MOULE POUR LA FABRICATION D'UN ARTICLE EN MOUSSE DE MATIERE PLASTIQUE REVETU D'UNE ENVELOPPE ET PRESENTANT UNE OUVERTURE

• Main Author: MAKOTO SHOJI
• Format: Patent
• Language: French
• Published: 04.05.1990
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Ce moule comprend un moule inférieur 22 présentant un bossage cylindrique 42 muni d'une cavité intérieure qui correspond à l'ouverture du coussin et autour duquel on place l'enveloppe de façon qu'un bord de l'ouverture de l'enveloppe soit placé dans la cavité intérieure du bossage; la cavité intérieure est isolée de la cavité de moulage lorsque le moule inférieur 22 est assemblé au moule supérieur, de manière que la résine moussante liquide ne puisse pas pénétrer dans la cavité du bossage; un chapeau de fixation 44 se monte sur le bossage cylindrique par dessus l'enveloppe pour fixer cette dernière sur le bossage dans la position désirée. A mold for manufacturing a skin covered foamed plastic article incorporating a hole, with which it is possible to place the skin cover at a desired position despite of the presence of the hole, without spoiling or damaging the skin cover, such that the skin covered foamed plastic article of a desired shape without any deficiencies such as wrinkles and dents can easily be manufactured. The mold includes a lower mold having a cylindrical bossing with a hollow inside, corresponding to the hole, around which the skin cover is placed in such a manner that an edge of a hole on the skin cover is located in the hollow inside the cylindrical bossing, the cylindrical bossing being in such a shape that the hollow inside the cylindrical bossing is shielded off from the cavity when the lower mold is assembled with the upper mold so that the liquid foam resin cannot enter into the hollow; and a fastening cap, to be attached to the cylindrical bossing over the skin cover, for fastening the skin cover to the cylindrical bossing at a desired position.