Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1979-05-11
1981-04-07
Michell, robert W.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
128269, B29C 2300
Patent
active
042605709
ABSTRACT:
A vaginal cleaning device is made by introducing foamable reactants into a container which is closed with a closure member having an elongated handle integral therewith and extending into the container. The reactants are permitted to form a cured foam in the container surrounding at least a portion of the handle extending into the container and the gas generated is vented through a vent opening in the closure member.
REFERENCES:
patent: 2180533 (1939-11-01), Leffler
patent: 2832342 (1958-04-01), Wingenroth
patent: 3086527 (1963-04-01), Forrest
patent: 3515799 (1970-06-01), Ristuccia et al.
patent: 3674025 (1972-07-01), Bleuer
patent: 3831605 (1974-08-01), Fournier
patent: 3966334 (1976-06-01), Forsberg
patent: 3985951 (1976-10-01), Harris
patent: 4014746 (1977-03-01), Greenspan
Block Drug Company Inc.
Michell Robert W.
Rosenbaum C. F.
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