B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 7/76 (2006.01)
Patent
CA 2060206
2060206 9101866 PCTABS00003 A two-component thermosetting polymer system is formed and dispensed by adding a foaming agent to one of two components of the polymer system. A solution of the foaming agent in the first component (10) is formed in a supply tank (11). The foaming agent and first component (10) solution is then mixed with a second component (17) at a dispensing head or nozzle (24). By adding the foaming agent to only one of the two components and, in particular, by forming a solution of the foaming agent in the first component (10) one is able to very carefully control the foam density of the cured end product.
Saidman Laurence B.
Smith James C.
Corporation Nordson
Macrae & Co.
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