JPS5729242B2 - - Google Patents

Info

Publication number: JPS5729242B2
Authority: JP; Japan
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

Application number

JP7074074A

Other languages

Japanese (ja)

Other versions

JPS5076680A (en

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.)

1973-06-20

Filing date

1974-06-20

Publication date

1982-06-22

1973-06-20 Priority claimed from DE19732331467 external-priority patent/DE2331467B2/en

1973-09-25 Priority claimed from DE19732348211 external-priority patent/DE2348211C2/en

1973-10-30 Priority claimed from DE19732354229 external-priority patent/DE2354229C2/en

1974-06-20 Application filed filed Critical

1975-06-23 Publication of JPS5076680A publication Critical patent/JPS5076680A/ja

1982-06-22 Publication of JPS5729242B2 publication Critical patent/JPS5729242B2/ja

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0018—Drills for enlarging a hole
- B23B51/0045—Drills for enlarging a hole by expanding or tilting the toolhead

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Earth Drilling (AREA)
Processing Of Stones Or Stones Resemblance Materials (AREA)
Drilling And Boring (AREA)

JP7074074A 1973-06-20 1974-06-20 Expired JPS5729242B2 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE19732331467 DE2331467B2 (en)	1973-06-20	1973-06-20	Device for boring a bore with a cylindrical and a conical area
DE19732348211 DE2348211C2 (en)	1973-09-25	1973-09-25	Drilling tool
DE19732354229 DE2354229C2 (en)	1973-10-30	1973-10-30	Drilling tool for producing a borehole that widens along a section in the drilling direction

Publications (2)

Publication Number	Publication Date
JPS5076680A JPS5076680A (en)	1975-06-23
JPS5729242B2 true JPS5729242B2 (en)	1982-06-22

Family

ID=27185347

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP7074074A Expired JPS5729242B2 (en)	1973-06-20	1974-06-20

Country Status (5)

Country	Link
JP (1)	JPS5729242B2 (en)
AT (1)	AT332099B (en)
CH (1)	CH579207A5 (en)
FR (1)	FR2234079B3 (en)
GB (1)	GB1434173A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS562761U (en) *	1979-06-20	1981-01-12
AU6420980A (en) *	1979-11-19	1981-05-28	Lategan, L.H.	Anchoring of roof bolts
EP0034658A1 (en) *	1980-02-23	1981-09-02	Fischerwerke Arthur Fischer GmbH & Co. KG	Drill unit for the production of undercut holes
JPS5757614A (en) *	1980-09-24	1982-04-06	Hirado Kinzoku Kogyo Kk	Fixing mechanism of automatic stone breaking device
DE8213668U1 (en) *	1982-05-12	1982-08-19	Hawera Probst Gmbh + Co, 7980 Ravensburg	DRILLING TOOL
JPS60191706A (en) *	1984-03-08	1985-09-30	Miyanaga:Kk	Spread-diameter hole part cutting apparatus
GB8425400D0 (en) *	1984-10-08	1984-11-14	Dom Holdings Plc	Tool
DE3818079A1 (en) *	1988-05-27	1989-12-07	Plica Werkzeugfabrik Ag	MILLING TOOL AND METHOD FOR MILLING CYLINDRICAL DRILL HOLES
GB2248200B (en) *	1990-09-28	1994-02-16	David Patrick Payne	Further improvements in drills
GB2291369B (en) *	1994-07-15	1998-06-10	Unicorn Abrasives Ltd	Forming holes
DE10311079A1 (en)	2003-03-13	2004-09-30	Powers Fasteners Europe Bv	Device for creation of bore wider at bottom, comprising special drill tool and guide pipe
DE102008004516B4 (en) *	2008-01-16	2015-02-12	Sergey Ventsel	Cutting tool for creating hollow space in solid materials
CN101793157B (en) *	2010-03-23	2011-11-30	北京科技大学	Method for supporting filling body
CN114352206B (en) *	2021-11-25	2024-01-12	湖北兴龙工具有限公司	Drill bit for expanding
CN114922636B (en) *	2022-05-27	2024-10-08	重庆交通大学	Special-shaped hole slotting cutter head fixture based on trolley drilling machine platform

1974
- 1974-06-05 AT AT464074A patent/AT332099B/en not_active IP Right Cessation
- 1974-06-17 GB GB2670874A patent/GB1434173A/en not_active Expired
- 1974-06-18 CH CH830474A patent/CH579207A5/xx not_active IP Right Cessation
- 1974-06-19 FR FR7421300A patent/FR2234079B3/fr not_active Expired
- 1974-06-20 JP JP7074074A patent/JPS5729242B2/ja not_active Expired

Also Published As

Publication number	Publication date
FR2234079A1 (en)	1975-01-17
ATA464074A (en)	1975-12-15
AT332099B (en)	1976-09-10
JPS5076680A (en)	1975-06-23
CH579207A5 (en)	1976-08-31
FR2234079B3 (en)	1977-04-15
GB1434173A (en)	1976-05-05

Publication	Publication Date	Title
AR201758A1 (en)	1975-04-15
AU476761B2 (en)	1976-09-30
AU465372B2 (en)	1975-09-25
AR201235Q (en)	1975-02-21
AR201231Q (en)	1975-02-21
AU474593B2 (en)	1976-07-29
AU474511B2 (en)	1976-07-22
AU474838B2 (en)	1976-08-05
AU471343B2 (en)	1976-04-15
AU465453B2 (en)	1975-09-25
AU465434B2 (en)	1975-09-25
JPS5076680A (en)	1975-06-23
AU450229B2 (en)	1974-07-04
AU476714B2 (en)	1976-09-30
AR201229Q (en)	1975-02-21
AU466283B2 (en)	1975-10-23
AR199451A1 (en)	1974-08-30
AU476696B2 (en)	1976-09-30
AU472848B2 (en)	1976-06-03
AU477823B2 (en)	1975-06-19
AR200885A1 (en)	1974-12-27
AR195948A1 (en)	1973-11-15
AR200256A1 (en)	1974-10-31
AU477824B2 (en)	1975-07-17
AR195311A1 (en)	1973-09-28