US3883168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite vehicle bumper
Assignee: Renault SA
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Filing: 1974-03-07
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Granted: 1975-05-13
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Expires: 1994-03-07
Abstract
Abstract This composite bumper for motor vehicle comprises apertures, such as necessary for fitting side and tail lamps, flashing direction indicators, of constituting ventilation inlets, comprises a shaped element formed with said apertures which consists of a multidirectional stratified fibers-and-resin structure, and at least one reinforcing element consisting of a unidirectional stratified structure of resin-impregnated yarns or fibers extending outside said apertures. Simplified manufacturing methods are proposed to this end.
Inventors
- 👤 Marcel Goupy
- 👤 Pierre Roubinet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:10
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/18; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/28; B29C70/30; B29C70/34; B29C70/347; B29D; B29D99/00; B29D99/0003; B60R2019/1806; B60R2019/1833; B60R2019/1853
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
48 words
COMPOSITE BUMPER FOR MOTOR VEHICLES, WHICH COMPRISES A SHAPED ELEMENT HAVING A PLURALITY OF APERTURES FORMED THEREIN, THIS ELEMENT CONSISTING OF A MULTIDIRECTIONAL STRATIFIED STRUCTURE OF FIBERS AND RESIN, AND AT LEAST ONE REINFORCING ELEMENT CONSISTING OF A UNDIRECTIONAL STRATIFIED STRUCTURE OF RESIN-IMPREGNATED FIBERS EXTENDING OUTSIDE SAID APERTURES.
Claim 2
Dependent Claim
48 words
COMPOSITE BUMPER FOR MOTOR VEHICLES, WHICH COMPRISES A SHAPED ELEMENT HAVING A PLURALITY OF APERTURES FORMED THEREIN, THIS ELEMENT CONSISTING OF A MULTIDIRECTIONAL STRATIFIED STRUCTURE OF FIBERS AND RESIN, AND AT LEAST ONE REINFORCING ELEMENT CONSISTING OF A UNDIRECTIONAL STRATIFIED STRUCTURE OF RESIN-IMPREGNATED FIBERS EXTENDING OUTSIDE SAID APERTURES.
Claim 3
Dependent Claim
33 words
Bumper according to claim 1, characterised in that it further comprises a layer of material lining the outer face of the bumper, which is the face most liable to receive shocks in service.
Claim 4
Dependent Claim
16 words
Bumper according to claim 2, characterised in that said lining material consists of a suitable elastomer.
Claim 5
Dependent Claim
27 words
Bumper according to claim 1, characterised in that said shaped element has a substantially U-shaped cross-sectional contour and including two reinforcing elements positioned on the U-shaped element.
Claim 6
Dependent Claim
24 words
Bumper according to claim 1, characterised in that said shaped element is hollow and the reinforcing element comprises a belt surrounding said shaped element.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |