JPS56113442A - Punching method for curved surface of elastic body - Google Patents

Punching method for curved surface of elastic body

Info

Publication number
JPS56113442A
JPS56113442A JP1688780A JP1688780A JPS56113442A JP S56113442 A JPS56113442 A JP S56113442A JP 1688780 A JP1688780 A JP 1688780A JP 1688780 A JP1688780 A JP 1688780A JP S56113442 A JPS56113442 A JP S56113442A
Authority
JP
Japan
Prior art keywords
work
taper
peripheral
punched
cylindrical body
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.)
Pending
Application number
JP1688780A
Other languages
Japanese (ja)
Inventor
Takenori Kusakabe
Yutaka Kondo
Taku Yamamoto
Takao Hitai
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.)
Inoac Corp
Original Assignee
Inoue MTP KK
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 Inoue MTP KK filed Critical Inoue MTP KK
Priority to JP1688780A priority Critical patent/JPS56113442A/en
Publication of JPS56113442A publication Critical patent/JPS56113442A/en
Pending legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

PURPOSE: To work a cylindrical body having a taper at the peripheral surface of the bottom part thereof and the like easily and efficiently by punching a work while pressing and deforming the bottom surface of the work.
CONSTITUTION: The work 9 consisting of the elastic body such as polyrethane foam is placed on a punching die 30 having a cut-away recessed surface 31 slightly larger in diameter than a cutting tool 21, and the tool 21 is lowered to punch out the work 9 into a cylindrical shape. Since the peripheral part of the punched surface 9 of the work 9 is puched out in the condition of being expanded into the recessed surface 31, the peripheral surface of the bottom part is provided with the taper 12. When an expanded part 32 is provided on the die, the peripheral part of the punched surface 9' is deformed toward the center, so that a cylindrical body having a tapered curved surface 13 larger than a main body part 11 is obtained. Accordingly, the cylindrical body having a taper at the peripheral surface of the bottom part thereof, such as a bottle stopper or an earplug, can be punched out easily in one step.
COPYRIGHT: (C)1981,JPO&Japio
JP1688780A 1980-02-13 1980-02-13 Punching method for curved surface of elastic body Pending JPS56113442A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1688780A JPS56113442A (en) 1980-02-13 1980-02-13 Punching method for curved surface of elastic body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1688780A JPS56113442A (en) 1980-02-13 1980-02-13 Punching method for curved surface of elastic body

Publications (1)

Publication Number Publication Date
JPS56113442A true JPS56113442A (en) 1981-09-07

Family

ID=11928673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1688780A Pending JPS56113442A (en) 1980-02-13 1980-02-13 Punching method for curved surface of elastic body

Country Status (1)

Country Link
JP (1) JPS56113442A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924610A (en) * 1982-08-03 1984-02-08 井上　安清 Manufacture of columnar body utilizing branch wood, etc.
JPS5924609A (en) * 1982-08-03 1984-02-08 井上　安清 Manufacture of columnar body utilizing branch wood, etc.
JPS59111804A (en) * 1983-10-15 1984-06-28 井上　安清 Face cutter for woodworking
JP2007310693A (en) * 2006-05-19 2007-11-29 Omron Corp Safety controller
WO2013050123A1 (en) * 2011-10-04 2013-04-11 Rehau Ag + Co Tool for producing a hole in a component

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4886147A (en) * 1972-11-06 1973-11-14
JPS52117376A (en) * 1976-03-30 1977-10-01 Mtp Kasei Kk Method of cutting soft plastic form by punching

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4886147A (en) * 1972-11-06 1973-11-14
JPS52117376A (en) * 1976-03-30 1977-10-01 Mtp Kasei Kk Method of cutting soft plastic form by punching

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924610A (en) * 1982-08-03 1984-02-08 井上　安清 Manufacture of columnar body utilizing branch wood, etc.
JPS5924609A (en) * 1982-08-03 1984-02-08 井上　安清 Manufacture of columnar body utilizing branch wood, etc.
JPS59111804A (en) * 1983-10-15 1984-06-28 井上　安清 Face cutter for woodworking
JP2007310693A (en) * 2006-05-19 2007-11-29 Omron Corp Safety controller
JP2007312573A (en) * 2006-05-19 2007-11-29 Omron Corp Io unit in safety controller of building block type
WO2013050123A1 (en) * 2011-10-04 2013-04-11 Rehau Ag + Co Tool for producing a hole in a component

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