Sealing device for thermal cycling vessels

  • US 5,721,136 A
  • Filed: 11/09/1994
  • Issued: 02/24/1998
  • Est. Priority Date: 11/09/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A multilayer composite material for contacting and sealing an open end of at least one reaction vessel wherein the reaction vessel has a closed end and an open end, comprising:

  • a first generally planar layer formed of a deformable material for contact with the open end of the at least one reaction vessel;

    a second generally planar layer formed of a material which provides support to the first layer;

    the first and the second layers being joined together to form a multilayer composite;

    wherein the first-mentioned layer is constructed of a material with hardness less than 30 Shore A and possesses a tacky surface on each side of the planar layer having a peel strength or polyporpylene of at least 0.1 gf/cm but no more than 50 gf/cm.

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