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WO2009005189A1 - Coussinet pour absorber les chocs et casque l'utilisant - Google Patents

Coussinet pour absorber les chocs et casque l'utilisant Download PDF

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Publication number
WO2009005189A1
WO2009005189A1 PCT/KR2007/006672 KR2007006672W WO2009005189A1 WO 2009005189 A1 WO2009005189 A1 WO 2009005189A1 KR 2007006672 W KR2007006672 W KR 2007006672W WO 2009005189 A1 WO2009005189 A1 WO 2009005189A1
Authority
WO
WIPO (PCT)
Prior art keywords
percussion
absorbing
absorbing pad
elastic member
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.)
Ceased
Application number
PCT/KR2007/006672
Other languages
English (en)
Other versions
WO2009005189A8 (fr
Inventor
Jae Sang An
Dae Hoon Lee
Tae Hong Kang
Dae Chon Ma
Han Na Yoon
Gi Soo Chung
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.)
Korea Institute of Industrial Technology KITECH
Original Assignee
Korea Institute of Industrial Technology KITECH
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 Korea Institute of Industrial Technology KITECH filed Critical Korea Institute of Industrial Technology KITECH
Publication of WO2009005189A1 publication Critical patent/WO2009005189A1/fr
Publication of WO2009005189A8 publication Critical patent/WO2009005189A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/04—Soft caps; Hoods
    • A42B1/08—Soft caps; Hoods with protection against blows
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/018—Hats; Caps; Hoods with means for protecting the eyes, ears or nape, e.g. sun or rain shields; with air-inflated pads or removable linings
    • A42B1/0189—Linings
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B1/00—Hats; Caps; Hoods
    • A42B1/04—Soft caps; Hoods
    • A42B1/041—Peakless soft head coverings, e.g. turbans or berets
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42C—MANUFACTURING OR TRIMMING HEAD COVERINGS, e.g. HATS
    • A42C1/00—Manufacturing hats

