Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Bushing – Providing strain relief
Patent
1977-07-15
1978-07-18
Newton, Dorsey
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Bushing
Providing strain relief
285177, 308237R, B65D 5500
Patent
active
041006453
ABSTRACT:
A bushing for use with an underground storage tank, consisting of a wall having inner and outer screw threads, the outer thread being a standard taper of 1.degree. 47' and the inner thread being a non-standard taper of between 1.degree. - 48' and 16.degree. - 47'.
REFERENCES:
patent: 1822887 (1931-09-01), Hagstedt
patent: 2437843 (1948-03-01), Van Ness
patent: 3103962 (1963-09-01), Neuschotz
patent: 3462539 (1969-08-01), Winston
Clemmer Industries (1964) Limited
Field Lawrence I.
Newton Dorsey
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