DE3221638A1 - Verfahren zum herstellen von schutzhelmen - Google Patents

Verfahren zum herstellen von schutzhelmen

Info

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
Application number
DE19823221638
Other languages
German (de)
English (en)
Other versions
DE3221638C2 (it
Inventor
Romano Trezzo sull'Adda Monzani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KASCO BETA Srl
Original Assignee
KASCO BETA Srl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KASCO BETA Srl filed Critical KASCO BETA Srl
Publication of DE3221638A1 publication Critical patent/DE3221638A1/de
Application granted granted Critical
Publication of DE3221638C2 publication Critical patent/DE3221638C2/de
Granted legal-status Critical Current

Links

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)
DE19823221638 1981-06-10 1982-06-08 Verfahren zum herstellen von schutzhelmen Granted DE3221638A1 (de)

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 (it) 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 (it)
FR (1) FR2507443A1 (it)
IT (1) IT1137048B (it)

Cited By (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE746458T1 (de) * 1994-03-04 1997-09-04 Armacel Pty Ltd Verfahren und vorrichtung zum herstellen von strukturierten gegenständen

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (it) 1984-04-27
DE3221638C2 (it) 1993-04-22
FR2507443A1 (fr) 1982-12-17
IT1137048B (it) 1986-09-03
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