FR2272617A1 - Protective helmet with plastics housing and flexible lining - providing same system of protection as skull and meninges to brain - Google Patents
Protective helmet with plastics housing and flexible lining - providing same system of protection as skull and meninges to brainInfo
- Publication number
- FR2272617A1 FR2272617A1 FR7419005A FR7419005A FR2272617A1 FR 2272617 A1 FR2272617 A1 FR 2272617A1 FR 7419005 A FR7419005 A FR 7419005A FR 7419005 A FR7419005 A FR 7419005A FR 2272617 A1 FR2272617 A1 FR 2272617A1
- Authority
- FR
- France
- Prior art keywords
- protective helmet
- meninges
- skull
- brain
- protection
- 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
- A42B3/10—Linings
- A42B3/12—Cushioning devices
- A42B3/121—Cushioning devices with at least one layer or pad containing a fluid
-
- 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
-
- 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
- A42B3/18—Face protection devices
- A42B3/22—Visors
- A42B3/24—Visors with means for avoiding fogging or misting
-
- 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
- A42B3/28—Ventilating arrangements
Landscapes
- Helmets And Other Head Coverings (AREA)
Abstract
Protective helmet, partic. for sports, comprises a double wall (1,2) into which is injected a flexible elastic material (3), and a lining (4) consisting of a partially compartmental air chamber filled with fluid under pressure or flexible foam and enclosed with a sheath of leather etc. MATERIALS The double wall is pref. made of moulded plastics material, e.g. polyester resin, epoxy resin, etc., and has holes for injecting the filling material and cutaways for the visor, earpieces, etc. The filling material is pref. expanded polyurethane.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7419005A FR2272617A1 (en) | 1974-05-31 | 1974-05-31 | Protective helmet with plastics housing and flexible lining - providing same system of protection as skull and meninges to brain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7419005A FR2272617A1 (en) | 1974-05-31 | 1974-05-31 | Protective helmet with plastics housing and flexible lining - providing same system of protection as skull and meninges to brain |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2272617A1 true FR2272617A1 (en) | 1975-12-26 |
FR2272617B1 FR2272617B1 (en) | 1978-03-24 |
Family
ID=9139532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7419005A Granted FR2272617A1 (en) | 1974-05-31 | 1974-05-31 | Protective helmet with plastics housing and flexible lining - providing same system of protection as skull and meninges to brain |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2272617A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2375840A1 (en) * | 1976-12-29 | 1978-07-28 | Gyoery Kalman | MOTORCYCLIST SAFETY HELMET |
US4375108A (en) * | 1981-01-28 | 1983-03-01 | The Regents Of The University Of Michigan | Energy-absorbing insert for protective headgear |
WO2015128206A1 (en) * | 2014-02-25 | 2015-09-03 | Weber Werner C | Helmet |
CN106108206A (en) * | 2016-08-26 | 2016-11-16 | 张振堂 | A kind of electric power overhaul safety helmet |
-
1974
- 1974-05-31 FR FR7419005A patent/FR2272617A1/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2375840A1 (en) * | 1976-12-29 | 1978-07-28 | Gyoery Kalman | MOTORCYCLIST SAFETY HELMET |
US4375108A (en) * | 1981-01-28 | 1983-03-01 | The Regents Of The University Of Michigan | Energy-absorbing insert for protective headgear |
WO2015128206A1 (en) * | 2014-02-25 | 2015-09-03 | Weber Werner C | Helmet |
CN106108206A (en) * | 2016-08-26 | 2016-11-16 | 张振堂 | A kind of electric power overhaul safety helmet |
Also Published As
Publication number | Publication date |
---|---|
FR2272617B1 (en) | 1978-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |