Patent US4023833A successfully refreshed from Google Patents.
US4023833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elbow coupler
Assignee: Texaco Trinidad Inc
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Filing: 1976-04-27
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Granted: 1977-05-17
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Expires: 1996-04-27
Abstract
Abstract A coupling unit for use in filling tank ships with petroleum products. It is a 90° elbow with a flange for attaching a loading hose, and there is an integral skirt to fit over a hatch opening. Also, there are quick release type bolts with the skirt to hold the unit in place over a hatch opening when loading product.
Inventors
- 👤 Terry P. B. Wellard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:48
CPC Classifications
F; F16; F16L; F16L41/00; B; B63; B63B; B63B27/00; B63B27/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
Elbow coupler for use in filling petroleum cargo tanks having a hatch opening surrounded by a coaming, comprising in combination an arcuate shaped conduit extending solely about 90 °, an integrally attached skirt located on and adjacent to one end of said conduit and adapted for closing said hatch opening around the outside of said conduit, a plurality of holes in said skirt for matching engagement with studs located around said hatch opening, quick release means associted with said skirt and comprising a plurality of toggle bolts with means for engaging the edges of said hatch opening when said conduit and skirt are in place over said hatch opening, a flared edge on said conduit at the end next to said skirt to reduce splashing, a flange on the other end of said conduit from said flared edge, said flange being adapted for coupling a cargo hose thereto, said arcuate conduit having a radius sufficient to raise said flange above said coaming when the coupler is in use, and a handle on the upper surface of said conduit for manually transporting the coupler from one hatch to another.
Claim 2
Dependent Claim
188 words
Elbow coupler for use in filling petroleum cargo tanks having a hatch opening surrounded by a coaming, comprising in combination an arcuate shaped conduit extending solely about 90 °, an integrally attached skirt located on and adjacent to one end of said conduit and adapted for closing said hatch opening around the outside of said conduit, a plurality of holes in said skirt for matching engagement with studs located around said hatch opening, quick release means associted with said skirt and comprising a plurality of toggle bolts with means for engaging the edges of said hatch opening when said conduit and skirt are in place over said hatch opening, a flared edge on said conduit at the end next to said skirt to reduce splashing, a flange on the other end of said conduit from said flared edge, said flange being adapted for coupling a cargo hose thereto, said arcuate conduit having a radius sufficient to raise said flange above said coaming when the coupler is in use, and a handle on the upper surface of said conduit for manually transporting the coupler from one hatch to another.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-16 | 1980-11-15 | 1981-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-16 | 1984-11-15 | 1985-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-16 | 1988-11-15 | 1989-05-17 | $7700.00 | Window Closed / Lapsed |