FR2346992A1 - Perfectionnement aux casques de protection - Google Patents

Perfectionnement aux casques de protection

Info

Publication number
FR2346992A1
FR2346992A1 FR7610112A FR7610112A FR2346992A1 FR 2346992 A1 FR2346992 A1 FR 2346992A1 FR 7610112 A FR7610112 A FR 7610112A FR 7610112 A FR7610112 A FR 7610112A FR 2346992 A1 FR2346992 A1 FR 2346992A1
Authority
FR
France
Prior art keywords
plastic
resin
walls
shock
polyester
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
FR7610112A
Other languages
English (en)
French (fr)
Other versions
FR2346992B1 (enExample
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
Priority to FR7610112A priority Critical patent/FR2346992A1/fr
Publication of FR2346992A1 publication Critical patent/FR2346992A1/fr
Application granted granted Critical
Publication of FR2346992B1 publication Critical patent/FR2346992B1/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—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
    • A42B3/065—Corrugated or ribbed shells
    • 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
    • A42B3/124—Cushioning devices with at least one corrugated or ribbed layer

Landscapes

  • Helmets And Other Head Coverings (AREA)
FR7610112A 1976-04-07 1976-04-07 Perfectionnement aux casques de protection Granted FR2346992A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7610112A FR2346992A1 (fr) 1976-04-07 1976-04-07 Perfectionnement aux casques de protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7610112A FR2346992A1 (fr) 1976-04-07 1976-04-07 Perfectionnement aux casques de protection

Publications (2)

Publication Number Publication Date
FR2346992A1 true FR2346992A1 (fr) 1977-11-04
FR2346992B1 FR2346992B1 (enExample) 1979-05-11

Family

ID=9171499

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7610112A Granted FR2346992A1 (fr) 1976-04-07 1976-04-07 Perfectionnement aux casques de protection

Country Status (1)

Country Link
FR (1) FR2346992A1 (enExample)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222681A1 (de) * 1982-06-16 1983-12-22 Egon 4830 Gütersloh Busch Schutzhelm und verfahren zum herstellen von schutzhelmen
FR2542668A1 (fr) * 1983-03-15 1984-09-21 Claude Morin Procede de fabrication d'un element a surface courbe a partir d'une planche rigide d'un materiau du type " nid d'abeilles " et produit obtenu
WO1986003383A1 (en) * 1984-12-11 1986-06-19 Airsorb Pty. Ltd. Protective helmet and locking means
WO1994000031A1 (en) * 1992-06-27 1994-01-06 Brine, Christopher, Andrew Safety helmets
WO2014177872A1 (en) * 2013-04-30 2014-11-06 Aldino Albertelli Protective headwear
EP3253243B1 (en) 2015-02-04 2020-04-01 Oxford University Innovation Limited An impact absorbing structure and a helmet comprising such a structure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222681A1 (de) * 1982-06-16 1983-12-22 Egon 4830 Gütersloh Busch Schutzhelm und verfahren zum herstellen von schutzhelmen
FR2542668A1 (fr) * 1983-03-15 1984-09-21 Claude Morin Procede de fabrication d'un element a surface courbe a partir d'une planche rigide d'un materiau du type " nid d'abeilles " et produit obtenu
EP0123572A1 (fr) * 1983-03-15 1984-10-31 Claude Morin Procédé de fabrication d'un élément à surface courbe à partir d'une planche rigide d'un matériau du type "nid d'abeilles" et produit obtenu
US4548665A (en) * 1983-03-15 1985-10-22 Immolding Establishment Method for manufacturing an element having a curved surface from a rigid panel of a material of the "honeycomb" type and the product obtained
WO1986003383A1 (en) * 1984-12-11 1986-06-19 Airsorb Pty. Ltd. Protective helmet and locking means
WO1994000031A1 (en) * 1992-06-27 1994-01-06 Brine, Christopher, Andrew Safety helmets
US5561866A (en) * 1992-06-27 1996-10-08 Leslie Ross Safety Helmets
WO2014177872A1 (en) * 2013-04-30 2014-11-06 Aldino Albertelli Protective headwear
US11122848B2 (en) 2013-04-30 2021-09-21 Aldino Albertelli Protective headwear
EP3253243B1 (en) 2015-02-04 2020-04-01 Oxford University Innovation Limited An impact absorbing structure and a helmet comprising such a structure

Also Published As

Publication number Publication date
FR2346992B1 (enExample) 1979-05-11

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Legal Events

Date Code Title Description
ST Notification of lapse