CA1107902A - Casque protecteur - Google Patents

Casque protecteur

Info

Publication number: CA1107902A
Authority: CA; Canada
Prior art keywords: helmet; projections; shell; outer shell; inner shell
Prior art date: 1976-12-20
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

Application number

CA332,724A

Other languages

English (en)

Inventor

Peter J. Lovell

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.)

DuPont Canada Inc

Original Assignee

DuPont Canada Inc

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.)

1976-12-20

Filing date

1979-07-26

Publication date

1981-09-01

1976-12-20 Priority claimed from GB53178/76A external-priority patent/GB1578351A/en

1979-07-26 Application filed by DuPont Canada Inc filed Critical DuPont Canada Inc

1979-07-26 Priority to CA332,724A priority Critical patent/CA1107902A/fr

1981-09-01 Application granted granted Critical

1981-09-01 Publication of CA1107902A publication Critical patent/CA1107902A/fr

Status Expired legal-status Critical Current

Links

230000001681 protective effect Effects 0.000 title claims abstract description 24
-1 polybutylene terephthalate Polymers 0.000 claims description 18
229920000573 polyethylene Polymers 0.000 claims description 17
239000004698 Polyethylene Substances 0.000 claims description 16
229920000642 polymer Polymers 0.000 claims description 13
239000000203 mixture Substances 0.000 claims description 10
239000000155 melt Substances 0.000 claims description 9
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 7
239000005977 Ethylene Substances 0.000 claims description 7
229920001577 copolymer Polymers 0.000 claims description 6
239000006260 foam Substances 0.000 claims description 6
239000000463 material Substances 0.000 claims description 6
229920000515 polycarbonate Polymers 0.000 claims description 5
239000004417 polycarbonate Substances 0.000 claims description 5
KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
239000004952 Polyamide Substances 0.000 claims description 3
230000000694 effects Effects 0.000 claims description 3
229920002647 polyamide Polymers 0.000 claims description 3
NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
239000004593 Epoxy Substances 0.000 claims description 2
229920003235 aromatic polyamide Polymers 0.000 claims description 2
239000011521 glass Substances 0.000 claims description 2
229920001707 polybutylene terephthalate Polymers 0.000 claims description 2
229920000728 polyester Polymers 0.000 claims description 2
229920006324 polyoxymethylene Polymers 0.000 claims description 2
229920000915 polyvinyl chloride Polymers 0.000 claims description 2
239000004800 polyvinyl chloride Substances 0.000 claims description 2
230000002730 additional effect Effects 0.000 claims 1
229920002678 cellulose Polymers 0.000 claims 1
239000001913 cellulose Substances 0.000 claims 1
231100001261 hazardous Toxicity 0.000 abstract description 2
238000000034 method Methods 0.000 description 12
240000000136 Scabiosa atropurpurea Species 0.000 description 11
241000003834 Scabiosa Species 0.000 description 8
241000905957 Channa melasoma Species 0.000 description 3
238000010276 construction Methods 0.000 description 3
238000000465 moulding Methods 0.000 description 3
229920002635 polyurethane Polymers 0.000 description 3
239000004814 polyurethane Substances 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 2
208000027418 Wounds and injury Diseases 0.000 description 2
238000001816 cooling Methods 0.000 description 2
230000006378 damage Effects 0.000 description 2
239000004700 high-density polyethylene Substances 0.000 description 2
229940063583 high-density polyethylene Drugs 0.000 description 2
229920001519 homopolymer Polymers 0.000 description 2
208000014674 injury Diseases 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
HYIMSNHJOBLJNT-UHFFFAOYSA-N nifedipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1[N+]([O-])=O HYIMSNHJOBLJNT-UHFFFAOYSA-N 0.000 description 2
239000010959 steel Substances 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
239000004416 thermosoftening plastic Substances 0.000 description 2
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
241000380131 Ammophila arenaria Species 0.000 description 1
101100518414 Dictyostelium discoideum orcB gene Proteins 0.000 description 1
101150053401 ORC2 gene Proteins 0.000 description 1
241001131927 Placea Species 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
241000283984 Rodentia Species 0.000 description 1
240000008042 Zea mays Species 0.000 description 1
235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
235000002017 Zea mays subsp mays Nutrition 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
239000004760 aramid Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
235000005822 corn Nutrition 0.000 description 1
CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 description 1
229920001971 elastomer Polymers 0.000 description 1
229920001903 high density polyethylene Polymers 0.000 description 1
238000009863 impact test Methods 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000001746 injection moulding Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000002674 ointment Substances 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1

Landscapes

Helmets And Other Head Coverings (AREA)

CA332,724A 1976-12-20 1979-07-26 Casque protecteur Expired CA1107902A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA332,724A CA1107902A (fr)	1976-12-20	1979-07-26	Casque protecteur

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
GB53178/76		1976-12-20
GB53178/76A GB1578351A (en)	1976-12-20	1976-12-20	Protective helmet
CA293,279A CA1107901A (fr)	1976-12-20	1977-12-16	Casque protecteur
CA332,724A CA1107902A (fr)	1976-12-20	1979-07-26	Casque protecteur

Publications (1)

Publication Number	Publication Date
CA1107902A true CA1107902A (fr)	1981-09-01

Family

ID=27165429

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA332,724A Expired CA1107902A (fr)	1976-12-20	1979-07-26	Casque protecteur

Country Status (1)

Country	Link
CA (1)	CA1107902A (fr)

1979
- 1979-07-26 CA CA332,724A patent/CA1107902A/fr not_active Expired

Legal Events

Date	Code	Title	Description
1998-09-01	MKEX	Expiry

Publication	Publication Date	Title
CA1107901A (fr)	1981-09-01	Casque protecteur
US6453476B1 (en)	2002-09-24	Protective helmet
US20240391205A1 (en)	2024-11-28	Football helmet with custom manufactured fit pods
US12427743B2 (en)	2025-09-30	Microlattice layers
AU744064B2 (en)	2002-02-14	Turf-simulating device
CA2207778C (fr)	2001-01-23	Coque de casque protecteur
CA2063814A1 (fr)	1991-01-21	Equipement de protection a element anti-rebond
EP1066765B1 (fr)	2005-06-15	Casque de sécurité et dispositif protecteur de la tête pour celui-ci
EP1125513B1 (fr)	2004-06-30	Structure stratifiée pour coque de casque
US6389607B1 (en)	2002-05-21	Soft foam sport helmet
US7062795B2 (en)	2006-06-20	Lightweight impact resistant helmet system
US5384914A (en)	1995-01-31	Sports face mask
US6189156B1 (en)	2001-02-20	Catcher's helmet with eye shield
WO2012012760A2 (fr)	2012-01-26	Casque de protection
US9062939B2 (en)	2015-06-23	Helmet cover
CA1107902A (fr)	1981-09-01	Casque protecteur
CA2425253C (fr)	2010-08-24	Casque protecteur
JPH04357010A (ja)	1992-12-10	耐衝撃用具および該耐衝撃用具の製造方法
EP4029683A1 (fr)	2022-07-20	Pièces d'ajustage sur mesure
US20210301475A1 (en)	2021-09-30	Polymeric foam material for shock pads in artificial grass systems
CN109421196A (zh)	2019-03-05	防护头盔制造方法及根据所述方法制造的防护头盔
CA2582169C (fr)	2010-03-23	Dispositif de simulation de gazon
CA2642090A1 (fr)	2010-04-24	Baton de golf en materiaux composites et methode de fabrication
CA2057855A1 (fr)	1990-11-24	Casque protecteur
CN1066606A (zh)	1992-12-02	球拍框架