EP0477260A1 - Dispositif protecteur d'oreilles - Google Patents

Dispositif protecteur d'oreilles

Info

Publication number
EP0477260A1
EP0477260A1 EP19900909776 EP90909776A EP0477260A1 EP 0477260 A1 EP0477260 A1 EP 0477260A1 EP 19900909776 EP19900909776 EP 19900909776 EP 90909776 A EP90909776 A EP 90909776A EP 0477260 A1 EP0477260 A1 EP 0477260A1
Authority
EP
European Patent Office
Prior art keywords
ear
diaphragm
protector according
pad
ing
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Withdrawn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
EP19900909776
Other languages
German (de)
English (en)
Inventor
Peter Joost Wieriks
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.)
FOCUS VEILIG BV
Original Assignee
FOCUS VEILIG BV
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 FOCUS VEILIG BV filed Critical FOCUS VEILIG BV
Publication of EP0477260A1 publication Critical patent/EP0477260A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs

Definitions

  • the invention relates to an ear protector comprising an ear pad (the part that rests against the ear) and an ear shell (the part that is directed outwardly) on which a bracket is mounted for connecting two ear protectors with each other.
  • an ear protector comprising an ear pad (the part that rests against the ear) and an ear shell (the part that is directed outwardly) on which a bracket is mounted for connecting two ear protectors with each other.
  • one or more damping layers of synthetic material are interposed between the ear pad and the shell.
  • the invention aims to improve this known device.
  • an additional diaphragm is interposed between the ear pad and the shell, on opposite sides of which diaphragm at least one insert layer may be provided.
  • the protection of the ears can be improved by forming the diaphragm as a bowl. Further, a reduced transmission of sound is obtained when it is arranged for the diaphragm not be in direct contact with the shell.
  • the ear pad is made of soft rubber or the like, at the outer side of the pad an inwardly turned rim may be provided, an edge of the shell resting against one side of the rim and an edge of the diaphragm resting against the other side.
  • one or more grooves may be provided, in one of which the circumference of the diaphragm may be mounted. In this way a resilient suspension is obtained, which yields a maximum sound damping.
  • a portion of the diaphragm that extends externally relatively to the inner side of the bowl- shaped portion is provided with tapered sliding or locking projections a situation is achieved where depression of the ear pad permits the ear pad to be vented.
  • a damping layer can readily be inserted in the bowl-shaped portion because there is only line contact, and the tapered configuration of the projections permits the material mentioned to be mounted or locked in a simple manner.
  • using moisture-absorbing material for the insert layer will render the ear protector more comfortable to wear.
  • the diaphragm and the rim portion of the ear pad may be formed in such a way that a fully closed cavity is formed in which a sound-damping filling is arranged.
  • the ear pad may be formed with a recess in the same direction as the diaphragm In the recess mentioned an opening may be provided.
  • an insert damping layer may be provided on opposite sides of the recessed portion of the ear pad.
  • insert layers may each have such dimensions that they fill up the entire accommodating space in radial direction.
  • the shell may be made of polypropylene or a similar hard plastic
  • the diaphragm may be made of polystyrene or a similar plastic
  • the ear pad finally, may be manufactured by means of injection moulding, for example, and, as noted above, may be made of resilient plastic or the like.
  • the insert layers may be made of polyester foam or a similar sound-damping plastic.
  • polyester has the advantage that it regulates humidity well and thus effects maximum comfort for the wearer.
  • Fig. 1 is a cross-sectional view of a part of a complete ear protector
  • Fig. 2 is a view similar to that of Fig. 1 of another embodiment of the ear protector according to the invention.
  • an ear shell 1 made of PVC, polypropylene, or the like is provided with an ear pad 2, made of rubber, for example.
  • a diaphragm 3 made of polystyrene, for example.
  • insert layers 4, 5, 6, of polyester foam are provided next to each of these three elements.
  • the outer edge of the diaphragm rests against an inwardly turned rim 9 of the ear pad, and the innermost edge of the bowl-shaped portion of the diaphragm rests against an outwardly turned rim 10 of the ear pad.
  • the closed cavity 7 is formed in which the aforementioned polyester filling 8 is enclosed, but the filling can be replaced if so desired.
  • the ear shell is connected to a bracket 15 in a simple manner, namely by means of a screw-and-nut joint 11, 12, a washer 13, and a spacer 14. Other connections are also possible, such as a click-fit or snap connection.
  • Fig. 2 like parts are designated by like reference numerals.
  • the differences essentially reside in the fact that the diaphragm 3 is formed somewhat differently, i.e. the bowl- shaped portion is stepped, and the insert layer 5 is arranged in the portion disposed furthest inwardly.
  • Provided outwardly relatively to this insert layer in the "transitional portion" are a plurality of tapered guide ribs 20 which ensure the ear pad can "breathe".
  • the ribs also permit ready insertion of the insert layer, which, furthermore, is retained on account of the projections 20 being of tapered configuration.
  • the circumference of the diaphragm 3 comprises a thickened rim 21, which permits the diaphragm to be readily and properly locked in the corresponding groove 22 of the ear shell 2.
  • a further modification as compared with the embodiment according to Fig. 1 resides in the fact that instead of a screwed joint (11, 12, 13) an ear shell 1 is used comprising lugs 23 each bounding an opening adapted for receiving pins 24 mounted on the bracket 15, in such a way that a snap connection is obtained.
  • lugs 23 each bounding an opening adapted for receiving pins 24 mounted on the bracket 15, in such a way that a snap connection is obtained.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Headphones And Earphones (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