Definitions

  • the present disclosure relates to a percussion absorbing pad and a helmet using the same that are capable of absorbing externally-incurred percussions, and more particularly, to a pad for hats that is formed of an elastic material that is light with good moisture permeability and is manufactured using ultrasonic bonding technology, and to a helmet using the pad.
  • the related art includes helmets for protection against percussion that are manufactured with memory foam or other shock absorbing material included in the helmet.
  • conventional shock absorbing materials such as memory foam have unfavorable moisture permeability, so that when conventionally applied as shock absorption liners or sterile headgear, they cannot be worn for prolonged periods. Further, the bulk of these materials renders them inconducive to applications in which they must be worn for extended durations. Disclosure of Invention
  • an object of the present invention is to provide a percussion absorbing pad that is light and has outstanding moisture permeability and sufficient shock absorbing qualities.
  • Another object of the present invention is to provide a helmet employing the above percussion absorbing pad.
  • a further object of the present invention is to provide a method for manufacturing the above percussion absorbing pad.
  • a percussion absorbing pad in accordance with an aspect of the present invention is formed as a percussion absorbing elastic member of a three-dimensional elastic fiber in a hemispheric shape, and includes a percussion absorbing bonded portion formed on at least two symmetrically opposed locations of the percussion absorbing pad.
  • the elastic member may be a three-dimensional structure including an upper layer and a lower layer in netting configurations, and a middle layer with a spring configuration interposed between the upper layer and the lower layer.
  • a helmet in accordance with another aspect of the present invention includes a cap for wearing on a head, and a hood connected to the cap, and defining a facial opening, wherein a percussion absorbing pad is built into the cap.
  • a method of manufacturing a hat-shaped percussion absorbing pad formed as a three-dimensional elastic member includes cutting the elastic member into a round shape, cutting at least two mutually symmetrical and opposed triangles out from the roundly-cut elastic member, overlapping adjacent pairs of cut edges, and bonding the overlapped pairs of cut edges.
  • the cutting out and the bonding may include positioning regions of the elastic member to be cut or bonded between an ultrasound generator and a roller, generating ultrasound from the ultrasound generator, and cutting or bonding fabric forming the elastic member with oscillation-induced frictional heat generated through an oscillation frequency difference between the ultrasound generator and the roller.
  • the percussion absorbing pad and the helmet using the same according to the present invention have superb moisture permeability and are capable of sufficiently absorbing percussions. [17] Also, by providing a light-weight helmet, a user is not fatigued by wearing the helmet for a prolonged duration, and the dimensions of the helmet can be reduced for storage, due to its flexibility.
  • FIG. 1 is a perspective view of a percussion absorbing helmet according to an embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of the helmet in Fig. 1.
  • FIG. 3 is diagram illustrating a percussion absorbing pad according to another embodiment of the present invention.
  • FIGS. 4 and 5 are diagrams illustrating the material for a percussion absorbing pad according to a further embodiment of the present invention.
  • FIG. 6 is a diagram illustrating the manufacturing process and manufacturing equipment for a percussion absorbing pad according to a further embodiment of the present invention.
  • FIGS. 7 through 11 are diagrams illustrating various configurations of percussion absorbing pads according to further embodiments of the present invention.
  • FIG. 1 is a perspective view of a helmet including a percussion absorbing pad according to an embodiment of the present invention.
  • a protective helmet 100 is configured extending from the head region to the jugular region in order to be used as a dustproof or sterile helmet that exposes only a portion of the face.
  • the helmet 100 is configured with a cap portion at the top for enclosing the head, and a hood portion for enclosing the chin and neck while exposing a portion of the face through an open front portion at the front.
  • a percussion absorbing pad 200 according to the present invention is disposed at the upper cap portion to protect the head.
  • the helmet 100 has an open portion at the front for exposing the face, and a coupling portion formed of a Velcro member at the bottom of the open portion to couple and expose only the facial portion when the helmet 100 is fully worn, so that the parts of the head and hood portion with the exception of the open portion cover the user.
  • the pad 200 is exemplarily illustrated in FIG. 1 as a percussion absorbing helmet or a sterile helmet for work wear headgear applications, the percussion absorbing pad 200 may also be built into a sportswear cap and other gear for protecting the head of a user.
  • FIG. 2 is an exploded perspective view of the helmet 100 in Fig. 1, clearly illustrating the configuration of the percussion absorbing pad 200.
  • the percussion absorbing pad 200 is formed of an elastic member
  • the elastic member 220 may also include a supporting member 230, and an upper member 210 and a lower member 240 enclosing the elastic member 220 and/or the supporting member 230.
  • the elastic member 220 may be made of a three-dimensional elastic material, formed of layers of fibers arranged to form a mesh and spring structure that is light and three-dimensional. The structure of the elastic member 220 will be described in detail below.
  • a percussion absorbing pad according to one embodiment of the present layer is an elastic member 220 of a hemispheric shape that is built into a hat to form a protective helmet.
  • a hemispheric percussion absorbing pad 200 may be formed with an upper cover 210 and a lower cover 240 covering the latter.
  • the percussion absorbing pad 200 may be used as a separate helmet in itself, or used to supplement protection provided by another hat when used together with various other kinds of hats, such as percussion absorbing hats, sterile hats, etc.
  • the supporting member 230 maintains the shape of a hat to absorb shocks, and may be included together with the percussion absorbing pad 200 or may be built into a protective helmet together with the percussion absorbing pad 200.
  • the hat 100 illustrated in FIG. 1 is integrally formed with the percussion absorbing pad provided with only the elastic member 220, built into the hat 100.
  • a separate percussion absorbing pad 200 with an upper cover 210 and lower cover 240 covering an elastic member 200 and including a supporting member 230, may be used together with a related art percussion absorbing/sterile hat made of cloth, to supplement the protection provided by the hat.
  • FIG. 3 is diagram illustrating the process of forming a hemispheric elastic member
  • portions opposite one another at four positions may be cut out, after which adjacent cut portions may be overlapped to form an approximately hemispheric shape.
  • the elastic member 220 by itself, or together with the upper cover 210 and the lower cover 240, forms the percussion absorbing pad 200 in a three- dimensional regular shape, in order to provide sufficient percussion absorption and high moisture permeability.
  • FIGS. 4 and 5 are a cutaway perspective view and a sectional view, respectively, of an elastic member 220 according to a further embodiment of the present invention.
  • an elastic member 220 includes an upper layer, a middle layer 223, and a lower layer 224.
  • the upper layer 222 and lower layer 224 maintain the shape of the elastic member 220 and prevent it from being damaged by being formed of polyester configured as thick netting, and the middle layer 223 is formed in a spring shape from a nylon material to impart elasticity.
  • the cutting and bonding of the elastic member 220 may be performed employing ultrasonic cutting and bonding techniques.
  • an object for cutting or bonding is placed between an ultrasound generator and a roller opposite the generator. After the ultrasound generator and the roller are positioned in proximity, ultrasound is generated by the ultrasound generator to induce oscillations. Oscillation-induced frictional heat is generated by the difference in the oscillation frequencies of the ultrasound generator and the roller, and the heat is conducted to the object to cut or fuse and bond the object.
  • ultrasonic energy spontaneously applies frictional heat to thermally plastic material such as the elastic member 220 of the present invention, performing strong molecular bonding between overlapping parts of an elastic member.
  • the roller induces oscillation-induced friction, and also applies an adequate amount of pressure for cutting or bonding.
  • FIG. 6 is a diagram illustrating two cut surfaces of an elastic member 220 being bonded using an ultrasonic bonder.
  • an elastic member 220 that is to be bonded is disposed in an overlapping state between an ultrasound generator 310 and a roller 320, and the roller 320 applies an adequate amount of pressure as ultrasound is generated, thereby fusing the overlapped portions of the elastic member 220 together through a difference in oscillation frequencies.
  • roller 320 While the leading end of the roller 320 is illustrated as a pin in FIG. 6, it is but one example, and a variety of rollers with different widths may be used according to their suitability for different shapes and materials of objects for cutting or bonding.
  • the bonded portions are positioned to help maintain the hemispheric shape, and to also absorb shocks inflicted from the outside.
  • FIGS. 7 through 11 are diagrams illustrating different positions of bonded portions
  • the bonded portions 221 in FIG. 7 are positioned at the front, rear, and sides of the percussion absorbing pad 200, where percussions are most likely to occur.
  • the supporting member 230 is disposed in alternation with the bonded portions 221 to aid in maintaining the shape of the percussion absorbing pad 200 and absorbing shocks.
  • FIG. 8 While the embodiment shown in FIG. 8 is similar to that in FIG. 7, the former has been rotated by 45° about the center, so that the supporting members 230 are disposed at the front and rear of the left and right sides of the percussion absorbing pad 200', and the bonded portions 221 are disposed in alternation with the supporting member 230.
  • the supporting member 230 is disposed to form percussion absorbing pads 220" and 220'".
  • the bonding portions 221 maintain the shape of the percussion absorbing pad 220"" and absorb shock by themselves, without the supporting members 230.
  • a percussion absorbing pad and a helmet using the same according to the present invention form a lightweight helmet that has superb moisture permeability and sufficient shock absorption capability, so that prolonged wear does not induce fatigue in a user. Also, because the helmet is flexible, it occupies less storage space. Accordingly, it is suitable for use in many areas, including safety helmets used at construction sites and other hazardous places, helmets worn by athletes of sports with high accident incidence, and helmets worn by motorcycle riders.

