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US 5,047,287 AGranted
Diaphragm
AssigneeToyoda Gosei Co., Ltd.
InventorsNoriyuki Horiuchi, Hiroyuki Kobayashi
Life of this patent
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Abstract
A diaphragm, suitable for use in automotive applications, which comprises a base fabric having bonded to at least one surface a fluororubber layer by an adhesive which includes an acrylonitrile-butadiene or acrylonitrile-isoprene rubber having an amino group. There is also a described a method of making the diaphragm.
Claims9
A diaphragm which comprises
- a) a base fabric;
- b) at least one fluororubber layer bonded to said base fabric, and
- c) an adhesive including an acrylonitrile-butadiene rubber or acrylonitrile-isoprene rubber having an amino group to adhere said base fabric to said fluororubber layer,
- wherein said adhesive further includes an isocyanate-type adhesive.
1 more element
A method for producing a diaphragm having improved adhesive characteristics which comprises:
- a) binding a layer of fluororubber to at least one surface of a base fabric with an adhesive including an isocyanate-type adhesive and formed from an acrylonitrile-butadiene or acrylonitrile-isoprene rubber having an amino group to form a sheet;
- b) vulcanizing the sheet;
- and
- c) cutting the sheet to obtain a diaphragm.
1 more element
Dependencies are inferred from the claim text.