Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1974-10-29
1976-08-31
Esposito, Michael F.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
428117, 428158, 428195, 428310, B32B 326, B32B 518
Patent
active
039782654
ABSTRACT:
An imperforate sheet of gasket material from which gaskets, for preventing leakage of fluid between opposed surfaces, can be made. The sheet, which may be produced by various methods, comprises a matrix of an elastically-compressible material and discrete volumes of substantially-rigid material so distributed therein that upon compressing the sheet between opposed surfaces, initially the matrix material solely resists compression and only thereafter do the discrete volumes also resist compression. The distribution is also such that the mean rate of compression over any area of the sheet is substantially the same as the mean rate of compression over another area of the sheet when the areas are similarly compressed. The discrete volumes form compression stops to resist undesirable over-compression of the sheet. Such a sheet has application in the automotive industry, gaskets made therefrom being particularly suitable for fluid-sealing in vehicle engines.
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patent: 3741851 (1973-06-01), Erb et al.
Hillier Edward Francis Herbert Benjamin
Walker Robin Anthony
Dowty Seals Limited
Esposito Michael F.
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