U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Modular narrow profile foam dispenser

Patent 5791522 Issued on August 11, 1998. Estimated Expiration Date: Icon_subject November 30, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3687370

Foam dispensing apparatus
Patent #: 3945569
Issued on: 03/23/1976
Inventor: Sperry

Foam dispensing apparatus
Patent #: 4023733
Issued on: 05/17/1977
Inventor: Sperry

Dispenser
Patent #: 4159079
Issued on: 06/26/1979
Inventor: Phillips, Jr.

Cleaning assembly for a foam dispensing apparatus
Patent #: 4426023
Issued on: 01/17/1984
Inventor: Sperry ,   et al.

Adjustable orifice for reaction injection molding
Patent #: 4469130
Issued on: 09/04/1984
Inventor: James ,   et al.

Detachable mixing chamber for a fluid dispensing apparatus
Patent #: 4469251
Issued on: 09/04/1984
Inventor: Sperry ,   et al.

Detachable mixing chamber for a fluid dispensing apparatus
Patent #: 4568003
Issued on: 02/04/1986
Inventor: Sperry ,   et al.

Apparatus and method for forming foam cushions for packaging purposes
Patent #: 4674268
Issued on: 06/23/1987
Inventor: Gavronsky ,   et al.

Apparatus and method for forming foam cushions for packaging purposes
Patent #: 4800708
Issued on: 01/31/1989
Inventor: Sperry

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Inventors

Application

No. 565021 filed on 11/30/1995

US Classes:

222/145.5, Having mixing chamber222/504MOTOR OPERATED OUTLET ELEMENT

Examiners

Primary: Derakshani, Philippe

Attorney, Agent or Firm

International Class

B67D 005/60

Abstract

A dispenser for dispensing foamable compositions includes a first module comprising a first housing, a fluid flow fitting in the first housing, a shutoff valve in the first housing and in fluid communication with the fluid flow fitting. The dispenser further includes a second module comprising: a second housing, a valving chamber in the second housing for receiving fluid from the shutoff valve and the fluid flow fitting; and an attachment for securing the first and second modules to one another with the valving chamber in fluid communication with the shutoff valve and the fluid flow fitting so that foam precursors can travel from the foam fittings to the valving chamber, and be dispensed from the chamber to form foam.

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