WO2008090349A1 - Casque de sécurité - Google Patents

Casque de sécurité Download PDF

Info

Publication number
WO2008090349A1
WO2008090349A1 PCT/GB2008/000250 GB2008000250W WO2008090349A1 WO 2008090349 A1 WO2008090349 A1 WO 2008090349A1 GB 2008000250 W GB2008000250 W GB 2008000250W WO 2008090349 A1 WO2008090349 A1 WO 2008090349A1
Authority
WO
WIPO (PCT)
Prior art keywords
lining
outer shell
fastening device
protective helmet
accordance
Prior art date
Application number
PCT/GB2008/000250
Other languages
English (en)
Inventor
Everitt William Vero
Ian Beattie
Original Assignee
Design Headwear Limited
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 Design Headwear Limited filed Critical Design Headwear Limited
Publication of WO2008090349A1 publication Critical patent/WO2008090349A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C2/00—Manufacturing helmets by processes not otherwise provided for
    • 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
    • A42B3/08—Chin straps or similar retention devices

Definitions

  • This invention relates to a safety helmet having an impact absorbing outer shell and components such as a chin strap to retain the helmet on a user's head, a head band providing cushioning around the rim area for comfort and impact absorption, a neck curtain and a shock absorbing material lining the inside of the shell.
  • the helmet may include the aforesaid features either alone or in combination depending on intended use.
  • Safety helmets are known and are used in a variety of different environmental situations their purpose being to reduce potential injuries to the head of a user.
  • helmets are used by motorcyclists and pedal cyclists, mountaineers, construction site workers and in many leisure and sporting pursuits such as canoeing, parachuting and pot- holing.
  • motorcyclists and pedal cyclists mountaineers
  • construction site workers in many leisure and sporting pursuits such as canoeing, parachuting and pot- holing.
  • a desirable requirement for a safety helmet would therefore be a construction which is relatively simple to produce and which is capable of meeting the requirements for many different pursuits.
  • Helmet constructions generally comprise an outer shell to which is secured around the inner periphery of the rim by means of adhesive, rivets, metal fixtures or other fixings a headband for comfort padding or a neck curtain with, if required, a chin strap for retaining the helmet on a user's head.
  • the disadvantages are that separate attachments are needed for fixing the components to the shell with the risk of detachment or corrosion through use.
  • This invention seeks to provide a helmet construction and a method of manufacture which includes, at least in the preferred embodiments, a simplified and integrated assembly of the components.
  • a protective helmet including a moulded impact resisting outer shell and an inner lining member or a fastening device, characterised in that an attachment portion of the lining or of the fastening device is incorporated into the outer shell during the moulding thereof.
  • the attachment portion of the lining or of the fastening device is embedded within the outer shell during the moulding thereof.
  • the inner lining may be shock-absorbing.
  • a peripheral skirt part of the lining forms the attachment portion, said portion being incorporated into the rim of the outer shell during the moulding thereof.
  • the fastening device may comprise a chin strap the attachment portions of which are embedded within and extend through the crown of the outer shell.
  • the helmet includes both a lining and a fastening device secured by embedding fixing parts into the material of the shell.
  • This invention provides also a method for the production of a protective helmet using a mould having an inner part and an outer part defining therebetween a cavity conforming to the outer shell dimensions, which method comprises locating the attachment portion of the lining or of the fastening device, or both, at selected locations within the cavity; introducing a flowable plastics composition into the cavity; allowing the composition to set to form the shell and removing the shell from the mould with the attachment positions of the lining and fastening device embedded therein.
  • the internal components of a safety helmet such as the lining or the strap is secured by embedding into the outer shell during the moulding thereof.
  • lining embraces the soft components of a safety helmet such as the headband, internal padding, neck curtain as well as the chin strap for adapting the helmet shell to the head of a wearer.
  • Figure 1 shows a chin-strap, head band and neck curtain assembly prior to connection with a helmet shell
  • Figure 2 shows a view as in Figure 1 but with part of the head band turned inwardly to a position in which it would lie in use and within the outer shell;
  • Figure 3 shows a helmet with an impact resisting outer shell incorporating the assembly of Figures 1 and 2;
  • Figure 4 shows the components of a modified construction
  • Figures 5A and 5B illustrate the moulding process for a helmet according to the invention.
  • a protective helmet has an impact resisting outer shell 1 ( Figure 3) of a plastics material and a lining part which includes an integral chin-strap 2 and neck curtain 3 connected by stitching 3a to a combined head band and internal lining 4 of a fleece material.
  • the edge parts 3a of the neck curtain 3 and head band 4 form a skirt for connection with the outer shell as explained later. This being more clearly shown in Figures 1 and 2.
  • Figure 1 shows the lining 4 prior to connection with the helmet 1
  • Figure 2 shows the lining turned inwardly over the skirt 3b where it would lie in use around the inside of the shell with the skirt 3b forming a rim for attachment to the outer shell.
  • Ventilation apertures 5 may be included in the neck curtain.
  • the chin-strap may continue as shown in a loop 6 around the shell.
  • Figure 4 shows a view of the separated components of a modified construction comprising the outer shell 1 with connection loop 6 and neck curtain 3 but without the internal lining 4 in this case. Additional impact protection is provided by an inner ventilated core 7 including an aluminium foil layer offering a degree of protection from electromagnetic radiation.
  • connection of the chin-strap 2, neck curtain 3, head band 4 and connecting loop 6 to the outer shell 1 is made through the skirt part 3 b which is embedded within the material of the outer shell during the moulding process.
  • the mould used has an outer female part 50 and an inner male part 51 which are assembled to define a cavity 52 conforming to the required dimensions of the outer shell 1.
  • the skirt part 3b of the neck curtain 3 and the loop 6 are assembled within the open side of the cavity 52 between the male part 51 and female part 52.
  • a closure plate 54 is then located over the cavity with the plate having cut outs to accommodate the protruding parts of the neck curtain 3.
  • a plastics composition is then poured or injected into the mould cavity and allowed to set or harden.
  • the plastics composition preferably comprises a high density polyurethane which may be a foam of the "self-skinning" kind and following completion of the moulding process the helmet is removed and trimmed as necessary.
  • the advantage of this invention is that the skirt 3 b of the lining with the chin strap, if used, is firmly embedded within the rim of the outer shell 1 forming an integrated structure without the requirement for additional fixing means.
  • the loop 6 passes through the shell in the crown forming a continuous connection offering excellent strength.
  • this invention provides a protective helmet including a moulded impact resisting outer shell and an inner lining member or a fastening device, characterised in that an attachment portion of the lining or of the fastening device is incorporated into the outer shell during the moulding thereof.
  • the helmet may be formed as a one-piece moulding. The moulding does not require an additional external shell.
  • the headband, neck curtain and retention system may be moulded into the moulding.
  • the chin strap may be one piece moulded over the top of the helmet with no anchorage points.
  • An inlay may be provided to upgrade performance protection with an aluminium layer for both thermal and radiation insulation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Helmets And Other Head Coverings (AREA)

