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Patent Searching and Data


Title:
PUNCH STRIPPER
Document Type and Number:
Japanese Patent JP2013176806
Kind Code:
A
Abstract:

To provide a punch stripper adapted to be retained by a punch retainer which can be attached to a movable upper tool part of a press.

A punch stripper 10 is retained to a punch retainer 2 of press tools 3a, 3b, and adapted to hold a workpiece 5 when the workpiece is machined by a punch 1. The punch stripper includes a punch stripper piston 11, and a pressure chamber adapted to apply a spring load to the punch stripper piston. The pressure chamber is demarcated at least partially by a gap between an inner sleeve and an outer sleeve. The punch stripper piston 11 has a section which is axially displaceable in the gap.


Inventors:
EKMAN FREDRIK
STOLTZ PATRIK
Application Number:
JP2013090464A
Publication Date:
September 09, 2013
Filing Date:
April 23, 2013
Export Citation:
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Assignee:
STROEMSHOLMEN AB
International Classes:
B21D28/00; B21D37/14
Attorney, Agent or Firm:
Kimura Mitsuru
Takanori Mamoru
Taiji Morikawa
Amamiya Yasuhito
Kei Sakurada