Abrasion resistant plastic bonded to a diaphragm

Details Abrasion resistant plastic bonded to a diaphragm Abrasion resistant plastic bonded to a diaphragm

1997-10-16

2000-06-27

Cole, Elizabeth M.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Two or more non-extruded coatings or impregnations

92 96, 92103SD, 92103F, 92103R, F01B 1900

Patent

active

060806850

ABSTRACT:
An improved diaphragm substantially resistant to abrasive wear for use in certain applications in which at least a portion of such diaphragm is in contact with another surface which would tend to abrade such diaphragm, such diaphragm comprising at least one layer of a flexible material selected from a group including natural rubber, synthetic rubber, fabric reinforced rubber, plastic and mixtures thereof and an abrasion resistant polymeric material having a predetermined thickness. This abrasion resistant polymeric material is adhered to such diaphragm at least in the portion that such diaphragm is in contact with another surface and is subject to abrasion. This type of abrasion generally occurs in the flange area of the diaphragm.

REFERENCES:
patent: 5009778 (1991-04-01), Nickerson et al.
patent: 5349896 (1994-09-01), Delaney, III et al.

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