IT1272380B - STRUCTURE OF PERFECTED HELMET AND RELATED MANUFACTURING METHOD - Google Patents
STRUCTURE OF PERFECTED HELMET AND RELATED MANUFACTURING METHODInfo
- Publication number
- IT1272380B IT1272380B ITMI930835A ITMI930835A IT1272380B IT 1272380 B IT1272380 B IT 1272380B IT MI930835 A ITMI930835 A IT MI930835A IT MI930835 A ITMI930835 A IT MI930835A IT 1272380 B IT1272380 B IT 1272380B
- Authority
- IT
- Italy
- Prior art keywords
- helmet
- perfected
- related manufacturing
- external body
- layers
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000007664 blowing Methods 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- 239000011152 fibreglass Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000002991 molded plastic Substances 0.000 abstract 1
- 238000001175 rotational moulding Methods 0.000 abstract 1
- 238000003856 thermoforming Methods 0.000 abstract 1
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
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C2/00—Manufacturing helmets by processes not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Helmets And Other Head Coverings (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Il presente trovato ha come oggetto una struttura di casco perfezionato, caratterizzata dal fatto dì comprendere un corpo esterno, realizzato in materia plastica stampata con procedimento ad iniezione, o mediante termoformatura o mediante stampaggio rotazionale a mediante soffiaggio, atto a costituire la matrice per la realizzazione del casco.Sulla superficie interna del predetto corpo esterno sono applicati strati, di vetroresina o di materiali compositi, costituenti la struttura resistente del casco-The present invention relates to an improved helmet structure, characterized in that it comprises an external body, made of injection-molded plastic material, either by thermoforming or by rotational molding by blowing, suitable for forming the matrix for the realization layers on the internal surface of the aforementioned external body are applied layers of fiberglass or composite materials, constituting the resistant structure of the helmet.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI930835A IT1272380B (en) | 1993-04-28 | 1993-04-28 | STRUCTURE OF PERFECTED HELMET AND RELATED MANUFACTURING METHOD |
EP94200874A EP0625318A1 (en) | 1993-04-28 | 1994-03-30 | Improved helmet construction and method therefor |
JP6088993A JPH0748711A (en) | 1993-04-28 | 1994-04-27 | Helmet structure and helmet producing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI930835A IT1272380B (en) | 1993-04-28 | 1993-04-28 | STRUCTURE OF PERFECTED HELMET AND RELATED MANUFACTURING METHOD |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI930835A0 ITMI930835A0 (en) | 1993-04-28 |
ITMI930835A1 ITMI930835A1 (en) | 1994-10-28 |
IT1272380B true IT1272380B (en) | 1997-06-23 |
Family
ID=11365913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI930835A IT1272380B (en) | 1993-04-28 | 1993-04-28 | STRUCTURE OF PERFECTED HELMET AND RELATED MANUFACTURING METHOD |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0625318A1 (en) |
JP (1) | JPH0748711A (en) |
IT (1) | IT1272380B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010038599A (en) * | 1999-10-26 | 2001-05-15 | 홍완기 | Helmet body of dual structure and processing method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3444288A (en) * | 1965-08-06 | 1969-05-13 | Daytona Sports Co | Method for production of a protective helmet |
DE2245997A1 (en) * | 1972-09-20 | 1974-04-04 | Endre Dipl Chem Koevari | PROCESS FOR THE MANUFACTURE OF HELMETS OR SIMILAR HEADGEAR |
FR2343580A1 (en) * | 1976-03-09 | 1977-10-07 | Altulor | METHOD AND DEVICE FOR REINFORCING A THERMOFORMED SHELL |
FR2485341A1 (en) * | 1980-06-24 | 1981-12-31 | Gpa International Sarl | THERMOPLASTIC INJECTED HULL PROTECTIVE HELMET AND METHOD FOR MANUFACTURING THE SAME |
JPS5858151B2 (en) * | 1981-03-26 | 1983-12-23 | 昭栄化工株式会社 | How to paint parts of a helmet |
IT8422307V0 (en) * | 1984-06-15 | 1984-06-15 | Devi Spa | MACHINE FOR THE PRODUCTION OF PRINTED ITEMS IN PLASTIC MATERIAL, IN PARTICULAR OF HELMETS FOR MOTORCYCLISTS AND SIMILAR. |
-
1993
- 1993-04-28 IT ITMI930835A patent/IT1272380B/en active IP Right Grant
-
1994
- 1994-03-30 EP EP94200874A patent/EP0625318A1/en not_active Withdrawn
- 1994-04-27 JP JP6088993A patent/JPH0748711A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0625318A1 (en) | 1994-11-23 |
ITMI930835A0 (en) | 1993-04-28 |
ITMI930835A1 (en) | 1994-10-28 |
JPH0748711A (en) | 1995-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970424 |