Patent ID: 9174362
Filing Date: 2015-11-03
Classification: B05B,B05C,B29B,B67D

Abstract:
1. A plural component spraying system comprising: a set of ratio proportioning pumps for delivering two or more respective components of a plural component fluid formulation under pressure; a heating system to heat said respective fluid components; a mixing and dispensing apparatus into which said respective fluid components enter under pressure which includes an impingement mixing element, a backpressure element, a static mixer housing that contains one or more static mixing elements and an orifice portion from which mixed material is dispensed; wherein said impingement mixing element of said mixing and dispensing apparatus has entry ports and a mixing chamber configured such that said respective fluid components enter under pressure and initially mix by impingement mixing; said orifice portion of said mixing and dispensing apparatus is located downstream of said static mixer housing; said backpressure element is located between the respective fluid component entry ports of the impingement mixing element and said orifice portion; the static mixer housing is easily and quickly removable to facilitate replacement of the static mixing element(s); said system further comprising temperature controllers for said fluid components; a device for setting and maintaining a set ratio between said proportioning pumps.