Process of manufacturing a breathing bag and breathing bag...

Plastic and nonmetallic article shaping or treating: processes – Direct application of fluid pressure differential to... – Including application of internal fluid pressure to hollow...

Reexamination Certificate

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Details

C264S531000, C264S340000, C264S571000

Reexamination Certificate

active

06878335

ABSTRACT:
Process for manufacturing a breathing bag including a connector portion and a distensible portion including the steps of providing moldable material, forming a portion of the moldable material into the connector portion of the breathing bag and forming another portion of the moldable material into the distensible portion of the breathing bag. The moldable material may be provided by extruding a parison of thermoplastic material; the connector portion of the breathing bag may be formed by compression molding and the distensible portion of the breathing bag may be formed by blow molding or blow and vacuum molding; such distensible portion and connector portions are formed or molded integrally. A breathing bag made by such process.

REFERENCES:
patent: 5391248 (1995-02-01), Brain
patent: 6290094 (2001-09-01), Arnold et al.
patent: 6495089 (2002-12-01), Crider

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