US2008080793A1PendingUtilityA1

Gas bags for massaging device

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Assignee: TOYOTA BOSHOKU KKPriority: Sep 29, 2006Filed: Sep 27, 2007Published: Apr 3, 2008
Est. expirySep 29, 2026(~0.2 yrs left)· nominal 20-yr term from priority
Inventors:Masayuki Kitou
A61H 9/0078B60N 2/976A61H 2205/081B60N 2/914A61H 2201/0149A61H 2201/0138
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Claims

Abstract

A gas bag for a massaging device is taught that preferably includes a bellows-shaped portion that is capable elongating and contracting by air supply and air discharge. The gas bag is formed from a thermoplastic resin. The gas bag is annealed while the bellows-shaped portion is compressed so as to have a length shorter than a natural length at the time of molding thereof.

Claims

exact text as granted — not AI-modified
1 . A gas bag for a massaging device, comprising:
 a bellows-shaped portion that is capable of elongating and contracting by air supply and air discharge,   wherein the gas bag is formed from a thermoplastic resin, and wherein the gas bag is annealed while the bellows-shaped portion is compressed so as to have a length shorter than a natural length at the time of molding thereof.   
   
   
       2 . The gas bag as defined in  claim 1 , wherein the thermoplastic resin comprises a thermoplastic crystalline resin having a molecular structure that contains a crystallized region therein. 
   
   
       3 . The gas bag as defined in  claim 1 , wherein the thermoplastic resin comprises a thermoplastic crystalline elastomer. 
   
   
       4 . The gas bag as defined in  claim 1 , wherein the thermoplastic resin comprises a thermoplastic polyester elastomer. 
   
   
       5 . The gas bag as defined in  claim 1 , wherein the gas bag is constructed to be applicable to a vehicle seat.

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