Dispensing – Plural sources – compartment – containers and/or spaced jacket – With common discharge
Patent
1991-10-17
1993-05-18
Hornsby, Harvey C.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With common discharge
222149, 239118, 239414, 277 24, 366173, 366184, B05B 704, B05B 1502, B01F 504, B01F 1502
Patent
active
052113116
ABSTRACT:
A cartridge for use in a mixing, dispensing and purging apparatus of mutually reactive chemicals. The cartridge comprises a mixing assembly and purging rod. The mixing assembly includes a core member that is preferably deformable with an axial bore formed in it through which the purging rod reciprocates. The mixing assembly also includes a scraper assembly positioned within the mixing assembly. The scraper assembly includes two cup-shaped members positioned essentially in mirror image with each cup-shaped member including an aperture in its base through which the purging rod extends. An insert is positioned within both of the cup-shaped members and extends between the base of each cup-shaped members. The cup-shaped members and insert are designed to remove material built up on the reciprocating purging rod while keeping the rod aligned and preventing fluid flow through the scraper assembly. The scraper assembly thus alleviates the need for any solvent material.
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PCT Publication No. WO/86/06654 dated Nov. 20, 1986 to Brown.
Cooley Charles
E. R. Carpenter Company Inc.
Hornsby Harvey C.
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