧面２
の幅をW1、差込縁７の幅をW2、補強片８の幅を
W3、補強片８の側壁３から内側へ延びた幅を
W4、側壁４から舌片１３までの幅をW5、差込溝
１０の幅をW6、差込溝１０の最奥から舌片１３
までの幅をW7、中空部８ｂの幅をW8、側壁３の
高さをh1、側壁４の高さをh2、差込溝１０の高さ
をh3、舌片１３、突条１４の高さをh4，h5、中空
部８ｂの高さをh6、表面材１の板厚をｔとしたと
き、W1＝180〜450mm、W2≧W6、W3≒W2＋W4、
W5＝W3−W6、またはW5≒W6、W7≒W2＋W4、
W8＝５〜20mm、h1＝h2、h2＋h3＝h1＋h3、h4、h5
＝１〜３mm、h6≒２〜５mmである。また、フオー
ム１５は防火性、断熱性、接着性を有するもの
で、例えばポリイソシアヌレートフオーム、フエ
ノールフオーム、シリコンフオーム、変性ポリウ
レタンフオーム、およびこれらに長短のガラス繊
維、シリコン、パーライト、雲母、アスベスト、
炭素繊維、硼砂等の１種以上を添加したものであ
り、、主体部５の空間に充填した芯材部１５ａお
よび補強片、延長部１２よりも下方へ膨出した膨
出部１５ｂとから一体に構成したものである。な
お、膨出部１５ｂは便宜上、区分したものであ
り、実質は一体物からなるものである。また、フ
オーム１５の厚さは最厚部をH1、補強片８の表
面から裏面までの厚さをH2、化粧面２の裏面か
ら下縁までの厚さをH3、延長部１２の裏面から
裏面までの厚さをH4、裏面材１６から中空部８
ｂの下面までの厚さH5、補強片８と化粧面２間
の厚さをH6、側壁３から切り欠き部１７の側壁
までの幅をW9とすると、H1＝H3＋H4、H2＝H1
−h1、H2＞H4、H1＝H6＋h6＋H5、H5＜H6、
W9＝W3−W2である。裏面材１６はフオーム１
５の露出面を被膜すると共に、主に離型材、型
材、防火材、防水材、遮熱材、ガス漏洩防止用の
不通気材として機能せしめるものである。その具
体例としてはアスベスト紙、ガラス繊維シート、
塩化ビニールシート、金属箔（Al、Fe、Cu）の
１種、または２種以上、これにネツト状物、防水
処理、防火処理を付加したシート状物からなるも
のである。
次に実施例につき説明する。
表面材１は0.27mmのカラー鋼板でW1＝360mm、
W2＝20mm、W3＝34mm、W4≒11mm、W5＝20mm、
W6＝13mm、W7＝33mm、h1＝８mm、h2＝７mm、h3
＝3.5mm、h4＝２mm、h5＝２mm、h6＝５mm、フオ
ーム１５はH1＝25mm、H2＝15mm、H3＝10mm、
H4＝15mmとし、フオーム１５は原料状態で表面
材１に吐出してモールデングしたポリイソシアヌ
レートフオーム（密度50Kg／cm3）、日本ポリウレ
タン社製、裏面材１６はアスベスト紙に20ミクロ
ンのアルミニウム箔をラミネートしたものであ
る。また、ボードＡ間の目地部Ｂの幅Δtは７mm
としたものである。また、比較例としては表面材
１において、補強片８を除いた以外、第２図と同
じ寸法のものを用いたボードからなるものであ
る。
そこで、両ボードに対して表面試験、ボツクス
試験、防火試験を行なつたところ下記のような結
果になつた。
【表】
【表】
以上説明したのは本発明に係るボードの一実施
例にすぎず、第４図ａ〜ｆ、第５図ａ〜ｃに示す
ように形成することができる。なお、第４図にお
いて、１８はコーキング材、第５図において１９
はシート状物である。
上述したように本発明に係るボードによれば、
フオームを用いたボードにおいて準不燃試験、ボ
ツクス試験、防火試験に合格しうる特徴がある。
また、製造は従前とほぼ同じであり、フオームも
単一品か、それに近いものであり、大量に生産で
きる特徴がある。さらに、断熱性、強度、耐食性
は従前より大きく改善された割りにはコストアツ
プもない利点がある。 DETAILED DESCRIPTION OF THE INVENTION The present invention integrates a fire-retardant plastic foam between a surface material made of a thin metal plate and a back material made of a fire-retardant sheet material. The present invention relates to a siding board (hereinafter simply referred to as "board") that can pass the fireproof structure test (examination) and is lightweight, heat-insulating, and highly productive. This kind of board, which has been conventionally used, has a surface material made of a thin metal plate formed into a concave shape, with male and female connecting parts formed on the left and right side walls, and the back side of these parts is filled with polyurethane foam, polyisocyanurate foam, phenol foam, etc. The structure is such that the exposed surface is covered with a backing material made of a sheet-like material. However, this type of board is subject to semi-flammability test (JIS-
Although it passed the surface test in A-1321), it had a drawback that it could not pass the box test and fire protection test (JIS-A-1301 wooden base grade 2). it is,
