DE3221638A1 - Verfahren zum herstellen von schutzhelmen - Google Patents
Verfahren zum herstellen von schutzhelmenInfo
- Publication number
- DE3221638A1 DE3221638A1 DE19823221638 DE3221638A DE3221638A1 DE 3221638 A1 DE3221638 A1 DE 3221638A1 DE 19823221638 DE19823221638 DE 19823221638 DE 3221638 A DE3221638 A DE 3221638A DE 3221638 A1 DE3221638 A1 DE 3221638A1
- Authority
- DE
- Germany
- Prior art keywords
- inner layer
- layer
- thermoplastic
- cap
- impact
- 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
- 238000000034 method Methods 0.000 title claims description 19
- 230000001681 protective effect Effects 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 229920001169 thermoplastic Polymers 0.000 claims description 8
- 239000004416 thermosoftening plastic Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 229920002334 Spandex Polymers 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 239000004759 spandex Substances 0.000 claims description 2
- 238000004049 embossing Methods 0.000 claims 3
- 238000013003 hot bending Methods 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000009776 industrial production Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000005452 bending Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- A42C2/002—In-mould forming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/14—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets
- B29C51/145—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor using multilayered preforms or sheets having at least one layer of textile or fibrous material combined with at least one plastics layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/16—Lining or labelling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/56—Damping, energy absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2437/00—Clothing
- B32B2437/04—Caps, helmets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Helmets And Other Head Coverings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT22246/81A IT1137048B (it) | 1981-06-10 | 1981-06-10 | Processo per la produzione industriale di caschi di sicurezza per motociclisti o simili,e caschi perfezionati ottenuti mediante l'applicazione industriale di detto processo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3221638A1 true DE3221638A1 (de) | 1982-12-30 |
| DE3221638C2 DE3221638C2 (enExample) | 1993-04-22 |
Family
ID=11193603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823221638 Granted DE3221638A1 (de) | 1981-06-10 | 1982-06-08 | Verfahren zum herstellen von schutzhelmen |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3221638A1 (enExample) |
| FR (1) | FR2507443A1 (enExample) |
| IT (1) | IT1137048B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0480451A1 (en) * | 1990-10-12 | 1992-04-15 | CENTRO SVILUPPO SETTORI IMPIEGO S.r.l. | Process for preparing thermoinsulating and/or structural formed articles and products so obtained |
| US5262117A (en) * | 1990-10-12 | 1993-11-16 | Centro Sviluppo Settori Impiego S.R.L. | Process for preparing thermoinsulating and/or structural formed articles and products so obtained |
| DE102006008231A1 (de) * | 2006-02-22 | 2007-08-30 | Strähle & Hess GmbH & Co. KG | Textilkaschiertes Bauteil |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3806204A1 (de) * | 1988-02-26 | 1989-09-07 | Ver Deutsche Nickel Werke Ag | Helm und verfahren zu dessen herstellung |
| DE4001894A1 (de) * | 1990-01-23 | 1991-07-25 | Deutsche Nickel Ag | Kunststoffhelm, verbundhelm mit innerem kunststoffhelm und verfahren zu deren herstellung |
| DE4140044C2 (de) * | 1991-12-05 | 1994-02-17 | Winter Optik | Verfahren zur Herstellung eines Helms und nach diesem Verfahren hergestellter Helm |
| WO1995023682A1 (en) * | 1994-03-04 | 1995-09-08 | Armacel Pty Ltd | A method and apparatus for forming structural articles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934064A (en) * | 1971-11-24 | 1976-01-20 | E. I. Du Pont De Nemours And Company | Composite structures of knitted glass fabric and thermoplastic polyfluoroethylene resin sheet |
| US4064565A (en) * | 1976-05-13 | 1977-12-27 | Griffiths William S | Helmet structure |
| DE2746897A1 (de) * | 1977-10-19 | 1979-04-26 | Phoenix Ag | Kopfschutzbedeckung aus kunststoff |
-
1981
- 1981-06-10 IT IT22246/81A patent/IT1137048B/it active
-
1982
- 1982-06-08 DE DE19823221638 patent/DE3221638A1/de active Granted
- 1982-06-08 FR FR8209941A patent/FR2507443A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3934064A (en) * | 1971-11-24 | 1976-01-20 | E. I. Du Pont De Nemours And Company | Composite structures of knitted glass fabric and thermoplastic polyfluoroethylene resin sheet |
| US4064565A (en) * | 1976-05-13 | 1977-12-27 | Griffiths William S | Helmet structure |
| DE2746897A1 (de) * | 1977-10-19 | 1979-04-26 | Phoenix Ag | Kopfschutzbedeckung aus kunststoff |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0480451A1 (en) * | 1990-10-12 | 1992-04-15 | CENTRO SVILUPPO SETTORI IMPIEGO S.r.l. | Process for preparing thermoinsulating and/or structural formed articles and products so obtained |
| US5262117A (en) * | 1990-10-12 | 1993-11-16 | Centro Sviluppo Settori Impiego S.R.L. | Process for preparing thermoinsulating and/or structural formed articles and products so obtained |
| DE102006008231A1 (de) * | 2006-02-22 | 2007-08-30 | Strähle & Hess GmbH & Co. KG | Textilkaschiertes Bauteil |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2507443B3 (enExample) | 1984-04-27 |
| DE3221638C2 (enExample) | 1993-04-22 |
| IT1137048B (it) | 1986-09-03 |
| FR2507443A1 (fr) | 1982-12-17 |
| IT8122246A0 (it) | 1981-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: B29C 51/06 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |