×

APPARATUS FOR CASTING PLASTIC SHEET

  • US 3,694,129 A
  • Filed: 08/24/1970
  • Issued: 09/26/1972
  • Est. Priority Date: 08/24/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. In a casting apparatus including a casting zone and an adjacent temperature control zone the improvement which comprises:

  • an enclosed temperature control cell having a rigid rectangular frame and at least one semi-rigid side in sealable contact with said frame which is deflectible in response to pressures acting upon it, said cell having rigid bracing means consisting of a plurality of horizontal and vertical cross members which are firmly connected at cross-over points affixed to said frame and positioned within said cell adjacent to the inner surface of said semi-rigid side, said bracing means providing a stop against the inward deflection of said side.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×