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Primary Examiner: Powell, William A.
Assistant Examiner: Bokan, Thomas
Attorney: Phillips, Moore, Weissenberger, Lempio & Majestic

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Title: Bonding fluoroelastomers to metal

Abstract: Fluoroelastomers, including ultra high temperature, thermally stable fluoroelastomers, are bonded to a metal backing member by (a) compounding the fluoroelastomers with CaO, (b) curing the fluoroelastomers in contact with a pretreated surface of the metal member, and (c) postcuring the fluoroelastomers/metal unit at elevated temperatures.


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Inventors: Brandon, William D. (Peoria, IL, US)

Application Number: 558765
Filing Date: 1975-03-17
Publication_date: 1977-07-19
Assignee: Caterpillar Tractor Co. (Peoria, IL)
Primary Class(es): 148/276 156/153, 264/127, 264/259, 264/265
Other Classes:
US Patent Ref:
2944927Jul, 1960Dosmann156/306.
2951783Sep, 1960Landrum428/421.
3063882Nov, 1962Cheshire428/422.
3107197Oct, 1963Stein et al.428/422.
3206344Sep, 1965Elkin, Jr.156/86.
3501360Mar, 1970Mancel156/153.
3666516May, 1972Dunning156/232.
3684545Aug, 1972Worrall428/914.
3799832Mar, 1974Reick428/421.

Other Refs: 1,153,3781,158,9451,188,2471,199,858
May, 1969UK.
Jul, 1969UK.
Apr, 1970UK.
Jul, 1970UK.
Other References: Webster's Seventh New Collegiate Dictionary, 1967, p. 203, G. & C. Merriam Company, Springfield, Mass.