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US 4,395,811 AGranted
Hose connectors and methods for making and applying same
OwnerRichard D. Fryeinventor
Life of this patent
Estimating the term…
Abstract
Male threaded hose connectors in the form of an integral sheet metal piece, methods for making such connectors, and hose equipped therewith. The male threaded portion of the connector surrounds the hose and includes rolled sheet metal threads embedded in the hose material.
Claims7
The method for making a male threaded hose connector comprising
- forming a flat circular sheet metal blank into a cup;
- drawing the bottom of the cup into a hollow protuberance extending axially within the cup;
- and
- subjecting the outer wall of the cup to roller threading to form a portion of the outer wall into threads which include outer male crests and inner female crests.
1 more element
Dependencies are inferred from the claim text.