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Purge trap tray

  • US 4,576,278 A
  • Filed: 09/13/1984
  • Issued: 03/18/1986
  • Est. Priority Date: 11/23/1982
  • Status: Expired due to Term
First Claim
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1. A purge trap tray adapted to display a product which exudes a purge, said tray comprising:

  • (I.) a sunken reservoir area adapted to contain the liquid purge;

    (II.) a support portion adapted to support said product, said support portion comprising;

    (A) a shoulder area raised from and completely surrounding said sunken reservoir area;

    (B) standoff means rising from said sunken reservoir area;

    (C) a product supporting, perforated, liquid impermeable thermoplastic film supported by said standoff means, said film comprising;

    (i) a border area adhered to said shoulder in a liquid tight manner;

    (ii) a plurality of perforations having diameters adapted to allow capillary flow of purge into said reservoir; and

    ,(iii) a centrally located perforation having a diameter adapted to allow free flow of the purge into said reservoir, said centrally located perforation having a greater diameter than that of any other perforation whereby flow of purge into the reservoir is increased and reverse flow of purge upon tilting of the tray is minimized.

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