CA2115695C - Double walled crash helmet with sealed breakthroughs and manufacturing technique - Google Patents

Double walled crash helmet with sealed breakthroughs and manufacturing technique

Info

Publication number: CA2115695C
Authority: CA; Canada
Prior art keywords: helmet; shell; shells; air; bicycle
Prior art date: 1993-02-25
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

CA002115695A

Other languages

English (en)

French (fr)

Other versions

CA2115695A1 (en

Inventor

Gerhard Sperber

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.)

1993-02-25

Filing date

1994-02-15

Publication date

1998-09-15

1993-02-25 Priority claimed from DE19934305745 external-priority patent/DE4305745C2/de

1993-08-09 Priority claimed from DE9311851U external-priority patent/DE9311851U1/de

1993-08-09 Priority claimed from DE19934326667 external-priority patent/DE4326667C2/de

1993-08-31 Priority claimed from DE19934329297 external-priority patent/DE4329297A1/de

1994-02-15 Application filed by Individual filed Critical Individual

1994-08-26 Publication of CA2115695A1 publication Critical patent/CA2115695A1/en

1998-09-15 Application granted granted Critical

1998-09-15 Publication of CA2115695C publication Critical patent/CA2115695C/en

2014-02-15 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims description 17
238000000034 method Methods 0.000 title claims description 12
230000035939 shock Effects 0.000 claims abstract description 7
239000012530 fluid Substances 0.000 claims abstract 2
239000004033 plastic Substances 0.000 claims description 50
229920003023 plastic Polymers 0.000 claims description 50
230000002787 reinforcement Effects 0.000 claims description 30
239000000463 material Substances 0.000 claims description 23
-1 polyethylene Polymers 0.000 claims description 8
229920000515 polycarbonate Polymers 0.000 claims description 6
239000004417 polycarbonate Substances 0.000 claims description 6
239000004952 Polyamide Substances 0.000 claims description 5
239000004698 Polyethylene Substances 0.000 claims description 5
239000004793 Polystyrene Substances 0.000 claims description 5
229920002647 polyamide Polymers 0.000 claims description 5
229920000573 polyethylene Polymers 0.000 claims description 5
229920002223 polystyrene Polymers 0.000 claims description 5
239000007850 fluorescent dye Substances 0.000 claims description 4
GDVWDDRKKYMHKS-UHFFFAOYSA-N hepta-1,4,6-trien-3-one;styrene Chemical compound C=CC=CC(=O)C=C.C=CC1=CC=CC=C1 GDVWDDRKKYMHKS-UHFFFAOYSA-N 0.000 claims description 4
239000000049 pigment Substances 0.000 claims description 4
238000005520 cutting process Methods 0.000 claims description 3
238000005728 strengthening Methods 0.000 claims 4
238000000071 blow moulding Methods 0.000 claims 3
229920005606 polypropylene copolymer Polymers 0.000 claims 2
238000003825 pressing Methods 0.000 claims 1
238000010521 absorption reaction Methods 0.000 description 15
238000007664 blowing Methods 0.000 description 8
230000000694 effects Effects 0.000 description 8
229920006248 expandable polystyrene Polymers 0.000 description 7
238000010276 construction Methods 0.000 description 6
239000006260 foam Substances 0.000 description 5
229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 3
239000004676 acrylonitrile butadiene styrene Substances 0.000 description 3
229920000139 polyethylene terephthalate Polymers 0.000 description 3
239000005020 polyethylene terephthalate Substances 0.000 description 3
230000035882 stress Effects 0.000 description 3
239000000126 substance Substances 0.000 description 3
239000004743 Polypropylene Substances 0.000 description 2
238000005273 aeration Methods 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
230000006378 damage Effects 0.000 description 2
239000006261 foam material Substances 0.000 description 2
229920001155 polypropylene Polymers 0.000 description 2
238000003466 welding Methods 0.000 description 2
239000006096 absorbing agent Substances 0.000 description 1
230000001154 acute effect Effects 0.000 description 1
238000004026 adhesive bonding Methods 0.000 description 1
239000003086 colorant Substances 0.000 description 1
230000006835 compression Effects 0.000 description 1
238000007906 compression Methods 0.000 description 1
239000013013 elastic material Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
239000011888 foil Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
239000002245 particle Substances 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
230000001360 synchronised effect Effects 0.000 description 1
230000008646 thermal stress Effects 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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
- A42B3/066—Impact-absorbing shells, e.g. of crash helmets specially adapted for cycling helmets, e.g. for soft shelled helmets
- 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
- 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
- A42B3/28—Ventilating arrangements
- A42B3/281—Air ducting systems
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
- A42C2/00—Manufacturing helmets by processes not otherwise provided for

