EDWARD JOHN MURPHY
Real Estate Commission in Hatboro, PA

5074300, Dec 24, 1991

Dec 1, 1989

7/444689

Edward Murphy - Hatboro PA

SePro Healthcare Inc. - Montgomeryville PA

A61F 700

128402

A reusable, fabric-covered heat exchange bag is provided which includes a thermoplastic waterproof liner means having an interior containment area and an opening for receiving a hot or cold medium, such as hot water or ice. Disposed on a significant portion of the exterior surface of the liner is a thermoplastic fabric-like cover which is joined to the liner to define a peripheral region of the reusable heat exchange bag. The heat seal arrangement which forms the peripheral region of the bag also facilitates the severing of the reusable heat exchange bag from a sheet of stock material.

5045041, Sep 3, 1991

Dec 1, 1989

7/444680

Edward Murphy - Hatboro PA

SePro Healthcare Inc. - Montgomeryville PA

B31B 2725, B31B 2564, B31B 3926

493194

A method of producing a reusable, fabric-covered, heat exchange bag is provided which includes the steps of providing thermoplastic stock including waterproof film and a fabric-like material. The fabric-like material is folded along a fold line so as to contain a substantial portion of the waterproof film. This fold line represents a first edge of the reusable heat exchange bag whenthe bag is in a flattened condition. The waterproof film and the fabric-like material are heat sealed to form a closure with the fold line and to provide a tear initiation site for facilitating the severing of the reusable heat exchange bag from the thermoplastic stock.