Title: Mixing head for mixing at least two reactive components

Abstract: The instant invention is directed to a mixing head for mixing reactants preferably for the production of foam. The mixing head is characterized as having a housing in which an ejector piston is guided, the guide bore of said piston being crossed by a guide bore for a restrictor slide which has a passage for the ejector piston, an outlet element being situated immediately subjacent to said passage, and, in the most preferable embodiment, the restrictor slide and ejector piston being connected to a control device.

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Inventors: Schulte, Klaus (Leverkusen, DE, US)
Ersfeld, Heinrich (Leverkusen, DE, US)

Application Number: 775088
Filing Date: 1977-03-07
Publication_date: 1979-02-27
Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)
Primary Class(es): 222/137 141/107, 222/564, 264/DIG83, 366/162.4, 422/133, 425/130, 425/257, 425/543, 425/817R
Other Classes:
US Patent Ref:

60104	Nov, 1866	Wiles	222/380.
3101161	Aug, 1963	Ivarson	222/309.
3706515	Dec, 1972	Keuerleber et al.	425/257.
3975128	Aug, 1976	Schluter	222/136.
4073408	Feb, 1978	Hartwig	222/145.

Other Refs: 2071220

Sep, 1971	FR

Primary Examiner: Knowles, Allen N.
Assistant Examiner: Silverberg, Fred A.
Attorney: Harsh; Gene, Gil; Joseph C., Olson; R. Brent