Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Reexamination Certificate
2006-10-03
2010-11-30
Del Sole, Joseph S (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
C425S461000
Reexamination Certificate
active
07842213
ABSTRACT:
A die for extrusion-molding in accordance with the present invention comprises: a molding groove part, a material supplying part, and an outer frame for fixing a die main body comprising the molding groove part and the material supplying part to the front end of an extrusion-molding apparatus, whereinthe die main body has a form in which the plate-shaped molding groove part smaller than the material supplying part is provided at almost the middle of the plate-shaped material supplying part such that it protrudes from the material supplying part,the outer frame comprises: a die holding part which is provided such that it covers the material supplying part around the molding groove part; and a peripheral part which is provided near the die holding part, andsupposing that the thickness of the molding groove part is X, the thickness of the material supplying part is Y, and the thickness of the die holding part of the outer frame is Z, these X, Y and Z are allowed to satisfy the inequalities (1) about 3≦X≦about 6, (2) about 5≦Y≦about 10, (3) about 3.5≦Z≦about 8.5, (4) about 0.8<Y/X<about 2.5, and (5) about 1<Z/X<about 2.
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Machine translations of: JP 2000-326318.
Machine translations JP 05-131424, and JP 08-336819.
Machine translation of JP 07-246610.
Machine translation of JP 08-090534.
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Del Sole Joseph S
Finnegan Henderson Farabow Garrett & Dunner LLP
Ibiden Co. Ltd.
Stewart Kimberly A
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