FR2337513A1 - Casques de protection et de securite a calottes realisees en structures dites " sandwich " simples ou multiples - Google Patents
Casques de protection et de securite a calottes realisees en structures dites " sandwich " simples ou multiplesInfo
- Publication number
- FR2337513A1 FR2337513A1 FR7600259A FR7600259A FR2337513A1 FR 2337513 A1 FR2337513 A1 FR 2337513A1 FR 7600259 A FR7600259 A FR 7600259A FR 7600259 A FR7600259 A FR 7600259A FR 2337513 A1 FR2337513 A1 FR 2337513A1
- Authority
- FR
- France
- Prior art keywords
- outer walls
- safety helmet
- layer structure
- shock absorbing
- absorbing core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/06—Impact-absorbing shells, e.g. of crash helmets
- A42B3/062—Impact-absorbing shells, e.g. of crash helmets with reinforcing means
- A42B3/063—Impact-absorbing shells, e.g. of crash helmets with reinforcing means using layered structures
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7600259A FR2337513A1 (fr) | 1976-01-07 | 1976-01-07 | Casques de protection et de securite a calottes realisees en structures dites " sandwich " simples ou multiples |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7600259A FR2337513A1 (fr) | 1976-01-07 | 1976-01-07 | Casques de protection et de securite a calottes realisees en structures dites " sandwich " simples ou multiples |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2337513A1 true FR2337513A1 (fr) | 1977-08-05 |
FR2337513B3 FR2337513B3 (fr) | 1978-10-06 |
Family
ID=9167678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7600259A Granted FR2337513A1 (fr) | 1976-01-07 | 1976-01-07 | Casques de protection et de securite a calottes realisees en structures dites " sandwich " simples ou multiples |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2337513A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1688053A1 (fr) * | 2005-02-04 | 2006-08-09 | Manfred Krauter | Coque externe de casque pour sports et loisirs |
-
1976
- 1976-01-07 FR FR7600259A patent/FR2337513A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1688053A1 (fr) * | 2005-02-04 | 2006-08-09 | Manfred Krauter | Coque externe de casque pour sports et loisirs |
Also Published As
Publication number | Publication date |
---|---|
FR2337513B3 (fr) | 1978-10-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5724244A (en) | Sound absorbing laminated structure | |
JPS5689943A (en) | Shock resisting laminate | |
GB2053426B (en) | Sound absorbing structural element | |
JPS56154374A (en) | Autobicycle with collision shock absorber | |
IT8112697A0 (it) | Sedile antiurto per veicolo in particolare sedile antiurto ammortizzatore di energia per l equipaggio di un elicottero con caratteristi che di ammortizzazione regolabili in funzione del peso dell occupante | |
DE3175889D1 (en) | Neutron absorber, neutron absorber assembly utilizing the same, and other uses thereof | |
DE3162339D1 (en) | Damped structure | |
IT1148848B (it) | Casco di protezione con rivestimento ammortizzante | |
AU6070373A (en) | Rope having tension cushioning shock absorber | |
ES505384A0 (es) | Procedimiento para la fabricacion de una lamina con propiedades amortiguadoras de oscilaciones. | |
FR2337513A1 (fr) | Casques de protection et de securite a calottes realisees en structures dites " sandwich " simples ou multiples | |
FR2335169A1 (fr) | Casque de protection et son procede de fabrication | |
FR2380528A1 (fr) | Perfectionnements apportes aux blindages pour protection de vehicules | |
JPS56124559A (en) | Energy absorbing steering handle | |
GB2056617B (en) | Marine landing structure with omni directional energy absorbing characteristics | |
AU5226979A (en) | Shock absorbing packaging elements | |
GB2082541B (en) | Winding an energy absorbing resin fibre structure | |
FR2010518A1 (en) | Multilayer packaging material | |
CN213474037U (zh) | 一种快递包装用的瓦楞纸箱 | |
ZA806596B (en) | Impact absorbing composite structure | |
DE3161202D1 (en) | Ring damped composite transit wheel | |
JPS56138564A (en) | Vacuum container | |
GB2040391B (en) | Valving in aircraft undercarriage shock absorbers | |
CA563124A (fr) | Casque protecteur avec suspension absorbant les chocs | |
Kimball et al. | Energy-absorbing materials for improving helicopter crashworthiness[Final Report] |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |