B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 47/20 (2006.01)
Patent
CA 2230809
The invention relates to a self-closing seal with a sealing cap, a through opening formed in the sealing cap and a sealing membrane associated with the through opening. The sealing membrane has a lower mounting edge and an upper sealing cover extending so as to be substantially concave. The sealing cover and the mounting edge are connected by means of a connecting wall. To achieve an advantageous solution when in use and for manufacturing purposes, it is proposed to construct an extension area externally adjacent the through opening, to arrange the sealing cover in the extension area, and to extend the connection wall into the extension area by traversing the through opening.
L'invention concerne un obturateur se fermant de lui-même, comprenant un capuchon de fermeture (1), une ouverture traversante (8) formée dans ledit capuchon (1) et une membrane d'obturation (2) associée à l'ouverture traversante (8). La membrane d'obturation (2) est pourvue d'un bord de retenue inférieur (3) et d'un couvercle d'obturation supérieur (5) s'étendant de façon sensiblement concave. Le couvercle d'obturation (5) et le bord de retenue (3) sont reliés par une paroi de liaison (4). Pour obtenir une solution avantageuse tant du point de vue de l'utilisation que de la fabrication, il est proposé de former une zone de prolongement (9) contiguë extérieurement à l'ouverture traversante (8), de placer le couvercle d'obturation (5) dans ladite zone de prolongement (9), et d'étendre la paroi de liaison (4) jusqu'à la zone de prolongement (9) en la faisant passer par l'ouverture traversante.
Fetherstonhaugh & Co.
Obrist Closures Switzerland Gmbh
Zeller Plastik Gmbh
LandOfFree
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