[go: up one dir, main page]

EP4039117A1 - Casque - Google Patents

Casque Download PDF

Info

Publication number
EP4039117A1
EP4039117A1 EP22155299.5A EP22155299A EP4039117A1 EP 4039117 A1 EP4039117 A1 EP 4039117A1 EP 22155299 A EP22155299 A EP 22155299A EP 4039117 A1 EP4039117 A1 EP 4039117A1
Authority
EP
European Patent Office
Prior art keywords
helmet
protective shell
head
head pad
protrusions
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.)
Withdrawn
Application number
EP22155299.5A
Other languages
German (de)
English (en)
Inventor
John Robert BOFFEY
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.)
World Wide Welding Ltd
Original Assignee
World Wide Welding Ltd
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 World Wide Welding Ltd filed Critical World Wide Welding Ltd
Publication of EP4039117A1 publication Critical patent/EP4039117A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • A42B3/10—Linings
    • A42B3/12—Cushioning devices
    • 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
    • A42B3/14—Suspension devices
    • 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/225—Visors with full face protection, e.g. for industrial safety applications
    • 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
    • A42B3/286—Ventilating arrangements with forced flow, e.g. by a fan

Definitions

  • the present disclosure relates to a helmet, particularly, but not exclusively, a safety helmet.
  • Other aspects of the present disclosure relate to a PAPR kit including the helmet.
  • the helmet's shell is a rigid outer section and may be made from a variety of different materials, such as polyethylene, ABS (Acrylonitrile Butadiene Styrene), or fibreglass hardened with polyester resins.
  • the type of helmet and materials used for the shell will depend on the nature of the work performed and the expected injury hazards associated.
  • a harness is the internal part of the safety helmet (typically fastened to the inside of the shell) consisting of one or more straps made of woven bands or polyethylene.
  • the main purpose of the harness is to absorb energy from an impact on the shell and to spread the force evenly over the wearer's head, minimising the risk of harm to the user.
  • helmets are used in the military field. Such military helmet include a shell that is typically made of carbon or steel and intended to protect the user from projectiles or other forms of impact. Military grade helmets may include a harness as explained above or a foam interior to soften harmful impacts.
  • Helmets can also feature other, optional equipment, such as a chinstrap, which is designed to keep the helmet in place and prevents it from falling when users move their heads, or other protective elements, such as face or ear protection.
  • visors or optical devices e.g. night vision goggles
  • visors or optical devices are attached to a front end of the helmet, with the weight of the visor causing an imbalance. This imbalance is detrimental to optimal positioning of the helmet on a user's head, which may compromise the protection conferred by the helmet. This is because helmets are constructed to be worn in a certain position to achieve best protection. Movement of the helmet due to imbalances caused by the visor or optical devices, therefore, need to be avoided.
  • a helmet comprising a protective shell, a face shield and/or optical device connected to the protective shell; and a head pad arranged inside the protective shell such that the pad is substantially centred on a user's head, when in use, said head pad comprising a first surface facing away from the protective shell and adapted to contact a user's head, when in use, the first surface comprising a plurality of protrusions, wherein the protrusions are made of an elastic material.
  • the head pad is made of an elastic material.
  • the entire head pad is made of elastic material.
  • the head pad may be made from a single, elastic material.
  • the head pad is made of a polymeric material, particularly rubber or silicone, that provides a friction fit between the head pad and a user's head, when in use
  • the protrusions may be substantially cylindrical in shape.
  • the protrusions may have a diameter below 10mm.
  • the protrusions may have a height below 10mm.
  • Adjacent protrusions may be spaced by a gap of up to 10mm.
  • the head pad may have a thickness of 0 to 10mm.
  • the head pad has a substantially circular, oval, square, or rectangular shape.
  • the head pad comprises a second surface facing an inner surface of the protective shell, said second surface being spaced from the inner surface of the protective shell.
  • the head pad is suspended by a harness arranged inside the protective shell and configured to secure the protective shell to a user's head, when in use.
  • the harness further includes a plurality of straps connecting the head pad to the protective shell.
  • the head pad comprises a plurality of openings, and wherein each of the plurality of straps extends through at least one of the openings.
  • the head pad may not be connected to the helmet via a harness. Rather, the head pad may be attached directly (e.g. by means of an adhesive) to an inner surface of the protective shell. This may be particularly useful for military grade helmets that do not always include a harness.
  • the harness further comprises a headband connected to the plurality of straps.
  • the face shield may be a visor for welding.
  • the face shield may also be a simple transparent plastic shield, e.g. for disease control.
  • the face shield is pivotably attached to the protective shell and transferrable between an active and an inactive position.
  • the helmet comprises an airduct having an outlet at a front end of the protective shell and an inlet at rear end of the protective shell, the inlet being adapted for removably connecting an air supply hose.
