Pipes and tubular conduits – Combined – With end structure
Patent
1987-02-20
1989-01-03
Thronson, Mark J.
Pipes and tubular conduits
Combined
With end structure
403 41, F16L 1100
Patent
active
047949570
ABSTRACT:
A bending strain relief includes a generally transparent, flexible member for receipt over a hose assembly. An opening extends longitudinally through the strain relief having a cross-sectional dimension greater than the cross-sectional dimension of the hose assembly. The cross-sectional dimension is also designed for interference fit with a swaged region or coupling end of the hose assembly. A stiffener member having a generally helical conformation extends from an outer end of the bending strain relief toward an inner end thereof. A first region of the bending strain relief encapsulates the stiffener member therein, and a second region is void of any stiffener member. The longitudinal opening of the bending strain relief is preferably non-circular and is designed to provide an interference fit with a coupling nut to hold the bending strain relief in place.
REFERENCES:
patent: 1367246 (1921-02-01), Ewald
patent: 2236731 (1941-04-01), Oberly
patent: 3529632 (1970-09-01), Johns
PMI Industries, Inc.
Thronson Mark J.
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