B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
32/20, 117/25
B05D 1/38 (2006.01) B29B 15/12 (2006.01) B29C 55/02 (2006.01) B29C 70/06 (2006.01) B29D 29/00 (2006.01) B32B 7/10 (2006.01) C09J 7/04 (2006.01)
Patent
CA 1204345
ABSTRACT OF THE DISCLOSURE An elastomer-coated bias fabric having one tacky surface, for use in reinforcing power transmission belts and the like is disclosed herein. The fabric is a bias fabric having opposed surfaces, yarn or fiber bundles and interstices, and which are pre-impregnated with an elastomeric latex composition. The fabric is provided with a layer of uncured non-carboxylated and non-tackified first elastomeric composition coated on both of the surfaces of the fabric and penetrating the yarn or fiber bundles and the interstices of the fabric, the layer having opposed surfaces and being substantially dry. That layer is overcoated with a layer of uncured tacky, carboxylated second elastomeric composition on only one of the surfaces thereof. This fabric reinforcement is particularly advantageous because it provides secure posi- tional attachment between the coated fabric and the product base in prepara- tion for vulcanization. A method for producing the coated fabric is also dis- closed.
421457
Borden Ladner Gervais Llp
Dayco Corporation
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