  • the helmet is a safety helmet or a military helmet.
  • a PAPR kit comprising a helmet according to one of the embodiments above, an air blower unit for generation of forced air flow, and an air supply hose for supply of forced air flow from the air blower unit to the helmet.
  • FIGS 1A and 1B show side views of a helmet, particularly a safety helmet, according to an embodiment of the present invention.
  • the helmet 100 comprises a protective shell 102.
  • the protective shell may have a semi-spherical shape, as is typically the case for protective shells of helmets.
  • the helmet 100 further comprises a face shield 104.
  • the face shield 104 may be a welding mask including various elements that will protect the user from injury during welding operations.
  • the present disclosure is not limited to the use of a helmet with a faceshield or visor. Rather, the helmet may additionally or alternatively include any other equipment (e.g. optical equipment such as night vision goggles) that is connected to the front end of the protective shell.
  • the face shield 104 is pivotably connected to the protective shell 102 by means of pivots (only left pivot shown in Figures 1A and 1B ) 106.
  • the face shield is a two-part structure with a visor 108 that is pivotably connected to a face cover 110 of the face shield 104.
  • the face shield 104 of this embodiment is connected to the first pivot 106 via the face cover 110.
  • the visor 108 is connected to the face cover 110 via a second pivot 112.
  • the visor 108 may be pivoted with respect to the face cover 110 in order to remove the eye protection to allow the user a clearer view of the working environment. It will be appreciated that Figures 1A and 1B show the visor 108 in its active position, i.e. when the visor 108 is aligned with the face cover 110.
  • the face shield 104 may be fixed to the face cover and only be able to be pivoted with respect to the protective shell, together with the face cover.
  • the invention is also not necessarily limited to welding mask-type face shields. Rather any face shield that may be attached to a front end of the protective shell 102 will benefit from the technical effects of the present disclosure.
  • a face shield may simply be a pivotable plastic/glass screen.
  • the face shield may also be fixed, i.e. non-pivotable, with respect to the protective shell.
  • the helmet 100 shown in Figures 1A and 1B comprises a headband 114.
  • the headband 114 is connected to an inner surface of the protective shell 102.
  • the headband 114 is configured to contour the head of the user at a height of the forehead and the base of the skull. Together with a harness (described below), the headband 114 allows for stable positioning of the helmet on the user's head.
  • the headband 114 comprises an adjustment mechanism 116.
  • the adjustment mechanism 116 is configured to allow a user to change the length of the headband 114 to fit the circumference of their head.
  • the adjustment mechanism 116 may be a ratchet mechanism that can be turned in a first direction in order to tighten the headband, and in an opposite, second direction to loosen the headband.
  • the helmet 100 shown in Figures 1A and 1B is suitable for use with a powered air purifying respirator (PAPR).
  • the helmet 100 comprises an air inlet 118.
  • the air inlet 118 is arranged at a rear end of the protective shell 102.
  • the air inlet 118 is configured to be connected with an air supply hose 120.
  • the air supply hose 120 may deliver forced air from an air blower unit of a PAPR kit. Air flow entering the air inlet 118 via the air supply hose 120 may be directed from the rear end of the protective shell 102 towards a front end, i.e. close to the face shield 104, as will be described with more detail with respect to Figure 2 below.
  • FIGS 1A and 1B only show a specific embodiment of the helmet according to the present disclosure, which is suitable for welding purposes.
  • the helmet of the present disclosure may not only be useful in welding applications and some embodiments of the helmet may not include an air inlet at all and, thus, may not be suitable for connection to a PAPR kit.
  • Figure 1A shows the helmet 100 with the face shield 104 in its inactive position.
  • the face shield 104 is pivoted with respect to the protective shell 102 (e.g. pivoted upwards), such that the user's face is no longer covered by the face shield.
  • this inactive position of the face shield may be useful during breaks from welding works, e.g. when the user is in a conversation with a co-worker.
  • FIG 1B shows the helmet 100 of Figure 1A with the face shield 104 in its active position.
  • the face shield 104 In its active position, the face shield 104 is arranged to cover the user's face (e.g. flipped down). Particularly in this active (flipped down) position shown in Figure 1B , and more specifically during the process of flipping down the face shield 104, the weight of the face shield 104 may cause the protective shell 102 of the helmet 100 to shift on the user's head. In particular, the helmet 100 may "slide" into the user's face. Similarly, as the face shield is transferred from the active position shown in Figure 1B into the inactive position shown in Figure 1A , the helmet 100 may shift backwards.
  • the protective shell 102 comprises an outer wall 101 and an inner wall 103.
  • the outer wall 101 is connected to the inner wall 103 by a plurality of reinforcement structures 105.
  • the protective shell 102 comprises a double-walled structure.
  • the double-walled structure may be used to receive the headband in a space between the inner and outer walls 101, 103 of the protective shell 102.
  • the headband 114 may comprise a plurality of tabs 134, each of which is received within a guide of the double-walled structure of the protective shell 102.
