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Document Type and Number:
Japanese Patent JPS62174720
Kind Code:
U
Abstract:
An improved apparatus for forming plates of irregular cross-sectional shape has a plate-form die which cooperates with a plurality of reciprocating rollers for forming a strip of plate material which is passed incrementally between the rollers and the die. The die includes a plate surface portion having a wedge-shaped leading end portion for forming a groove in the plate material. The rollers reciprocate with a stroke which is less than the length of the plate surface portion.

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Application Number:
JP6017986U
Publication Date:
November 06, 1987
Filing Date:
April 23, 1986
Export Citation:
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International Classes:
B21D13/10; B21B1/08; B21D7/02; B21D17/04; B21H7/00; (IPC1-7): B21D13/10; B21D17/04
Domestic Patent References:
JPS52153866A1977-12-21
JP62174720B
JPS62156037A1987-07-11



 
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