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EP0130909A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Apparatus and method for cooling plastic films

Assignee: Norsolor SA
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Filing: 1984-06-28
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Granted: —
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Expires: 2004-06-28
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Abstract

Abstract Translated from French Dispositif de refroidissement de feuilles plastiques obtenues par soufflage de gaine comprenant à sa partie intermédiaire un anneau de soufflage intensif dont le flux est dirigé vers la gaine et à sa partie supérieure une chambre haute dans laquelle la gaine est en contact avec le flux d'air dirigé dans la direction de tirage de la gaine. Le dispositif comprend en outre à sa partie inférieure une chambre basse non close munie d'au moins une ouverture. Device for cooling plastic sheets obtained by blowing a sheath comprising at its intermediate part an intensive blowing ring whose flow is directed towards the sheath and at its upper part an upper chamber in which the sheath is in contact with the air flow directed in the direction of draft of the sheath. The device further comprises at its lower part an unclosed lower chamber provided with at least one opening. Application à la fabrication de feuilles plastiques par soufflage de gaine. Application to the production of plastic sheets by blowing sheath.

Inventors

  • 👤 Joel Audureau
  • 👤 Michel René Caron
  • 👤 Vincent Hervais

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 21:00
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/885; B29C48/03; B29C48/09; B29C48/10; B29C48/911; B29C48/9115; B29C48/912

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