  • the face shield 104 is connected to the front of the protective shell 102 via the pivot 106.
  • the pivot 106 extends between the outer wall 101 of the protective shell 102 and an inner surface of face shield 104.
  • the face shield 104 comprises a face cover 110.
  • the face cover 110 is configured to cover a user's chin, neck and mouth.
  • the face shield 104 is a welding mask. Accordingly, the face cover 110 is made of a heat resistant material that can protect the user's face from sparks created during the welding process.
  • a visor 108 is pivotally attached to the face cover 110 as described above.
  • the visor 108 may include an auto-darkening filter.
  • the filter When the user is not welding, the filter may be a relatively transparent, allowing good vision for job set up and torch positioning. As soon as an arc is struck, the visor 108 may darken to a welding shade, thereby protecting the user's eyes form UV damage during the welding process.
  • the welding shade of the visor 108 may be adjustable, lighter or darker. When the user interrupts the welding process, the visor 108 may automatically return to a its initial, relatively transparent condition.
  • a head pad 130 is suspended within the protective shell 102 of the helmet 100.
  • the head pad 130 is received within a concave portion of the protective shell 102 and is distanced from an inner surface of the inner wall 103 of the protective shell 102.
  • the head pad 130 is suspended within the protective shell 102 by means of straps 122, 124, 126.
  • the straps are connected at their ends to the headband 114. Between their ends, the straps are threaded through slots of the pad 130, so as to hold the pad 130 centrally within the protective shell 102.
  • the length of the straps 122, 124, 126 is selected such that the head pad 130 does not contact the inner surface of the inner wall 103, when being suspended by the straps 122, 124, 126.
  • the head pad 130 is made of a high-friction material.
  • the material of the head pad is constructed to provide a secure friction fit between the pad and the user's head, such that the helmet is prevented from shifting to the front or rear of the user's head.
  • the head pad is made of a polymeric material, such as rubber or silicone.
  • the head pad 130 shown in Figure 2 comprises a plurality of protrusions 132.
  • the protrusions 132 extend over a first surface 136 of the head pad.
  • the first surface 136 faces away from the protective shell 102 and is adapted to contact the user's head, when in use.
  • it is the protrusions 132 that will contact the user's head, when in use.
  • the head pad 130 is a single piece, i.e. the first surface 136 and the protrusions 132 are a unitary part and made from the same material.
  • the protrusions 132 may also be made from rubber or silicone providing the protrusions 132 with elasticity.
  • the elastic protrusions 132 will increase the friction between the user's head and the head pad. Accordingly, the protrusions will further prevent the helmet 100 from slipping across the user's head.
  • the protrusions 132 may similarly be made from a different material to the head pad. However, the protrusions 132 should always be made from a material that provides some elasticity to counteract any potential movement of the helmet 100 with respect to the user's head.
  • Figure 2 further shows an airduct 140 that is arranged along the inner surface of the inner wall 103.
  • the airduct 140 extends between the air inlet 118 ( Figures 1A and 1B ) and an air outlet 142.
  • the air outlet 142 is arranged at a front end of the protective shell 102. Accordingly, the air outlet is arranged such that forced air flowing into the airduct 140 via the air inlet 118 is directed towards the face shield 104, thereby supplying the user with a constant flow of fresh air.
  • an airduct 140 is an optional feature that may only be required if the helmet is used as part of a PAPR kit.
  • FIG. 3A and 3B there is shown another embodiment of a head pad 200.
  • the head pad 200 may be installed within a helmet, such as the helmet shown in Figures 1A , 1B , and 2 , e.g. by means of one or more straps.
  • the head pad 200 comprises six openings 204, 206, 208, 210, 212, and 214.
  • Each strap of a corresponding helmet may extend through two opposite openings.
  • one strap may extend through a first opening 204 and a fourth opening 210
  • a second strap may extend through a second opening 206 and a fifth opening 212
  • a third strap may extend through a third opening 208 and a sixth opening 214.
  • the openings 204 to 214 may be used to suspend the pad within the protective shell of a corresponding helmet by means of a plurality of straps.
  • the pad 200 comprises a first surface 202.
  • the head pad 200 is arranged to be installed inside the cavity of a helmet in such a way that the first surface 202 faces away from the protective shell.
  • a plurality of protrusions 216 are arranged on and protrude over the first surface 202.
  • Figure 3B shows an enlarged view of the protrusions of the pad 200 shown in Figure 3A .
  • the centres of adjacent protrusion 216A, 216B may be distanced from each other by a distance 218 by up to 10mm.
  • adjacent protrusions 216A, 216B may be separated from each other by a gap of up to 10mm.
  • the protrusions 216 of the embodiment shown in Figures 3A and 3B have a cylindrical shape. However, any other shape may be feasible that allows the protrusions to extend over the first surface 202.
  • the cylindrical protrusions 216 shown in Figures 3A and 3B may have a diameter 220 below 10mm.
  • the protrusions may further have a height of up to 10mm. The height of the protrusions refers to the distance between the first surface and the tip of the protrusions.

