US4762247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orifice ring for a filling cap
Assignee: Temtec Fahrzeugtechnik Entwicklungs GmbH
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Filing: 1987-01-20
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Granted: 1988-08-09
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Expires: 2007-01-20
Abstract
Abstract An orifice ring (1) for fixing to a self-sealing fuel tank cap (2) is described. Orifice ring (1) has a guide tube part (4) connected to the fuel tank cap (2) while leaving an air gap (3), said tube part passing into an inverted over marginal region (5) at its side remote from the fuel tank cap.
Inventors
- 👤 Angelika B. Temmesfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:56
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; B60K2015/03328; B60K2015/03434; B60K2015/0458; B60K2015/048; Y; Y10; Y10S; Y10S220/00; Y10S220/33; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
48 words
Orifice ring for fixing to a self-sealing fuel tank cap, characterized in that it has a guide tube part connected to the fuel tank cap, whilst leaving an annular-like air gap, the side of tube part remote from fuel tank cap passing into an inverted over marginal region.
Claim 2
Dependent Claim
48 words
Orifice ring for fixing to a self-sealing fuel tank cap, characterized in that it has a guide tube part connected to the fuel tank cap, whilst leaving an annular-like air gap, the side of tube part remote from fuel tank cap passing into an inverted over marginal region.
Claim 3
Dependent Claim
28 words
Orifice ring according to claim 1, characterized in that the inverted over marginal region encloses the opening of the fuel tank connection, whilst leaving free an air gap.
Claim 4
Dependent Claim
23 words
Orifice ring according to claim 2, characterized in that longitudinal webs are provided on the inner wall of the inverted over marginal region.
Claim 5
Dependent Claim
23 words
Orifice ring according to claim 1, characterized in that a projection limiting the free opening of guide tube is provided in the latter.
Claim 6
Dependent Claim
26 words
Orifice ring according to claim 1, characterized in that a bead-like web is provided in guide tube at its end remote from the fuel tank cap.
Claim 7
Dependent Claim
24 words
Orifice ring according to claim 1, characterized in that it has locking means with which it can be locked on the fuel tank cap.
Claim 8
Dependent Claim
39 words
Orifice ring according to claim 6, characterized in that the locking means are so arranged in the interior of the inverted over marginal region that they are inaccessible when the orifice ring is engaged on the fuel tank cap.
Claim 9
Dependent Claim
51 words
Orifice ring according to claim 6, characterized in that it is provided on the inner wall of the inverted over marginal region with at least two projections displaced by 180° and in each case having a notch and into which can engage a radially projecting edge of the fuel tank cap.
Claim 10
Dependent Claim
24 words
Orifice ring according to claim 6, characterized in that it has several axial stops on the inner wall of the inverted over marginal region.
Claim 11
Dependent Claim
23 words
Orifice ring according to claim 1, characterized in that it has gripping notches on the outer wall of the inverted over marginal region.
Claim 12
Dependent Claim
74 words
Orifice ring for fixing to a self-sealing fuel tank cap (2), characterized in that it has a guide tube part (4) connected to the fuel tank cap (2), whilst leaving an annular-like air gap (3), the side of tube part (4) remote from fuel tank cap (2) passing into an inverted over marginal region (5), said region communicating with the opening of the fuel tank correction (6) whilst leaving free and air gap (7).
Claim 13
Dependent Claim
74 words
Orifice ring for fixing to a self-sealing fuel tank cap (2), characterized in that it has a guide tube part (4) connected to the fuel tank cap (2), whilst leaving an annular-like air gap (3), the side of tube part (4) remote from fuel tank cap (2) passing into an inverted over marginal region (5), said region communicating with the opening of the fuel tank correction (6) whilst leaving free and air gap (7).
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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) | 1991-08-09 | 1992-02-08 | 1992-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-09 | 1996-02-08 | 1996-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-09 | 2000-02-08 | 2000-08-09 | $7700.00 | Window Closed / Lapsed |