Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1981-12-17
1983-12-06
Epstein, Henry F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
267152, 428213, 4285428, B32B 100
Patent
active
044193980
ABSTRACT:
The invention concerns laminated stops of curved shapes, particularly for helicopter rotors. The stop has an inner fitting and an outer fitting connected by cupped elements of a resistant and rigid material alternating with layers of flexible material. The layers of flexible material increase in thickness from their centers outwardly, and the mean thickness of the flexible layers increase from the inner fitting to the outer fitting.
REFERENCES:
patent: Re30262 (1980-04-01), Schmidt
patent: 3179400 (1965-04-01), Krotz
patent: 3679197 (1972-07-01), Schmidt
patent: 4084290 (1978-04-01), Lymar et al.
Azeau Jean J. E.
Coffy Rene L.
Epstein Henry F.
Societe Nationale Industrielle Aerospatiale
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