DE3308904A1 - Verfahren fuer die herstellung von sturzhelmen aus polykarbonat u.dgl. - Google Patents

Verfahren fuer die herstellung von sturzhelmen aus polykarbonat u.dgl.

Info

Publication number
DE3308904A1
DE3308904A1 DE19833308904 DE3308904A DE3308904A1 DE 3308904 A1 DE3308904 A1 DE 3308904A1 DE 19833308904 DE19833308904 DE 19833308904 DE 3308904 A DE3308904 A DE 3308904A DE 3308904 A1 DE3308904 A1 DE 3308904A1
Authority
DE
Germany
Prior art keywords
parts
crash
crash helmets
helmets
helmet
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.)
Withdrawn
Application number
DE19833308904
Other languages
German (de)
English (en)
Inventor
Cesare 20100 Milano Landi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE3308904A1 publication Critical patent/DE3308904A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
    • 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
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C2/00—Manufacturing helmets by processes not otherwise provided for
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/002—Coloured
    • B29K2995/0021—Multi-coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4807—Headwear
    • B29L2031/4814—Hats
    • B29L2031/4821—Helmets

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE19833308904 1982-04-08 1983-03-12 Verfahren fuer die herstellung von sturzhelmen aus polykarbonat u.dgl. Withdrawn DE3308904A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8220655A IT8220655A0 (it) 1982-04-08 1982-04-08 Procedimento per la produzione di caschi sportivi in policarbonato esimili.

Publications (1)

Publication Number Publication Date
DE3308904A1 true DE3308904A1 (de) 1983-10-13

Family

ID=11170112

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833308904 Withdrawn DE3308904A1 (de) 1982-04-08 1983-03-12 Verfahren fuer die herstellung von sturzhelmen aus polykarbonat u.dgl.

Country Status (3)

Country Link
DE (1) DE3308904A1 (enExample)
FR (1) FR2524776A1 (enExample)
IT (1) IT8220655A0 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106102498A (zh) * 2014-03-07 2016-11-09 贝尔运动股份有限公司 耐力赛山地自行车下巴托

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1277151B1 (it) * 1995-01-25 1997-11-04 R G Studio S N C Casco in stile d'epoca soddisfacente agli standard di omologazione, dotato di sistema di fissaggio a doppio anello e di frontino con nuovo
FR2863149B1 (fr) * 2003-12-08 2006-10-06 Salomon Sa Casque modulaire
GB201908997D0 (en) * 2019-06-24 2019-08-07 Mips Ab Helmet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106102498A (zh) * 2014-03-07 2016-11-09 贝尔运动股份有限公司 耐力赛山地自行车下巴托
US10238165B2 (en) 2014-03-07 2019-03-26 Bell Sports, Inc. Enduro mountain biking chin bar
CN106102498B (zh) * 2014-03-07 2020-04-24 贝尔运动股份有限公司 耐力赛山地自行车下巴托
US11129432B2 (en) 2014-03-07 2021-09-28 Bell Sports, Inc. Enduro mountain biking chin bar
US11758967B2 (en) 2014-03-07 2023-09-19 Bell Sports, Inc. Enduro mountain biking chin bar

Also Published As

Publication number Publication date
IT8220655A0 (it) 1982-04-08
FR2524776A1 (fr) 1983-10-14
FR2524776B3 (enExample) 1985-02-01

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee