Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1981-11-30
1984-05-15
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524440, 524441, C08K 308
Patent
active
044489200
ABSTRACT:
The resistance of structural elastomer products, such as bearing blocks, to compressive forces is reduced by incorporating therein a plurality of small, separate, reinforcing elements of relatively hard material. Such materials include crushed rock, concrete, glass or certain slags and small metal pieces. The reinforcing elements are congregated in an interior section or core which is covered by a marginal section substantially free from reinforcing elements.
REFERENCES:
patent: 3152099 (1964-10-01), de Gaugue
patent: 3255152 (1966-06-01), Kniege
patent: 3629051 (1971-12-01), Mitchell
patent: 3668168 (1972-06-01), Self
patent: 3895143 (1975-07-01), Tarlow
Dunn Michael L.
Jacobs Lewis T.
Watson-Bowman Associates, Inc.
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