Screw cap for container

Details Screw cap for container Screw cap for container

B - Operations, Transporting

65

D

206/40

B65D 41/04 (2006.01) B65D 41/34 (2006.01)

Patent

CA 1192526

ABSTRACT OF THE DISCLOSURE A screw-cap for closing a container mouth has a sealing lip secured to the cap top. The inner side-wall of the sealing lip has a diameter which is greater than the outer diameter of the container outer wall. A compression device, which can be in the form of an inner plug seal, creates a contraction of the cap top when the screw-cap is screwed on to the container whereby the sealing lip is pressed against the container mouth. In this manner, the sealing lip is only pressed radially against the container mouth during the course of the screwing-on process. In this way over-stretching and damage to the material of the sealing lip can be prevented.

427110

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