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
1984-05-29
1985-06-18
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...
428325, 428328, 428331, 524567, 524570, 524571, 524572, 524573, 524574, 524575, 524590, C08L 902, C08L 5502
Patent
active
045241740
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: 2885381 (1959-05-01), Svetlik
patent: 3354169 (1967-11-01), Shafer et al.
patent: 3400096 (1968-09-01), Bateman et al.
patent: 3698933 (1972-10-01), Leeks et al.
patent: 3809567 (1974-05-01), Rohan
patent: 3895035 (1975-07-01), Berg et al.
Dunn Michael L.
Ellis Howard M.
Jacobs Lewis T.
Watson Bowman Associates
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