B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/9
B65D 47/20 (2006.01)
Patent
CA 1316490
ABSTRACT The invention relates to a closure for a bottle or the like, with a cap-like retaining part having an inwardly directed projection or collar engaging under an external bead on the neck of a bottle, and with a sealing part, separate from the said retaining part, and connected thereto, having an annular sealing surface bearing upon the end-surface of the neck of the bottle. The sealing part is connected to the retaining part by a resilient element or is itself resilient, in such a manner as to form a relief-valve. If the closure is used for the neck of a bottle, the retaining part bears upon the upper edge of the neck of the bottle under the tension of the resilient element. It opens at a pressure predetermined by spring tension, so that an inadmissibly high pressure cannot arise. This means that a bottle can never burst, which is dangerous and may lead to an accident.
557615
Hertrampf Michael
Johnson Douglas S. Q.c.
LandOfFree
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