Patent · US Active

Mixing device for two component polyurethane foam formulation

US10322385B2 · kind B2 · utility

2Cited by

20References

9Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Peter J. Schulz · Midland, US
Matthew J. Turpin · Sanford, US
Gregory T. Stewart · Midland, US
Laura J. Dietsche · Midland, US
Daniel A. Beaudoin · Chambly, CA

Key dates

Filing date	Sep 2, 2014
Grant date	Jun 18, 2019
Priority date	—
Expiry date	Aug 24, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2075/00
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A mixing device (10) containing a housing (20) that defines a mixing chamber (30), an A-component feed channel entrance opening (40), a B-component feed channel entrance opening (50), and air feed channel entrance opening (60), and an exit opening (70) where the feed channel entrance openings and exit opening provide fluid communication into and/or out of the mixing chamber, and a static mixing element (80) housed within the mixing chamber between the three entrance feed channels and the exit opening, wherein the air feed channel entrance opening having a cross sectional area that is 0.7 square mm or greater and 7.7 square mm or less.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.