Abstract

L'invention concerne un casque de protection comprenant une coque externe, moulée, résistant aux chocs, et un élément de revêtement interne ou un dispositif de fixation. Le casque de protection est caractérisé par le fait qu'une partie de fixation du revêtement ou du dispositif de fixation est incorporée dans la coque externe pendant le moulage de celle-ci.
PCT/GB2008/000250 2007-01-24 2008-01-24 Casque de sécurité WO2008090349A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0701356A GB2445914A (en) 2007-01-24 2007-01-24 Moulded helmet
GB0701356.8 2007-01-24

Publications (1)

Publication Number Publication Date
WO2008090349A1 true WO2008090349A1 (fr) 2008-07-31

Family

ID=37872707

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2008/000250 WO2008090349A1 (fr) 2007-01-24 2008-01-24 Casque de sécurité

Country Status (2)

Country Link
GB (1) GB2445914A (fr)
WO (1) WO2008090349A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2357598B1 (es) * 2010-12-31 2012-04-04 Leocadio Ramos Venegas Casco para motoristas.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013560A1 (fr) * 1990-03-15 1991-09-19 Rex Handels & Industri Ab Dispositif pour casque
US5083321A (en) * 1987-08-28 1992-01-28 Lennart Davidsson Headgear with securing structure for support straps
US20020112277A1 (en) * 2001-02-15 2002-08-22 Musal Michael J. Removable mounting bracket for expanded plastic foam articles
WO2004006706A1 (fr) * 2002-07-15 2004-01-22 Rem Line S.R.L. Procede de fabrication de casques pour motocyclistes et casques ainsi obtenus
US20060026742A1 (en) * 2004-08-03 2006-02-09 Arne Lang-Ree Helmet protection system
EP1627575A1 (fr) * 2004-08-17 2006-02-22 DSG HELMET S.r.l. Casque intégral et procédé pour fabriquer celui-ci

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0613216Y2 (ja) * 1991-01-29 1994-04-06 昭栄化工株式会社 ヘルメット
WO2000035307A1 (fr) * 1998-12-11 2000-06-22 Cunningham, Gary, Richard Casque et procede de fabrication dudit casque
US6609254B2 (en) * 2001-02-28 2003-08-26 E. D. Bullard Company Protective helmet and method of making same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083321A (en) * 1987-08-28 1992-01-28 Lennart Davidsson Headgear with securing structure for support straps
WO1991013560A1 (fr) * 1990-03-15 1991-09-19 Rex Handels & Industri Ab Dispositif pour casque
US20020112277A1 (en) * 2001-02-15 2002-08-22 Musal Michael J. Removable mounting bracket for expanded plastic foam articles
WO2004006706A1 (fr) * 2002-07-15 2004-01-22 Rem Line S.R.L. Procede de fabrication de casques pour motocyclistes et casques ainsi obtenus
US20060026742A1 (en) * 2004-08-03 2006-02-09 Arne Lang-Ree Helmet protection system
EP1627575A1 (fr) * 2004-08-17 2006-02-22 DSG HELMET S.r.l. Casque intégral et procédé pour fabriquer celui-ci

Also Published As

Publication number Publication date
GB0701356D0 (en) 2007-03-07
GB2445914A (en) 2008-07-30

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