Pipe joints or couplings – With assembly means or feature – Handle or handwheel for rotary engagement
Patent
1978-06-12
1980-12-09
Arola, Dave W.
Pipe joints or couplings
With assembly means or feature
Handle or handwheel for rotary engagement
285156, 285423, 285DIG2, 134166C, F16L 4102
Patent
active
042381312
ABSTRACT:
A flushing fitting for attachment into the heater hoses of an automotive engine and having a base conduit telescopically connected to the heater hose, a connecting duct protruding at one side of the base conduit and defining an out-turned flange against which the threaded insert end of a garden hose may bear for sealing, a sleeve embracing the connecting duct and threaded onto the threaded insert end of the garden hose and drawing the garden hose tightly against the stationary connecting duct, and a circular closure with external threads thereon and turned into the sleeve and against the flange of the connecting duct for sealing and closing the fitting in closed condition.
REFERENCES:
patent: 187023 (1877-02-01), Loughridge
patent: 680125 (1901-08-01), Coldren
patent: 1556417 (1925-10-01), Carroll
patent: 1595186 (1926-08-01), Gray
patent: 1887985 (1932-11-01), Auker et al.
patent: 1939836 (1933-12-01), Tolfree
patent: 2644474 (1953-07-01), Houchin
patent: 2694022 (1954-11-01), Schreiner
patent: 2835234 (1958-05-01), Rasch et al.
patent: 3904228 (1975-09-01), Maroschak
patent: 4030778 (1977-06-01), Kaut
Hot Tips On Your Cars Cooling System", Popular Science, Jul. 1970 pp. 94-96, 100, 120.
Antifreeze, Popular Science, Nov. 1968, pp. 116-117.
Arola Dave W.
Palmatier H. Dale
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