B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 41/12 (2006.01) B21D 51/48 (2006.01) B65D 41/04 (2006.01) B65D 51/16 (2006.01) B67B 3/02 (2006.01)
Patent
CA 2086836
2086836 9200892 PCTABS00010 The invention discloses a closure for a bottle or the like and process for manufacturing it. The closure consists of a retaining part (1) which retains the closure on the bottle neck, a sealing part (2) which is retained by the retaining part and has a substantially annular sealing surface (7), a seal (10) made of compressible material being arranged between the latter and the annular face of the bottle neck. The contact pressure between the seal and the annular sealing surface varies along the latter. The areas of higher contact pressure act as a limit stop and define the position of the sealing part and thus the magnitude of the compression of the areas (8) of lower contact pressure which form the pressure-relief valve. Sealing, limit stop and elastic element can therefore be made very easily by simply fashioning the annular sealing surface or the seal itself.
Hertrampf Michael
Johnson Douglas S. Q.c.
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