Zero pressure device such as tires or run-flat rings

Details Zero pressure device such as tires or run-flat rings Zero pressure device such as tires or run-flat rings

1977-04-01

1978-11-14

Ivy, C. Warren

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

152152, 152158, 152310, 152330RF, 152167, 521159, 521176, C08G 1810, C08G 1814, C08G 1848, C08J 934

Patent

active

041256913

ABSTRACT:
A zero pressure device is composed of either a microcellular or homogeneous polyurethane made by reacting an organic polyisocyanate with at least three polyols, a monomeric polyol of 2 to 3 hydroxyls having a molecular weight less than 250, a polyether triol having a molecular weight of 4600 to 6000 and a polyether glycol having a molecular weight of 3500 to 4200. When the zero pressured device is a run-flat ring for a tire wheel assembly, it has an average density of 60 to 65 pounds per cubic foot and 30 to 42 pounds per cubic foot when it is a tire.

REFERENCES:
patent: 3392772 (1968-07-01), Powers
patent: 3485283 (1969-12-01), Brehmer
patent: 3605848 (1971-09-01), Lombardi
patent: 3892691 (1975-07-01), White
patent: 3949796 (1976-04-01), Bartos
patent: 3968061 (1976-07-01), Cardy
patent: 4020001 (1977-04-01), White

Affiliated with

Also associated with

Rating

Zero pressure device such as tires or run-flat rings does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Zero pressure device such as tires or run-flat rings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Zero pressure device such as tires or run-flat rings will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1302632