Flashover occurred in the box test, and the backside temperature exceeded 260°C in the fire protection test. In particular, the biggest weaknesses in the box tests were the ejection of flammable gas from the joints, and in the fire protection tests, the temperature rise on the back side of the joints. In order to eliminate these drawbacks, the present invention aims to ensure that the surface materials at the joints of the board are in contact with each other, to suppress gas ejection from the joints, and to make the plastic foam and backing material of fire-retardant materials. This paper proposes a board that can pass quasi-incombustibility tests and fire protection tests by configuring the following. An embodiment of the board according to the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view showing an example of the above-mentioned board, and 1 is a surface material such as a thin metal plate, such as a surface-treated steel plate, a stainless steel plate, a galvanized steel plate, an aluminum plate, or a galvanized steel plate.
Consisting of one type of copper plate, PVC steel plate, futsu-treated steel plate, enameled steel plate, and damping steel plate, 15 is plastic foam (hereinafter simply referred to as foam), 16
is the back material. To explain further, the surface material 1 includes a long decorative surface 2 and side walls 3 and 4 whose both side edges parallel to the longitudinal direction are bent inward, as shown in FIG.
A main body portion 5 and side walls 3, 4 formed with a concave cross section.
It is composed of male and female connecting parts 6 and 9 formed at the lower end of the pipe, and mainly functions as a fireproofing material, a decorative material, a reinforcing material, a molding material, a noncombustible material, and a waterproofing material. That is, the decorative surface 2 has a surface structure such as a flat plate, an embossed pattern, or a chip attached thereto. In addition, the male connecting portion 6 includes an insertion edge 7 extending the lower end of the side wall 3 outward, a reinforcing piece 8 whose tip is folded back inward, and extending to the inside of the side wall 3, and a reinforcing piece 8 whose tip extends outward. A hollow part 8b is formed from a partition piece 8a which is bent twice to form a U-shape,
As shown in Fig. 3, it prevents flammable gas and decomposed gas from blowing out to the decorative surface 2 side from the joint B when boards A are connected, and also provides reinforcement for the connection structure and fire protection structure, and when forming the form. It also functions as a mold material. Further, the female connecting portion 9 has an insertion groove 10 formed by bending the lower end of the side wall 4 inward in a U-shape.
, an extension part 12 whose lower edge 11 is perforated outward, a tongue piece 13 whose tip is bent outward, and the extension part 12
It consists of a protrusion 14 formed in parallel with the side wall 4 in the middle. In particular, the insertion groove 10 and the tongue piece 1
3. The dimensions of the protrusions 14 are determined based on the connection between the boards A, the spacing between the joints B, and fire prevention and waterproofing. Note that the dimensions of the surface material 1 are, for example, those of the decorative surface 2.
W 1 is the width of the insertion edge 7, W 2 is the width of the reinforcing piece 8, and W 2 is the width of the insertion edge 7.
W 3 is the width extending inward from the side wall 3 of the reinforcing piece 8.