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
  • Helmets And Other Head Coverings (AREA)
EP22155299.5A 2021-02-09 2022-02-07 Casque Withdrawn EP4039117A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2101764.5A GB2605354A (en) 2021-02-09 2021-02-09 Helmet

Publications (1)

Publication Number Publication Date
EP4039117A1 true EP4039117A1 (fr) 2022-08-10

Family

ID=74879133

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22155299.5A Withdrawn EP4039117A1 (fr) 2021-02-09 2022-02-07 Casque

Country Status (2)

Country Link
EP (1) EP4039117A1 (fr)
GB (1) GB2605354A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3154903A1 (fr) 2023-11-08 2025-05-09 Delta Plus Group Casque avec dispositif de maintien et absorbeur d’effort

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050138719A1 (en) * 2003-04-29 2005-06-30 Huh Moon Y. Cushion pad structure for headband
KR20120138138A (ko) * 2011-06-14 2012-12-24 현대중공업 주식회사 안전모
WO2019079162A1 (fr) * 2017-10-16 2019-04-25 Gentex Corporation Système de protection respiratoire modulaire

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121508A (en) * 1991-02-19 1992-06-16 Grilliot William L Firefighter's helmet having head securing means
DE29904148U1 (de) * 1999-03-08 1999-06-02 Butt, Hans Jochen, 26197 Großenkneten Helm, insbesondere Motorradhelm
JP3905118B1 (ja) * 2006-06-21 2007-04-18 英生 住野 ヘルメット
CN212520957U (zh) * 2020-06-11 2021-02-12 润得科技(深圳)有限公司 一种安全帽警示装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050138719A1 (en) * 2003-04-29 2005-06-30 Huh Moon Y. Cushion pad structure for headband
KR20120138138A (ko) * 2011-06-14 2012-12-24 현대중공업 주식회사 안전모
WO2019079162A1 (fr) * 2017-10-16 2019-04-25 Gentex Corporation Système de protection respiratoire modulaire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3154903A1 (fr) 2023-11-08 2025-05-09 Delta Plus Group Casque avec dispositif de maintien et absorbeur d’effort
US12324472B2 (en) 2023-11-08 2025-06-10 Delta Plus Group Helmet with holding device and force absorber

Also Published As

Publication number Publication date
GB2605354A (en) 2022-10-05
GB202101764D0 (en) 2021-03-24

Similar Documents

Publication Publication Date Title
US5845341A (en) Combination head and eye-protective apparatus and goggles
JP4831923B2 (ja) フットボールヘルメット
US20070033716A1 (en) Goggles with removable frame and methods of making and using the same
US9907348B2 (en) Functional headband having integral cushion band
CN106572715B (zh) 防护头盔
US5974593A (en) Batting helmet with circumferential elastic head band
US8225431B2 (en) Head protective gear
US20150033430A1 (en) Face protector for welder
US6862747B2 (en) Protective helmet with vertically adjustable headband
ES2994572T3 (en) Size adaptive protective headgear
US11324274B2 (en) Welding helmet
EP4039117A1 (fr) Casque
WO2011084660A1 (fr) Casque de sécurité à absorption de chocs pour exploitation minière
US5113534A (en) Firefighter's helmet having tilt adjustment
CN110868880B (zh) 具有空气流的防护头具
US20070016998A1 (en) Safety hard hat and face shield assembly
US12102160B1 (en) Headgear with curved straps for welding helmet
KR101660000B1 (ko) 안전모가 구비된 용접마스크
KR200479141Y1 (ko) 안전모
CN216493705U (zh) 一种可拆卸式轻防盔
CN118922099A (zh) 用于防护头盔的内部系统
KR101670067B1 (ko) 시설물의 유지관리를 위한 안전진단 점검용 안전모
US20250123082A1 (en) Modular tactical helmet
JP3166090U (ja) ヘルメット装着型後頭部保護体
US20170216707A1 (en) Goalie Helmet

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20230209

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20240626

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20250103