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US4260266A Expired / Lapsed US ⏱️ 0.0 years remaining

Mix head for the production of a foamable reaction mixture from fluid components

Assignee: Bayer AG
•
Filing: 1979-06-06
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Granted: 1981-04-07
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Expires: 1999-06-06
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Abstract

Abstract The invention relates to a mix head for the production of a foamable reaction mixture, preferably one forming polyurethane, from fluid components, said mixing head having a distributor member with several outlets attached to the outlet of the mixing chamber.

Inventors

  • 👤 Rudolf Rudhart
  • 👤 Klaus Schulte
  • 👤 Werner Dietrich
  • 👤 Heinz Decker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 07:37
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/80; B29B7/74; B29B7/7457; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/22; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87249

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 94 words
A mix head for the production of a foamable reaction mixture from fluid components, comprising a mixing chamber communicating with feed pipes for the fluid components, a distributor member with a plurality of outlets attached to the outlet of said mixing chamber, said distributor member consisting of a housing enclosing a central chamber in which a connecting pipe is longitudinally displaceable, outlet bores being arranged inside said housing behind the outlet end of the connecting pipe, and a distributor cone mounted on a set screw provided opposite the outlet end of said outlet pipe.
Claim 2
Dependent Claim 94 words
A mix head for the production of a foamable reaction mixture from fluid components, comprising a mixing chamber communicating with feed pipes for the fluid components, a distributor member with a plurality of outlets attached to the outlet of said mixing chamber, said distributor member consisting of a housing enclosing a central chamber in which a connecting pipe is longitudinally displaceable, outlet bores being arranged inside said housing behind the outlet end of the connecting pipe, and a distributor cone mounted on a set screw provided opposite the outlet end of said outlet pipe.
Claim 3
Dependent Claim 28 words
The mix head of claim 1, characterized in that the outlet end of said connecting pipe has a sloping surface conforming to the surface of said distributor cone.
Claim 4
Dependent Claim 15 words
The mix head of claim 1, characterized in that said distributor cone has a step.
Claim 5
Dependent Claim 23 words
The mix head of claim 1, characterized in that the outlet bores are directed parallel to the sloping surface of the distributor cone.

References Cited (Backward Citations)

US2504678A Cited
US2990252A Cited
DE2742018A1 Cited
US4213936A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-04-06 1984-10-06 1985-04-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-04-06 1988-10-06 1989-04-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-04-06 1992-10-06 1993-04-07 $7700.00 Window Closed / Lapsed

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