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Apparatus for diaphragm forming

  • US 5,648,109 A
  • Filed: 05/03/1995
  • Issued: 07/15/1997
  • Est. Priority Date: 05/03/1995
  • Status: Expired due to Fees
First Claim
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1. Apparatus for forming an article on a surface of a forming tool, comprising:

  • a first diaphragm mountable on the apparatus and conformable to a preform to be formed;

    a second diaphragm mounted on the apparatus and conformable to a portion of the preform simultaneously with the first diaphragm;

    a forming tool having a tool forming surface positionable for receiving a preform to be formed thereon, the apparatus constructed and arranged for securing the preform on the tool forming surface between the first diaphragm and the second diaphragm prior to forming the preform against the tool forming surface when the first diaphragm and second diaphragm are mounted on the apparatus.

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