B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 99/00 (2010.01) B29C 65/70 (2006.01) E05B 3/00 (2006.01)
Patent
CA 2654153
A method is provided for molding an integral joint including a stationary member and an enclosure rotatable about the stationary member. The method utilizes a joint formation assembly defining an inner cavity, a first passageway connected to the inner cavity, an outer cavity surrounding the inner cavity, and a second passageway connected to the outer cavity. The method includes the steps of: introducing moldable material into the inner cavity from the first passageway to form the stationary member; introducing moldable material into the outer cavity from the second passageway to form the enclosure; and divorcing the inner cavity from the outer cavity for separately and independently forming the enclosure around the stationary member to allow rotatable movement of the enclosure about the stationary member.
Le procédé décrit permet de mouler un joint intégré comprenant un élément fixe et un coffrage pouvant tourner autour de l'élément fixe. Ce procédé utilise un ensemble de formation de joint définissant une cavité interne, un premier passage raccordé à la cavité interne, une cavité externe entourant la cavité interne, et un second passage raccordé à la cavité externe. Ce procédé comprend les étapes suivantes : introduction d'un matériau moulable dans la cavité interne depuis le premier passage pour former l'élément fixe; introduction d'un matériau moulable dans la cavité externe depuis le second passage pour former le coffrage; et dissociation de la cavité interne par rapport à la cavité externe pour former de façon séparée et indépendante le coffrage autour de l'élément fixe afin de permettre le mouvement rotatif du coffrage autour de l'élément fixe.
Broadhead Douglas G.
Miu Traian
Magna Closures Inc.
Porat Alex
LandOfFree
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