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Helmets And Other Head Coverings (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

CA002115695A 1993-02-25 1994-02-15 Double walled crash helmet with sealed breakthroughs and manufacturing technique Expired - Fee Related CA2115695C (en)

Applications Claiming Priority (10)

Application Number	Priority Date	Filing Date	Title
DEP4305745.4		1993-02-25
DE19934305745 DE4305745C2 (de)	1993-02-25	1993-02-25	Verfahren zur Herstellung eines Fahrradsturzhelmes aus Kunststoff, sowie nach diesem Verfahren hergestellter Fahrradsturzhelm
DEG9311851.1		1993-08-09
DE9311851U DE9311851U1 (de)	1993-08-09	1993-08-09	Fahrradsturzhelm aus Kunststoff
DEP4326667.3		1993-08-09
DE19934326667 DE4326667C2 (de)	1993-02-25	1993-08-09	Fahrradsturzhelm aus Kunststoff, sowie Verfahren zu seiner Herstellung
DEP4329297.6		1993-08-31
DE19934329297 DE4329297A1 (de)	1993-08-31	1993-08-31	Fahrradsturzhelm
US12192193A	1993-09-17	1993-09-17
US08/121,921		1993-09-17

Publications (2)

Publication Number	Publication Date
CA2115695A1 CA2115695A1 (en)	1994-08-26
CA2115695C true CA2115695C (en)	1998-09-15

Family

ID=27511655

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002115695A Expired - Fee Related CA2115695C (en)	1993-02-25	1994-02-15	Double walled crash helmet with sealed breakthroughs and manufacturing technique

Country Status (8)

