GB2320885B - Rigid polyurethane foam ear-muff's cup - Google Patents

Rigid polyurethane foam ear-muff's cup

Info

Publication number
GB2320885B
GB2320885B GB9627042A GB9627042A GB2320885B GB 2320885 B GB2320885 B GB 2320885B GB 9627042 A GB9627042 A GB 9627042A GB 9627042 A GB9627042 A GB 9627042A GB 2320885 B GB2320885 B GB 2320885B
Authority
GB
United Kingdom
Prior art keywords
muff
cup
polyurethane foam
rigid polyurethane
foam ear
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.)
Expired - Fee Related
Application number
GB9627042A
Other versions
GB9627042D0 (en
GB2320885A (en
Inventor
Parimal Parikh
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB9627042A priority Critical patent/GB2320885B/en
Publication of GB9627042D0 publication Critical patent/GB9627042D0/en
Publication of GB2320885A publication Critical patent/GB2320885A/en
Application granted granted Critical
Publication of GB2320885B publication Critical patent/GB2320885B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Psychology (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Corsets Or Brassieres (AREA)
GB9627042A 1996-12-30 1996-12-30 Rigid polyurethane foam ear-muff's cup Expired - Fee Related GB2320885B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9627042A GB2320885B (en) 1996-12-30 1996-12-30 Rigid polyurethane foam ear-muff's cup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9627042A GB2320885B (en) 1996-12-30 1996-12-30 Rigid polyurethane foam ear-muff's cup

Publications (3)

Publication Number Publication Date
GB9627042D0 GB9627042D0 (en) 1997-02-19
GB2320885A GB2320885A (en) 1998-07-08
GB2320885B true GB2320885B (en) 2001-08-22

Family

ID=10805104

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9627042A Expired - Fee Related GB2320885B (en) 1996-12-30 1996-12-30 Rigid polyurethane foam ear-muff's cup

Country Status (1)

Country Link
GB (1) GB2320885B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8325961B2 (en) 2003-08-12 2012-12-04 180S, Inc. Ear warmer with a speaker system
US8438666B2 (en) 2000-04-05 2013-05-14 180S, Inc. Ear warmer with adjustability
US8443466B2 (en) 2007-01-22 2013-05-21 180S, Inc. Ear protection device
US8713714B2 (en) 2002-01-28 2014-05-06 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US9066829B2 (en) 2003-08-12 2015-06-30 180S, Inc. Ear warmer with fabric member
US9132038B2 (en) 2003-08-12 2015-09-15 180S, Inc. Ear warmer having a curved ear portion
US9241517B2 (en) 2000-12-29 2016-01-26 180S, Inc. Ear protection device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7717226B2 (en) 2008-02-20 2010-05-18 Kimberly-Clark Worldwide, Inc. Hearing protection cap

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338463A1 (en) * 1988-04-18 1989-10-25 Gentex Corporation Energy-absorbing earcup assembly
WO1994024185A1 (en) * 1993-04-19 1994-10-27 Cabot Safety Corporation Acoustical earmuff

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0338463A1 (en) * 1988-04-18 1989-10-25 Gentex Corporation Energy-absorbing earcup assembly
WO1994024185A1 (en) * 1993-04-19 1994-10-27 Cabot Safety Corporation Acoustical earmuff

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8438666B2 (en) 2000-04-05 2013-05-14 180S, Inc. Ear warmer with adjustability
US9241517B2 (en) 2000-12-29 2016-01-26 180S, Inc. Ear protection device
US8713714B2 (en) 2002-01-28 2014-05-06 180S, Inc. Apparatus and method for making an ear warmer and an ear warmer frame
US8325961B2 (en) 2003-08-12 2012-12-04 180S, Inc. Ear warmer with a speaker system
US8861768B2 (en) 2003-08-12 2014-10-14 180S, Inc. Ear warmer with a speaker system
US9066829B2 (en) 2003-08-12 2015-06-30 180S, Inc. Ear warmer with fabric member
US9132038B2 (en) 2003-08-12 2015-09-15 180S, Inc. Ear warmer having a curved ear portion
US9259355B2 (en) 2003-08-12 2016-02-16 180S, Inc. Ear warmer with fabric member
US8443466B2 (en) 2007-01-22 2013-05-21 180S, Inc. Ear protection device

Also Published As

Publication number Publication date
GB9627042D0 (en) 1997-02-19
GB2320885A (en) 1998-07-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061230