W 4 , the width from the side wall 4 to the tongue piece 13 is W 5 , the width of the insertion groove 10 is W 6 , the tongue piece 13 from the deepest part of the insertion groove 10
The width of the hollow part 8b is W 7 , the height of the side wall 3 is h 1 , the height of the side wall 4 is h 2 , the height of the insertion groove 10 is h 3 , the tongue piece 13 and the protrusion When the heights of the strips 14 are h 4 and h 5 , the height of the hollow portion 8b is h 6 , and the thickness of the surface material 1 is t, W 1 =180 to 450 mm, W 2 ≧W 6 , W 3 ≒ W 2 + W 4 ,
W 5 = W 3 − W 6 , or W 5 ≒ W 6 , W 7 ≒ W 2 + W 4 ,
W8 =5~20mm, h1 = h2 , h2 + h3 = h1 + h3 , h4 , h5
= 1 to 3 mm, h 6 ≒ 2 to 5 mm. The foam 15 has fire retardant properties, heat insulating properties, and adhesive properties, such as polyisocyanurate foam, phenol foam, silicone foam, modified polyurethane foam, and in addition to these, long and short glass fibers, silicone, pearlite, mica, asbestos,
It is made by adding one or more types of carbon fiber, borax, etc., and is integrated with a core part 15a filled in the space of the main body part 5 , a reinforcing piece, and a bulging part 15b bulging downward from the extension part 12. It is composed of Note that the bulging portion 15b is divided into sections for convenience, and is actually made of one piece. The thickness of the form 15 is H 1 at the thickest part, H 2 from the front surface to the back surface of the reinforcing piece 8, H 3 from the back surface to the lower edge of the decorative surface 2, and H 3 from the back surface of the decorative surface 2 to the lower edge. The thickness from the back side to the back side is H 4 , from the back material 16 to the hollow part 8
Assuming that the thickness to the lower surface of b is H 5 , the thickness between the reinforcing piece 8 and the decorative surface 2 is H 6 , and the width from the side wall 3 to the side wall of the notch 17 is W 9 , H 1 = H 3 + H 4 , H 2 = H 1
-h 1 , H 2 > H 4 , H 1 = H 6 + h 6 + H 5 , H 5 < H 6 ,
W9 = W3 − W2 . Back material 16 is form 1
The exposed surface of No. 5 is coated with a film, and it mainly functions as a mold release material, a mold material, a fireproofing material, a waterproofing material, a heat shielding material, and an impermeable material for preventing gas leakage. Specific examples include asbestos paper, glass fiber sheets,
It consists of a sheet-like material that includes one or more of vinyl chloride sheets, metal foils (Al, Fe, Cu), and a net-like material, waterproofing treatment, and fireproofing treatment. Next, an example will be explained. Surface material 1 is a 0.27mm color steel plate, W 1 = 360mm,
W 2 = 20mm, W 3 = 34mm, W 4 ≒ 11mm, W 5 = 20mm,
W 6 = 13mm, W 7 = 33mm, h 1 = 8mm, h 2 = 7mm, h 3
= 3.5mm, h 4 = 2mm, h 5 = 2mm, h 6 = 5mm, Form 15 has H 1 = 25mm, H 2 = 15mm, H 3 = 10mm,
H 4 = 15 mm, the foam 15 is a polyisocyanurate foam (density 50 kg/cm 3 ) that was discharged and molded onto the surface material 1 as a raw material, manufactured by Nippon Polyurethane Co., Ltd., and the back material 16 is a 20 micron aluminum film on asbestos paper. It is laminated with foil. Also, the width Δt of the joint B between the boards A is 7 mm.
That is. Further, as a comparative example , a board was used in which the same dimensions as in FIG. 2 were used for the surface material 1 except that the reinforcing piece 8 was omitted. Therefore, we conducted surface tests, box tests, and fire protection tests on both boards, and the following results were obtained. [Table] [Table] What has been described above is only one embodiment of the board according to the present invention, and the board can be formed as shown in FIGS. 4 a to 5 f and 5 a to c. In addition, in Fig. 4, 18 is a caulking material, and in Fig. 5, 19 is a caulking material.
is a sheet-like material. As described above, according to the board according to the present invention,
Boards using the foam have the characteristics of being able to pass quasi-inflammability tests, box tests, and fire protection tests.
