Valve for closing cavities which are to be foam-filled

Details Valve for closing cavities which are to be foam-filled Valve for closing cavities which are to be foam-filled

1996-02-16

1997-09-23

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

With mechanical means forming or expanding pores

425562, 425564, 425817R, B29C 4518

Patent

active

056701799

ABSTRACT:
A valve for use in introducing a foamable reactive mixture into a cavity, with the valve being of such size that it can be positioned within the cavity and when so-positioned is in contact with at least one of the walls of the cavity, with the valve including:

REFERENCES:
patent: 4155374 (1979-05-01), Diehl
patent: 4240999 (1980-12-01), Decker, Jr.
patent: 5098267 (1992-03-01), Cheng
patent: 5106283 (1992-04-01), Sauer et al.
patent: 5178184 (1993-01-01), Skillman
patent: 5380186 (1995-01-01), Hettinga et al.

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