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US Patent: 3,897,957
Ring Seal, Assembly and Method of Manufacturing
Patentee:
Dale J. Warner (exact or similar names) - Oaklawn, Cook County, IL

USPTO Classifications:
277/373, 277/375, 277/394, 277/934

Tool Categories:
industrial machines : industrial machine mechanisms : shaft seals

Assignees:
Gits Bros. Mfg. Co. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 12, 1974
Granted: Aug. 05, 1975

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Gits Bros. Mfg. Co.
Description:
This application is a continuation-in-part of the application of Dale J. Warner entitled "Ring Seal, Assembly and Method of Manufacturing", filed 19 Jun., 1972, and now abandoned.

Abstract:

A shaft seal of the radial mating face type having a primary seal and a secondary seal, the secondary seal forming a seal interior of a housing between an axially movable portion attached to the primary seal and a wall of the housing. The secondary seal is a ring seal substantially C-shaped in cross section.

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