Aerosol cement and valve for dispensing

Details Aerosol cement and valve for dispensing Aerosol cement and valve for dispensing

2006-03-07

2006-03-07

Aftergut, Jeff H. (Department: 1733)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S111000, C524S113000, C156S333000, C156S331600

Reexamination Certificate

active

07008985

ABSTRACT:
An aerosol solvent weld cement composition for joining ends of plastic pipe. The composition contains at least one polymer capable of welding the plastic pipes to each other, at least one solvent for the polymer, and at least one propellant for the polymer/solvent solution. The composition is maintained under pressure greater than atmospheric pressure in an aerosol container. A female omnidirectional valve is disclosed for use in the aerosol container. This valve allows the solvent weld cement composition to be applied to pipes from any angle.

REFERENCES:
patent: 3033473 (1962-05-01), Kitabayashi
patent: 3061203 (1962-10-01), Kitabayashi
patent: 3074601 (1963-01-01), Kuffer
patent: 3209960 (1965-10-01), Green
patent: 4572406 (1986-02-01), Pratt et al.
patent: 5027985 (1991-07-01), Abplanalp
patent: 6429242 (2002-08-01), Macher et al.
patent: 6613186 (2003-09-01), Johnson
patent: 6652704 (2003-11-01), Green

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