Structure for prevention of mixing of different kinds of oils fo

Details Structure for prevention of mixing of different kinds of oils fo Structure for prevention of mixing of different kinds of oils fo

1982-03-01

1984-04-24

Callaghan, Thomas F.

Pipe joints or couplings

Convertible

285320, 285DIG15, F16L 3712

Patent

active

044444192

ABSTRACT:
This invention provides an oil-feeding coupling consisting of male and female coupling members capable of being engaged with each other only when predetermined portions thereof are opposed to each other, a guide ring fitted around the male coupling member and adapted to set an engaging position thereof in accordance with the kind of an oil to be fed to an underground tank, and positioning portions formed in the female coupling member so as to engage the guide ring therewith, whereby the male and female coupling members can be engaged with each other only when the guide ring is set in a predetermined rotary position with respect to the male coupling member.

REFERENCES:
patent: 999169 (1911-07-01), Jones
patent: 1815660 (1931-07-01), Walker
patent: 3096135 (1963-07-01), Feustel et al.
patent: 3146054 (1964-08-01), Shearer et al.
patent: 3177462 (1965-04-01), Sarnmark
patent: 3194588 (1965-07-01), Buckey et al.
patent: 3287031 (1966-11-01), Simmons et al.
patent: 4099745 (1978-07-01), Cobbs
patent: 4111514 (1978-09-01), Brishka et al.
patent: 4280723 (1981-07-01), Moldestad

Affiliated with

Also associated with

Rating

Structure for prevention of mixing of different kinds of oils fo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Structure for prevention of mixing of different kinds of oils fo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Structure for prevention of mixing of different kinds of oils fo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-112267