Chain – staple – and horseshoe making – Chain making – Blanks and processes
Reexamination Certificate
2011-02-08
2011-02-08
Jones, David B (Department: 3725)
Chain, staple, and horseshoe making
Chain making
Blanks and processes
C059S008000, C474S201000, C474S229000
Reexamination Certificate
active
07882689
ABSTRACT:
In the state where plural sheets of link plates which are single parts are laminated, tension for widening a distance between through-holes is loaded by a pair of pins which are inserted through the through-holes of the link plates so as to load pretension serving as a predetermined compressive residual stress on the link plates. Subsequently, the pair of pins are extracted from the link plates. Consequently, connection members are inserted through the corresponding through-holes of the plurality of link plates so as to assemble a chain with an endless shape.
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European Search Report dated May 27, 2007.
Matsumoto Kozue
Rokkaku Kazuo
Tada Seiji
Jones David B
JTEKT Corporation
McGinn IP Law Group PLLC
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