Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Reexamination Certificate
2005-07-26
2005-07-26
Dixon, Merrick (Department: 1774)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
C428S036100, C428S492000, C156S137000, C156S138000, C156S139000, C156S148000, C156S910000
Reexamination Certificate
active
06921572
ABSTRACT:
A transmission belt is made of a cord, a rubber or thermoplastic matrix, and an adhesion material which is able to adhere the cord to the rubber or thermoplastic matrix. The cord is made of at least two yarns, such that a first yarn has a melting or decomposition point T1and a second yarn has a melting point T2, wherein T1>T2. A ratio of a linear density of the first yarn to a linear density of the second yarn is between 1,000:1 and 1:1, wherein the second yarn is fused to the first yarn. A method of making such cords includes intertwining the first and the second yarn and then heating to a temperature between T1and T2, with the heating step being integrated with or followed by a step wherein the cord is subjected to a dipping treatment with a rubber adhesion material.
REFERENCES:
patent: 2748049 (1956-05-01), Kalatus
patent: 3525703 (1970-08-01), Iwami et al.
patent: 4155394 (1979-05-01), Shepherd et al.
patent: 4460029 (1984-07-01), Schuetz et al.
patent: 5922796 (1999-07-01), Colombet et al.
patent: 0 602 618 (1994-06-01), None
patent: WO 97/06297 (1997-02-01), None
Dixon Merrick
Oliff & Berridg,e PLC
Teijin Twaron GmbH
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