In addition, manufacturing is almost the same as before, the form is either a single item, or something close to it, and it has the characteristics of being able to be produced in large quantities. Furthermore, the heat insulation properties, strength, and corrosion resistance are greatly improved compared to before, and there is no cost increase.
第１図は本発明に係るサイデイングボードの一
例を示す斜視図、第２図はその要部である表面材
を示す斜視図、第３図は上記ボードの連結状態を
示す説明図、第４図ａ〜ｆは表面材のその他の実
施例を示す断面図、第５図ａ〜ｃはサイデイング
ボードのその他の実施例を示す説明図である。
１…表面材、１５…プラスチツクフオーム、１
６…裏面材。
Fig. 1 is a perspective view showing an example of the siding board according to the present invention, Fig. 2 is a perspective view showing the surface material which is the main part, Fig. 3 is an explanatory view showing the connected state of the board, Fig. 4 5A to 5F are cross-sectional views showing other examples of the surface material, and FIGS. 5A to 5C are explanatory views showing other examples of the siding board. 1 ... Surface material, 15... Plastic foam, 1
6... Back material.
Claims (1)
な両側縁を内方に屈曲した側壁とから断面凹状に
形成した主体部と、上記側壁の両側壁下端に形成
した雄、雌型連結部とからなる表面材と、上記表
面材の主体部、および雄、雌型連結部から下方に
膨出させて一体に充填したプラスチツクフオーム
と、該フオームの露出面をシート状物からなる裏
面材で被覆したサイデイングボードにおいて、前
記雄型連結部は前記側壁の１つの下端を外側方へ
突出した差込縁と、該差込縁の先端を内方へ折り
返して前記プラスチツクフオームの一側壁上端ま
で延ばした補強片と、その先端を外方へ状に屈
曲した仕切り片とから中空部を形成し、また雌型
連結部は前記主体の他側壁下端を内方へＵ字状に
屈曲して上記雄型連結部を嵌挿する係合溝とその
下端を外側方へ水平に突出した延長部とその途中
に前記側壁と平行に穿設した突条と前記延長部の
先端を外方へ屈曲した舌片とから構成し、かつ、
前記裏面材は防火性を有するシート状物で形成し
たことを特徴とするサイデイングボード。1. A main body formed with a concave cross section from an elongated decorative surface and a side wall with both side edges parallel to the longitudinal direction of the decorative surface bent inward, and male and female molds formed at the lower ends of both sides of the side wall. A surface material consisting of a connecting portion, a plastic foam integrally filled by bulging downward from the main body of the surface material and the male and female connecting portions, and a back surface consisting of a sheet-like material, the exposed surface of the foam being integrally filled. In the siding board covered with plastic foam, the male connecting portion includes an insertion edge that protrudes outward from the lower end of one of the side walls, and a tip of the insertion edge that is folded inward to connect to the upper end of one side wall of the plastic foam. A hollow portion is formed by a reinforcing piece that is extended to 100 degrees, and a partition piece whose tip is bent outward, and the female connecting portion is formed by bending the lower end of the other side wall of the main body inward in a U-shape. An engagement groove into which the male connecting part is inserted, an extension whose lower end protrudes outward horizontally, a protrusion bored parallel to the side wall in the middle, and a tip of the extension bent outward. consisting of a tongue piece, and
A siding board characterized in that the backing material is formed of a sheet-like material having fire retardant properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12401284A JPS615164A (en) | 1984-06-16 | 1984-06-16 | Siding board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12401284A JPS615164A (en) | 1984-06-16 | 1984-06-16 | Siding board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS615164A JPS615164A (en) | 1986-01-10 |
| JPH0375700B2 true JPH0375700B2 (en) | 1991-12-03 |
Family
ID=14874838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12401284A Granted JPS615164A (en) | 1984-06-16 | 1984-06-16 | Siding board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS615164A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2687653B2 (en) * | 1989-03-01 | 1997-12-08 | 松下電器産業株式会社 | Reference voltage generation circuit |
-
1984
- 1984-06-16 JP JP12401284A patent/JPS615164A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS615164A (en) | 1986-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |