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Current content: 159 212 084 patent documents

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1 120 546 documents amended

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EP 0318870 A3 19910710 - SUPPORT PLATE FOR PUNCH TOOLS

Title (en)

SUPPORT PLATE FOR PUNCH TOOLS

Publication

EP 0318870 A3 19910710 (DE)

Application

EP 88119719 A 19881125

Priority

DE 3740456 A 19871128

Abstract (en)

[origin: EP0318870A2] A support plate for punch tools consists of multi-layered plywood, into which are made continuous incisions (20) for receiving punch tools which project from the plate on one side and are intended for producing cutting and/or scoring lines. Channels into which plastic stiffening webs are inserted are formed in the plate (10). <IMAGE>

IPC 1-7

B26F 1/44

IPC 8 full level

B26F 1/44 (2006.01)

CPC (source: EP)

B26F 1/44 (2013.01); B26D 2007/2607 (2013.01); B26F 2001/4463 (2013.01)

Citation (search report)

[X] US 4052886 A 19771011 - BUICK JAMES A
[A] DE 1134880 B 19620816 - FLOSEAL CORP
[A] GB 2053743 A 19810211 - MARBACH GMBH KARL
[A] DE 2404406 A1 19741003 - CHEMPAR CORP

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0318870 A2 19890607; EP 0318870 A3 19910710; DE 3740456 A1 19890608; DE 3740456 C2 19910508

DOCDB simple family (application)

EP 88119719 A 19881125; DE 3740456 A 19871128