Receptacles – Closures – Having means for securing or retaining closure in its closed...
Patent
1988-08-15
1990-01-30
Lowrance, George E.
Receptacles
Closures
Having means for securing or retaining closure in its closed...
220 6, B65D 618
Patent
active
048967874
ABSTRACT:
An article is provided with resilient hinges becoming rigid under tension, comprising at least two rigid elements (2,3), means for hinging these two elements together and means for locking these elements with respect to each other in a folded up position. The hinge means (1) comprise a part with resilient properties (4) connecting these two elements together, said hinge means being adapted so as to cause the part with resilient properties to occupy a relaxed position when the two elements are not locked with respect to each other and a tensioned position when the two elements are locked with respect to each other. Good rigidity of the hinge joining the two elements together is thus provided when the locking means are activated.
REFERENCES:
patent: 2144318 (1939-01-01), Kryder
patent: 4005795 (1977-02-01), Mikkelsen
patent: 4010865 (1977-03-01), Wilgus
patent: 4170313 (1979-10-01), Caves
patent: 4202457 (1980-05-01), Tansi
patent: 4235346 (1980-11-01), Liggett
patent: 4505404 (1985-03-01), Perchak
patent: 4722473 (1988-02-01), Sandrini
Modern Plastics International, vol. 1, No. 8, Aug. 1971, pp. 78-79; "En-Route to the All-Plastic Refrigerator", *p. 78, lines 1-23*.
Delamour Dominique
Rodi Olivier
Genus International
Lowrance George E.
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