DE3867688D1 - Aus im wesentlichen auf einem polyisocyanurat basierendem verbundwerkstoff hergestellter schutzhelm. - Google Patents

Aus im wesentlichen auf einem polyisocyanurat basierendem verbundwerkstoff hergestellter schutzhelm.

Info

Publication number
DE3867688D1
DE3867688D1 DE8888105186T DE3867688T DE3867688D1 DE 3867688 D1 DE3867688 D1 DE 3867688D1 DE 8888105186 T DE8888105186 T DE 8888105186T DE 3867688 T DE3867688 T DE 3867688T DE 3867688 D1 DE3867688 D1 DE 3867688D1
Authority
DE
Germany
Prior art keywords
polyisocyanurate
composite material
material based
group
protective 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.)
Expired - Fee Related
Application number
DE8888105186T
Other languages
English (en)
Inventor
Eugenio Bianchin
Luigi Longoni
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.)
ECP Enichem Polimeri SRL
Original Assignee
ECP Enichem Polimeri 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 ECP Enichem Polimeri SRL filed Critical ECP Enichem Polimeri SRL
Application granted granted Critical
Publication of DE3867688D1 publication Critical patent/DE3867688D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Helmets And Other Head Coverings (AREA)
  • Reinforced Plastic Materials (AREA)
  • Details Of Resistors (AREA)
  • Road Signs Or Road Markings (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
DE8888105186T 1987-04-01 1988-03-30 Aus im wesentlichen auf einem polyisocyanurat basierendem verbundwerkstoff hergestellter schutzhelm. Expired - Fee Related DE3867688D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8719925A IT1215403B (it) 1987-04-01 1987-04-01 Caschi protettivi costituiti da compositi a base essenzialmente poliisocianurica

Publications (1)

Publication Number Publication Date
DE3867688D1 true DE3867688D1 (de) 1992-02-27

Family

ID=11162390

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888105186T Expired - Fee Related DE3867688D1 (de) 1987-04-01 1988-03-30 Aus im wesentlichen auf einem polyisocyanurat basierendem verbundwerkstoff hergestellter schutzhelm.

Country Status (5)

Country Link
EP (1) EP0288771B1 (de)
AT (1) ATE71495T1 (de)
DE (1) DE3867688D1 (de)
ES (1) ES2033355T3 (de)
IT (1) IT1215403B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423194A1 (de) * 1994-07-01 1996-01-04 Triumph International Ag Verfahren zur Herstellung von Ausformungen in Flächengebilden aus aromatischen Polyamiden

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1285052A (en) * 1969-03-27 1972-08-09 Ici Ltd Polymers
US3817939A (en) * 1973-02-21 1974-06-18 Minnesota Mining & Mfg Organic carbonate salts as isocyanate trimerization catalysts
IT1190432B (it) * 1985-12-10 1988-02-16 Montedison Spa Compositi ad alta densita' a base essenzialmente poliisocianurica

Also Published As

Publication number Publication date
EP0288771A3 (en) 1989-08-23
IT8719925A0 (it) 1987-04-01
EP0288771B1 (de) 1992-01-15
IT1215403B (it) 1990-02-08
ATE71495T1 (de) 1992-02-15
ES2033355T3 (es) 1993-03-16
EP0288771A2 (de) 1988-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee