B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 44/18 (2006.01)
Patent
CA 2269625
An apparatus is disclosed for automatically molding defined three-dimensional foam cushions (47). The apparatus comprises means for preparing a bag plastic film material (36) and for enclosing a foamable composition (40) in the plastic bag (34), means for concurrently aligning a mold (23) with the plastic bag (34) and the bag preparing means, means for placing the bag containing the foamable composition into the aligned mold (23) as the foamable composition (40) begins to form foam, and means (30) for maintaining the bag in the mold until the foamable composition has substantially finished forming foam in a shape conforming to the mold (23).
L'invention concerne un appareil pour le moulage automatique de coussins en mousse (47) présentant une géométrie tridimensionnelle définie. Cet appareil comprend un élément pour préparer un sac à partir d'un matériau de film plastique (36) et pour enfermer une composition expansible (40) dans le sac plastique (34), un élément pour aligner simultanément un moule (23) avec le sac plastique (34) et l'élément de préparation de sac, un élément pour placer le sac contenant la composition expansible dans le moule aligné (23) lorsque la composition expansible (40) commence à former de la mousse, et un élément (30) pour maintenir le sac dans le moule jusqu'à ce que la composition expansible ait pratiquement fini de former de la mousse et présente une forme correspondant à celle du moule (23).
Bertram George T.
Corliss James M.
Reichental Abraham N.
Shafir Alexander
Borden Ladner Gervais Llp
Sealed Air Corporation
LandOfFree
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