Chain – staple – and horseshoe making – Chains – Conduit
Reexamination Certificate
2007-12-11
2007-12-11
Jones, David B (Department: 3725)
Chain, staple, and horseshoe making
Chains
Conduit
C248S049000, C248S051000
Reexamination Certificate
active
11634041
ABSTRACT:
Breakage in a coupling portion of a side plate subjected to repeated flexure is prevented by using fatigue resistant resin materials in the side plate. The coupling portion of the side plate due is subjected to repeated flexure. Excellent fatigue resistance is realized. The fatigue resistant resin material is selected from the group of an elastomer—or rubber component—compounded polyamide resin and polybutylene terephthalate resin. The rubber component is selected from the group of ethylene-propylene rubber (EPDM), nitrile rubber (NBR) and butyl rubber (IIR).
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U.S. Appl. No. 11/499,328, Tsubakimoto.
U.S. Appl. No. 11/271,551, Tsubakimoto.
Ikeda Masaaki
Komiya Shoichiro
Utaki Akihiko
Jones David B
Tsubakimoto Chain Co.
Woodling Krost and Rust
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