Un dispositif protecteur d'oreilles comportant un tampon d'oreille (2) et une gaine d'oreille (1) auxquels est attaché un bras (15) reliant deux dispositifs protecteurs d'oreilles. Une ou plusieurs couches amortisseuses (4, 5, 6) en plastique sont interposées entre ledit tampon et ladite gaine. Selon l'invention, une membrane (3) est interposée entre le tampon d'oreille (2) et la gaine d'oreille (1), au moins une couche d'insertion (5, 6) pouvant être prévue sur les faces opposées de la ladite membrane.
EP19900909776 1989-06-12 1990-06-11 Dispositif protecteur d'oreilles Withdrawn EP0477260A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8901482 1989-06-12
NL8901482A NL8901482A (nl) 1989-06-12 1989-06-12 Gehoorbeschermer.

Publications (1)

Publication Number Publication Date
EP0477260A1 true EP0477260A1 (fr) 1992-04-01

Family

ID=19854817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900909776 Withdrawn EP0477260A1 (fr) 1989-06-12 1990-06-11 Dispositif protecteur d'oreilles

Country Status (5)

Country Link
EP (1) EP0477260A1 (fr)
JP (1) JPH05501068A (fr)
CA (1) CA2059285A1 (fr)
NL (1) NL8901482A (fr)
WO (1) WO1990015584A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500417C2 (sv) * 1990-11-02 1994-06-20 Peltor Ab Öronkåpa för hörselskydd eller hörlurar
SE511890C2 (sv) * 1993-02-10 1999-12-13 Dalloz Safety Ab Hörselskyddskåpa med förhöjd ljuddämpning
BRPI0506978A (pt) * 2004-01-23 2007-07-03 Cabot Safety Intermediante Cor dispositivo de alta atenuação de protetor auricular do tipo abafador
SE530035C2 (sv) 2004-11-17 2008-02-12 Sperian Hearing Prot Llc Hörselkåpa
DE102005021451B4 (de) * 2005-05-10 2012-02-02 Schuberth Helme Gmbh Gehörschutz
SE528428C2 (sv) * 2006-01-24 2006-11-14 Msa Sordin Ab Hörselkåpa
GB2445480B (en) * 2008-01-17 2009-04-22 Aerbuddies Ltd An ear protection device
US7717226B2 (en) * 2008-02-20 2010-05-18 Kimberly-Clark Worldwide, Inc. Hearing protection cap
AU2015401745B2 (en) * 2015-07-06 2020-10-08 Wikmanshyttan Safety Ab A method for manufacturing a sealing ring, and a sealing ring

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB598030A (en) * 1945-08-29 1948-02-09 Hervic Nugent Grahame Cobbe A sound-insulating device for use on the human head
US2981958A (en) * 1955-04-07 1961-05-02 Clark Co Inc David Ear protector
SE389604B (sv) * 1973-12-21 1976-11-15 Gullfiber Ab Komfortkrage for oronkapor
GB2113530A (en) * 1982-01-28 1983-08-10 Chapman And Smith Limited Ear defender and diaphragm therefor
US4437538A (en) * 1982-03-30 1984-03-20 Ingemar Ohlsson Ear-cap

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9015584A1 *

Also Published As

Publication number Publication date
JPH05501068A (ja) 1993-03-04
CA2059285A1 (fr) 1990-12-13
WO1990015584A1 (fr) 1990-12-27
NL8901482A (nl) 1991-01-02

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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

17P Request for examination filed

Effective date: 19911211

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB IT LI LU NL SE

17Q First examination report despatched

Effective date: 19921029

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: 19940924