Landscapes

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

Abstract

L'invention propose un coussinet d'absorption de chocs et un casque l'utilisant. Le coussinet d'absorption de chocs et le casque sont formés tel un élément élastique d'absorption de choc à partir d'une fibre élastique à trois dimensions en une forme hémisphérique, et comprennent une partie liée d'absorption de choc formée sur au moins deux emplacements symétriquement opposés du coussinet d'absorption de choc. Le coussinet d'absorption de choc et le casque l'utilisant présentent une excellente caractéristique en terme de souplesse et une aptitude à l'absorption des chocs suffisante.
PCT/KR2007/006672 2007-07-03 2007-12-20 Coussinet pour absorber les chocs et casque l'utilisant Ceased WO2009005189A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070066596A KR100856020B1 (ko) 2007-07-03 2007-07-03 충격흡수용 패드 및 이를 채택한 보호모
KR10-2007-0066596 2007-07-03

Publications (2)

Publication Number Publication Date
WO2009005189A1 true WO2009005189A1 (fr) 2009-01-08
WO2009005189A8 WO2009005189A8 (fr) 2009-04-16

Family

ID=40022269

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2007/006672 Ceased WO2009005189A1 (fr) 2007-07-03 2007-12-20 Coussinet pour absorber les chocs et casque l'utilisant

Country Status (2)

Country Link
KR (1) KR100856020B1 (fr)
WO (1) WO2009005189A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122463A1 (fr) * 2013-02-06 2014-08-14 Hard Hood Clothing Ltd. Vêtement à capuche équipé d'une protection contre les chocs

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101128764B1 (ko) 2009-10-23 2012-04-13 (주)청림인터내셔날 전방 내측의 보강 패드를 구비한 두건 모자

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6401262B2 (en) * 2000-05-18 2002-06-11 Benetton Group S.P.A. Protection implement, particularly for use in sports practice
KR200366134Y1 (ko) * 2004-07-13 2004-11-03 선하통상 (주) 위생모자
JP2005163228A (ja) * 2003-12-03 2005-06-23 Tokushu Iryo:Kk 保護帽
KR20060100594A (ko) * 2005-03-17 2006-09-21 주식회사유풍 모자 및 그의 제조 방법
KR100685665B1 (ko) * 2006-05-02 2007-02-26 한국생산기술연구원 초음파 융착을 이용한 안전보호복의 제조방법 및 제조장치
JP2007107162A (ja) * 2005-10-17 2007-04-26 Il Chapeau:Kk 帽子

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6401262B2 (en) * 2000-05-18 2002-06-11 Benetton Group S.P.A. Protection implement, particularly for use in sports practice
JP2005163228A (ja) * 2003-12-03 2005-06-23 Tokushu Iryo:Kk 保護帽
KR200366134Y1 (ko) * 2004-07-13 2004-11-03 선하통상 (주) 위생모자
KR20060100594A (ko) * 2005-03-17 2006-09-21 주식회사유풍 모자 및 그의 제조 방법
JP2007107162A (ja) * 2005-10-17 2007-04-26 Il Chapeau:Kk 帽子
KR100685665B1 (ko) * 2006-05-02 2007-02-26 한국생산기술연구원 초음파 융착을 이용한 안전보호복의 제조방법 및 제조장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014122463A1 (fr) * 2013-02-06 2014-08-14 Hard Hood Clothing Ltd. Vêtement à capuche équipé d'une protection contre les chocs
GB2524215A (en) * 2013-02-06 2015-09-16 Hard Hood Clothing Ltd Hooded garment with impact protection
GB2524215B (en) * 2013-02-06 2017-09-27 Hard Hood Clothing Ltd Impact protection insert for hooded garment

Also Published As

Publication number Publication date
WO2009005189A8 (fr) 2009-04-16
KR100856020B1 (ko) 2008-09-02

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