DE69419145T2 - Schalldämpfende ohrabdeckung - Google Patents
Schalldämpfende ohrabdeckungInfo
- Publication number
- DE69419145T2 DE69419145T2 DE69419145T DE69419145T DE69419145T2 DE 69419145 T2 DE69419145 T2 DE 69419145T2 DE 69419145 T DE69419145 T DE 69419145T DE 69419145 T DE69419145 T DE 69419145T DE 69419145 T2 DE69419145 T2 DE 69419145T2
- Authority
- DE
- Germany
- Prior art keywords
- cushion
- sound absorbing
- absorbing cover
- earmuffs
- earmuff
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <150kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0066—≥ 150kg/m3
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2350/00—Acoustic or vibration damping material
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/048,722 US5420381A (en) | 1993-04-19 | 1993-04-19 | Acoustical earmuff |
PCT/US1994/003972 WO1994024185A1 (en) | 1993-04-19 | 1994-04-12 | Acoustical earmuff |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69419145D1 DE69419145D1 (de) | 1999-07-22 |
DE69419145T2 true DE69419145T2 (de) | 2000-01-05 |
Family
ID=21956108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69419145T Expired - Fee Related DE69419145T2 (de) | 1993-04-19 | 1994-04-12 | Schalldämpfende ohrabdeckung |
Country Status (9)
Country | Link |
---|---|
US (1) | US5420381A (de) |
EP (1) | EP0695315B1 (de) |
JP (1) | JP2912017B2 (de) |
AT (1) | ATE181343T1 (de) |
AU (1) | AU687393B2 (de) |
BR (1) | BR9406473A (de) |
CA (1) | CA2160870A1 (de) |
DE (1) | DE69419145T2 (de) |
WO (1) | WO1994024185A1 (de) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5792998A (en) * | 1993-04-19 | 1998-08-11 | Cabot Safety Intermediate Corporation | Acoustical hearing protective devices utilizing dynamically stiff foam and methods of producing same |
US5799658A (en) * | 1996-08-15 | 1998-09-01 | Cabot Safety Intermediate Corporation | Hearing protective device comprising a foam and a porous component and method of manufacture thereof |
GB2320885B (en) * | 1996-12-30 | 2001-08-22 | Parimal Parikh | Rigid polyurethane foam ear-muff's cup |
GB9805619D0 (en) | 1998-03-18 | 1998-05-13 | Noise Cancellation Tech | Cushioned earphones |
US6920956B1 (en) | 1999-01-07 | 2005-07-26 | Cabot Safety Intermediate Corporation | Detectable earplug and method of manufacture thereof |
US7124425B1 (en) | 1999-03-08 | 2006-10-17 | Immersion Entertainment, L.L.C. | Audio/video system and method utilizing a head mounted apparatus with noise attenuation |
US6578203B1 (en) | 1999-03-08 | 2003-06-10 | Tazwell L. Anderson, Jr. | Audio/video signal distribution system for head mounted displays |
NZ508104A (en) | 1999-03-16 | 2002-09-27 | Cabot Safety Intermediate Corp | Hearing protective device |
SE514555C2 (sv) | 1999-07-08 | 2001-03-12 | Peltor Ab | Förfarande för framställning av kåpa samt kåpa framställd enligt förfarandet |
US6635688B2 (en) | 2000-06-28 | 2003-10-21 | World Properties, Inc. | Composite polyurethane foams and method of manufacture thereof |
US7141014B2 (en) | 2002-03-20 | 2006-11-28 | Siemens Hearing Instruments, Inc. | Cushioning device for use with a hearing aid |
US6888950B2 (en) * | 2002-07-02 | 2005-05-03 | Jovid Designs, Llc | Ear warming article including electronic device and easily interchangeable advertising areas |
US7593687B2 (en) * | 2003-10-07 | 2009-09-22 | Immersion Entertainment, Llc | System and method for providing event spectators with audio/video signals pertaining to remote events |
US20050126845A1 (en) * | 2003-12-10 | 2005-06-16 | Vaudrey Michael A. | Attenuating foam insert and method for manufacture |
BRPI0506978A (pt) * | 2004-01-23 | 2007-07-03 | Cabot Safety Intermediante Cor | dispositivo de alta atenuação de protetor auricular do tipo abafador |
US20070031595A1 (en) * | 2005-08-03 | 2007-02-08 | Fox Richard B | Process for 360 degree soft touch molding on an object core and product made therewith |
US20070143942A1 (en) * | 2005-12-23 | 2007-06-28 | Polyworks, Inc. | Handle with soft gel cushioning member |
CA2634551C (en) * | 2005-12-23 | 2017-12-05 | Polyworks, Inc. | Methods of making polymeric articles and the polymeric articles formed thereby |
US7827704B2 (en) * | 2006-02-28 | 2010-11-09 | Polyworks, Incorporated | Methods of making polymeric articles and polymeric articles formed thereby |
WO2008128214A1 (en) | 2007-04-13 | 2008-10-23 | Polyworks, Inc. | Impact and vibration absorbing body-contacting medallions, methods of use and methods of making |
