B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 7/12 (2006.01) B05B 1/30 (2006.01) B05B 7/02 (2006.01) B05B 7/06 (2006.01) B29B 7/74 (2006.01)
Patent
CA 2428087
An improved metering apparatus is provided for use with a foam dispenser (20) that disperses beads of foam after mixing streams of two foam components together. The dispenser (20) has a pair of inlet passages (23) formed in a body portion (21) of dispenser (20) and a spool valve (40) rotatably mounted in the body portion (21). The spool valve (40) has a pair of flow passages (48) formed in it that can be rotated into mating alignment with the inlet passages (23) formed in the dispenser body portion (21). The spool valve flow passages (48) have circular cross-sections while the inlet passages (23) have non-circular cross-sections, and preferably triangular cross-sections.
L'invention concerne un dispositif amélioré de régulation du débit destiné à être utilisé sur un distributeur de mousse (20) qui disperse des perles de mousse après avoir mélangé des flux de deux composants de mousse. Le distributeur (20) comprend deux passages d'admission (23) pratiqués dans le corps (21) du distributeur (20) et une soupape (40) montée sur le corps (21) par rotation. Le distributeur à tiroir cylindrique (40) comprend deux passages d'écoulement (48) qui peuvent être couplés et alignés par rotation sur les passages d'admission (23) pratiqués dans le corps (21) du distributeur. Les passages d'écoulement du distributeur à tiroir cylindrique (48) présentent des sections transversales circulaires tandis que les passages d'admission (23) présentent des sections transversales non circulaires, de préférence triangulaires.
Brown Daniel P.
Dean Michael C.
Flexible Products Company
Smart & Biggar
LandOfFree
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