Pipes and tubular conduits – End protectors – Threaded
Patent
1999-04-15
2000-03-07
Hook, James F.
Pipes and tubular conduits
End protectors
Threaded
138 894, 138110, F16L 5700
Patent
active
060326972
ABSTRACT:
A cover for standpipes comprising a tube of brightly colored sheet plastic having one open end and another open end turned back to form an encircling sleeve with notches cut at opposite ends of the encircling sleeve and oppositely directed draw strings, each extending from a notch, through the encircling sleeve to exit at the opposite notch.
REFERENCES:
patent: 2942625 (1960-06-01), Costanzo
patent: 3587654 (1971-06-01), Yocum
patent: 3800486 (1974-04-01), Harvey
patent: 4158407 (1979-06-01), Rest
patent: 4168726 (1979-09-01), Klennert
patent: 4372585 (1983-02-01), Evora
patent: 5687773 (1997-11-01), Ryan et al.
patent: 5915899 (1999-06-01), Dennis
patent: 5921282 (1999-07-01), Castillo et al.
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