WO2008128206A1 (en) * | 2007-04-13 | 2008-10-23 | Polyworks, Inc. | Cushioning medallions, methods of making and methods of using |
US7841446B2 (en) * | 2007-04-30 | 2010-11-30 | Kimberly-Clark Worldwide, Inc. | Bandless hearing protector and method |
US7708110B2 (en) * | 2007-04-30 | 2010-05-04 | Kimberly-Clark Worldwide, Inc. | Bandless hearing protector and method |
US7648005B2 (en) * | 2007-04-30 | 2010-01-19 | Kimberly-Clark Worldwide, Inc. | Clip-style hearing protector |
US7717226B2 (en) * | 2008-02-20 | 2010-05-18 | Kimberly-Clark Worldwide, Inc. | Hearing protection cap |
MX336122B (es) * | 2008-04-14 | 2016-01-08 | Polyworks Inc | Metodo de embutición para la fabricacion de articulos de absorción de impactos y vibraciones y los articulos formados del mismo. |
US20090277462A1 (en) * | 2008-05-09 | 2009-11-12 | 3M Innovative Properties Company | Foam earplug in deformable sheath |
US8746397B2 (en) | 2011-10-07 | 2014-06-10 | Hearing Components, Inc. | Foam cushion for headphones |
USD736174S1 (en) * | 2014-02-10 | 2015-08-11 | New Audio LLC | Headphone device |
US11806214B2 (en) | 2015-02-19 | 2023-11-07 | Neatcap, Llc | Medical headgear |
US11185447B2 (en) | 2015-02-19 | 2021-11-30 | Neatcap, Llc | Medical headgear |
US10413696B2 (en) * | 2015-02-19 | 2019-09-17 | Neatcap, Llc | Medical headgear |
USD835064S1 (en) * | 2016-01-15 | 2018-12-04 | Sony Corporation | Headphone |
USD868025S1 (en) * | 2018-03-22 | 2019-11-26 | Neal John Brace | Pair of ear pads |
USD848396S1 (en) * | 2017-11-02 | 2019-05-14 | Honeywell International Inc. | Noise monitoring headset |
CN111372544B (zh) * | 2017-11-21 | 2023-05-16 | 3M创新有限公司 | 用于听力保护器或音频头戴式耳机的衬垫 |
CN112794970B (zh) * | 2020-12-30 | 2023-03-31 | 山东一诺威聚氨酯股份有限公司 | 具有微胀气感超柔软的降噪耳塞及其制备方法 |
USD987599S1 (en) * | 2021-04-06 | 2023-05-30 | Amzaleg's LLC | Ear phone cover |
JP1700976S (de) * | 2021-06-16 | 2021-11-29 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2801423A (en) * | 1956-06-05 | 1957-08-06 | Ca Nat Research Council | Ear defender |
BE630899A (de) * | 1962-04-13 | |||
AT284333B (de) * | 1968-09-23 | 1970-09-10 | Wilfrid Weltin | Gehörschutz |
US4260575A (en) * | 1979-11-05 | 1981-04-07 | Koss Corporation | Method for molding ear cushions |
DE3100524A1 (de) * | 1981-01-10 | 1982-08-12 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von flexiblen polyurethan-weichschaumstoffen sowie hierzu verwendbare polyester-polyol-polyether-polyol-mischungen |
US4465159A (en) * | 1983-03-11 | 1984-08-14 | Cabot Corporation | Nonlinear ear protecting device |
DE3313624C2 (de) * | 1983-04-12 | 1986-04-03 | Teroson Gmbh, 6900 Heidelberg | Polyurethanweichschaumstoff sowie dessen Verwendung |
US4471496A (en) * | 1983-06-27 | 1984-09-18 | Cabot Corporation | Articulated earmuff-to-headband attachment construction |
US4682374A (en) * | 1986-03-05 | 1987-07-28 | Joseph Geiser | Protective ear covering |
US4905322A (en) * | 1988-04-18 | 1990-03-06 | Gentex Corporation | Energy-absorbing earcup assembly |
US4958697A (en) * | 1989-09-11 | 1990-09-25 | The United States Of America As Represented By The Secretary Of The Army | Anatomically shaped earseals for headsets |
US5148887A (en) * | 1991-04-01 | 1992-09-22 | Gentex Corporation | Earcup assembly incorporating mechanical active noise reduction |
-
1993
- 1993-04-19 US US08/048,722 patent/US5420381A/en not_active Expired - Lifetime
-
1994
- 1994-04-12 JP JP6523382A patent/JP2912017B2/ja not_active Expired - Lifetime
- 1994-04-12 DE DE69419145T patent/DE69419145T2/de not_active Expired - Fee Related
- 1994-04-12 CA CA002160870A patent/CA2160870A1/en not_active Abandoned
- 1994-04-12 EP EP94913404A patent/EP0695315B1/de not_active Expired - Lifetime
- 1994-04-12 WO PCT/US1994/003972 patent/WO1994024185A1/en active IP Right Grant
- 1994-04-12 AU AU65581/94A patent/AU687393B2/en not_active Ceased
- 1994-04-12 BR BR9406473A patent/BR9406473A/pt not_active IP Right Cessation
- 1994-04-12 AT AT94913404T patent/ATE181343T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2912017B2 (ja) | 1999-06-28 |
WO1994024185A1 (en) | 1994-10-27 |
EP0695315B1 (de) | 1999-06-16 |
CA2160870A1 (en) | 1994-10-27 |
AU6558194A (en) | 1994-11-08 |
BR9406473A (pt) | 1996-01-23 |
DE69419145D1 (de) | 1999-07-22 |
US5420381A (en) | 1995-05-30 |
ATE181343T1 (de) | 1999-07-15 |
EP0695315A1 (de) | 1996-02-07 |
AU687393B2 (en) | 1998-02-26 |
JPH09501069A (ja) | 1997-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |