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US 5,575,812 AGranted
Cooling pad method
AssigneeVesture Corporation
InventorByron C. Owens
Life of this patent
Estimating the term…
Abstract
A therapeutic pad for heating or cooling has a liquid absorbent to prevent liquid leakage in the event the sealed envelope of the pad is ruptured. The method of forming the pad includes vacuuming the thermoplastic envelope prior to sealing. The pad can be used alone or with a comforter to provide warmth or to remove heat from the body of the user.
Claims4
A method of cooling a selected object comprising the steps of:
- (a) forming a cooling pad having a liquid and a liquid absorbing means sealed within an envelope by placing said liquid and said liquid absorbing means inside said envelope, thereafter compressing said liquid absorbing means by vacuum pressure, and thereafter sealing said envelope while said liquid absorbing means remains compressed;
- (b) refrigerating the pad to cool it;
- and
- (c) placing said cooled pad adjacent said selected object.
1 more element
Dependencies are inferred from the claim text.