Country	Link
EP (1)	EP0612483B1 (de)
JP (1)	JPH06280105A (de)
AT (1)	ATE164292T1 (de)
AU (1)	AU668266B2 (de)
CA (1)	CA2115695C (de)
DE (1)	DE59308311D1 (de)
DK (1)	DK0612483T3 (de)
ES (1)	ES2116392T3 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE29513208U1 (de) *	1995-08-17	1995-10-19	Knauer, Hans-Georg, 71691 Freiberg	Fahrradhelm
JP2001020121A (ja) *	1999-07-02	2001-01-23	Wise Gear:Kk	ヘルメット
US6996856B2 (en)	2002-09-09	2006-02-14	Puchalski Ione G	Protective head covering having impact absorbing crumple zone
US7076811B2 (en)	2002-09-09	2006-07-18	Puchalski Ione G	Protective head covering having impact absorbing crumple or shear zone
CA2401929C (en) *	2002-09-09	2010-11-09	Ione G. Puchalski	Sports helmet having impact absorbing crumple or shear zone
JP5572891B2 (ja) *	2010-09-30	2014-08-20	ゼット株式会社	野球又はソフトボールの捕手用ヘルメット
DE102019006117A1 (de) *	2019-08-29	2021-03-04	Sqlab Gmbh	Fahrradhelm mit Dämpfungselement
CN112008987A (zh) *	2020-08-14	2020-12-01	安徽润宏塑料制品有限公司	安全帽顶带的压装方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB487643A (en) *	1936-10-21	1938-06-23	Emil Furler	Improvements in or relating to helmets
GB945412A (en) *	1961-07-15	1963-12-23	Christy And Company Ltd	Improvements in or relating to protective headgear
US3425061A (en) *	1967-09-08	1969-02-04	Daniel D Webb	Energy absorbing helmet shell
US3770483A (en) *	1968-02-28	1973-11-06	Komine Auto Center K K	Noctilucent reflective helmet
GB1367403A (en) *	1971-12-23	1974-09-18	Daly N	Protective headwear
US3813696A (en) *	1972-11-13	1974-06-04	G Yeager	Power ventilated helmet
US3872511A (en) *	1974-03-11	1975-03-25	Larcher Angelo C	Protective headgear
US3877076A (en) *	1974-05-08	1975-04-15	Mine Safety Appliances Co	Safety hat energy absorbing liner
US4075717A (en) *	1975-02-28	1978-02-28	Lemelson Jerome H	Helmate
DE2614892A1 (de) *	1976-04-06	1977-10-20	Peter F Dr Koeppel	Kopfbedeckung
US3999220A (en) *	1976-04-22	1976-12-28	Keltner Raymond O	Air-cushioned protective gear
GB1578351A (en) *	1976-12-20	1980-11-05	Du Pont Canada	Protective helmet
FR2387611A1 (fr) *	1977-04-18	1978-11-17	Noel Jean Louis	Dispositif de protection contre les chocs
US4124904A (en) *	1977-10-17	1978-11-14	Matthes John A	Protective head gear
AU544241B2 (en) *	1981-09-02	1985-05-23	Wolfgang Muller	Protection against insects
DE3344706C2 (de) *	1983-12-10	1986-07-17	Bayerische Motoren Werke AG, 8000 München	Schutzhelm für Motorradfahrer oder dergleichen
DE3530396A1 (de) *	1985-08-24	1987-02-26	Johann Andrae	Stossschutzpolster fuer die anbringung in schutzhelmen
US4845786A (en) *	1987-06-24	1989-07-11	Chiarella Michele A	Lightweight molded protective helmet
DE8715461U1 (de) *	1987-11-21	1988-03-24	Schierle, Volker, 7121 Walheim	Schutzhelm mit belüftetem Helminnenraum
US5023117A (en) *	1990-01-16	1991-06-11	Stephens Kimetha L	Novelty item and method of manufacture
EP0517091B1 (de) *	1991-05-31	1997-04-02	9001 6262 Quebec Inc	Schützende Kopfbedeckung

1993
- 1993-12-08 DK DK93119778T patent/DK0612483T3/da active
- 1993-12-08 EP EP93119778A patent/EP0612483B1/de not_active Expired - Lifetime
- 1993-12-08 DE DE59308311T patent/DE59308311D1/de not_active Expired - Lifetime
- 1993-12-08 AT AT93119778T patent/ATE164292T1/de not_active IP Right Cessation
- 1993-12-08 ES ES93119778T patent/ES2116392T3/es not_active Expired - Lifetime
1994
- 1994-02-15 CA CA002115695A patent/CA2115695C/en not_active Expired - Fee Related
- 1994-02-18 AU AU55230/94A patent/AU668266B2/en not_active Ceased
- 1994-02-24 JP JP6026855A patent/JPH06280105A/ja active Pending

Also Published As

Publication number	Publication date
DE59308311D1 (de)	1998-04-30
AU668266B2 (en)	1996-04-26
ATE164292T1 (de)	1998-04-15
AU5523094A (en)	1994-09-15
EP0612483B1 (de)	1998-03-25
EP0612483A1 (de)	1994-08-31
CA2115695A1 (en)	1994-08-26
DK0612483T3 (da)	1999-01-11
ES2116392T3 (es)	1998-07-16
JPH06280105A (ja)	1994-10-04

Legal Events

Date	Code	Title	Description
1994-06-28	EEER	Examination request
2005-02-15	MKLA	Lapsed

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