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
2005-04-12
2005-04-12
McDowell, Suzanne E. (Department: 1732)
Plastic and nonmetallic article shaping or treating: processes
Direct application of fluid pressure differential to...
Including application of internal fluid pressure to hollow...
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
Britten Jack H.
Kennedy Richard
Woelfel Mark E.
McDowell Suzanne E.
Rhodes, Jr. R. Gale
Vital Signs Inc.
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