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US 5,779,050 AGranted
Lidded package having a tab to facilitate peeling
AssigneeW. R. Grace & Co.-Conn.
InventorsPatrick N. Kocher, Robin D. Owens
Life of this patent
Estimating the term…
Abstract
A package having a lid bonded to a support member with a heat-seal to enclose a product between the support member and lid. The lid is at least partially heat-shrinkable and has a first peripheral portion and a second peripheral portion, the first peripheral portion being heat-contracted toward the heat-seal to a greater degree relative to the second peripheral portion so that the second peripheral portion provides a tab which can be manually grasped for peeling the lid.
Claims10
A package, comprising:
- a. a support member for supporting a product thereon;
- and
- b. a lid bonded to said support member with a heat-seal between said support member and said lid, said heat-seal extending substantially continuously about the product to enclose the product between said support member and said lid, said lid being at least partially heat-shrinkable and having a first peripheral portion and a second peripheral portion, said first peripheral portion being heat-contracted toward said heat-seal to a greater degree relative to said second peripheral portion, whereby said second peripheral portion provides a tab which can be manually grasped for peeling said lid.
Dependencies are inferred from the claim text.