BR0314808A - Tampões de ouvido e método de formação dos mesmos - Google Patents

Tampões de ouvido e método de formação dos mesmos

Info

Publication number
BR0314808A
BR0314808A BR0314808-4A BR0314808A BR0314808A BR 0314808 A BR0314808 A BR 0314808A BR 0314808 A BR0314808 A BR 0314808A BR 0314808 A BR0314808 A BR 0314808A
Authority
BR
Brazil
Prior art keywords
forming
thermoplastic
earplugs
foam
earplug
Prior art date
Application number
BR0314808-4A
Other languages
English (en)
Inventor
James T Ligon Sr
Jeffrey C Lewis
Original Assignee
Cabot Safety Intermediate Corp
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 Cabot Safety Intermediate Corp filed Critical Cabot Safety Intermediate Corp
Publication of BR0314808A publication Critical patent/BR0314808A/pt

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
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape

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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

"TAMPõES DE OUVIDO E MéTODO DE FORMAçãO DOS MESMOS". Um processo para a formação de um tampão de ouvido de termoplástico de espuma, que compreende as etapas de extrusão de um corpo de espuma (10) de material termoplástico, para a formação de uma extrusão (24); conformação do material termoplástico de espuma em uma máquina de conformação adequada (26) e separação pelo menos parcial do material conformado resultante com um cortador adequado (34) para a formação dos tampões de ouvido individuais.
BR0314808-4A 2002-09-27 2003-09-09 Tampões de ouvido e método de formação dos mesmos BR0314808A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/256,644 US7096872B2 (en) 2002-09-27 2002-09-27 Ear plugs and method of forming same
PCT/US2003/028165 WO2004028777A1 (en) 2002-09-27 2003-09-09 Ear plugs and method of forming same

Publications (1)

Publication Number Publication Date
BR0314808A true BR0314808A (pt) 2005-08-16

Family

ID=32029320

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0314808-4A BR0314808A (pt) 2002-09-27 2003-09-09 Tampões de ouvido e método de formação dos mesmos

Country Status (12)

Country Link
US (2) US7096872B2 (pt)
EP (1) EP1542846A1 (pt)
JP (1) JP2006500255A (pt)
CN (1) CN1684809A (pt)
AU (1) AU2003268556A1 (pt)
BR (1) BR0314808A (pt)
CA (1) CA2501826A1 (pt)
NO (1) NO20052075L (pt)
PL (1) PL375051A1 (pt)
RU (1) RU2005112743A (pt)
WO (1) WO2004028777A1 (pt)
ZA (1) ZA200503139B (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004237C5 (de) * 2004-01-27 2009-11-12 Woco Industrietechnik Gmbh Verfahren zur Herstellung von mikroporösen Kunststoffprodukten und die nach diesem Verfahren erhältlichen Formteile, Profile und Granulate
US7793662B2 (en) * 2005-02-14 2010-09-14 James Carson Elliott Earplug
EP1933792A1 (en) * 2005-10-10 2008-06-25 Cabot Safety Intermediate Corporation Tube-formed earplug with integral stem
US7984716B2 (en) * 2007-06-22 2011-07-26 Kimberly-Clark Worldwide Inc. Self-conforming sound attenuation earplug
US20090032031A1 (en) * 2007-08-04 2009-02-05 Goyer Viki E Special custom and ready made earplug devices for domestic animals
US8663513B2 (en) 2007-08-07 2014-03-04 Honeywell International Inc. Foam earplug extrusion
US9056410B2 (en) * 2008-08-05 2015-06-16 Pregis Intellipack Corp. Pad formation method, assembly and pad produced thereby
US8113207B2 (en) * 2008-08-22 2012-02-14 Kimberly-Clark Worldwide, Inc. Self-conforming sound attenuation earplug
US20100117270A1 (en) * 2008-11-10 2010-05-13 Jan Alac Extrusion molding technique and synthetic stopper produced therefrom
EP2437701A4 (en) * 2009-06-03 2012-11-21 Sperian Hearing Prot Llc FOAM EAR BITS WITHOUT ROLLING
WO2011055367A1 (en) * 2009-11-08 2011-05-12 Objet Geometries Ltd. Hearing aid and method of fabricating the same
US8679607B2 (en) 2012-07-12 2014-03-25 3M Innovative Properties Company Foamable article
US8968613B2 (en) 2012-07-12 2015-03-03 3M Innovative Properties Company Method of making an earplug
US9737439B2 (en) 2012-07-12 2017-08-22 3M Innovative Properties Company Push-in earplug
WO2018118647A1 (en) 2016-12-21 2018-06-28 3M Innovative Properties Company Earplug with stem comprising a sleeve

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1110287A (en) 1965-07-22 1968-04-18 Monsanto Chemicals Foamed resin products
GB1193939A (en) * 1967-11-29 1970-06-03 Wilhelm Hegler Apparatus for and a Method of Producing Plastics Pipes
US3879505A (en) * 1969-10-22 1975-04-22 Ugine Kuhlmann Extrusion of foamable plastic materials
US3872559A (en) 1973-01-11 1975-03-25 Charles Leight Ear plug
US3981663A (en) 1973-09-10 1976-09-21 Lupke Gerd Paul Heinrich Apparatus for making high speed corrugated plastic tubing
US4434794A (en) 1981-06-15 1984-03-06 Leight Howard S Disposable ear plug
US4504206A (en) 1982-01-21 1985-03-12 Lupke Manfred Arno Alfred Chainless mold drive for a corrugator or the like
US4708624A (en) 1984-06-22 1987-11-24 Ligon James T Washer cutting apparatus
US4617849A (en) 1984-06-22 1986-10-21 Ligon James T Washer cutting procedure
US4774938A (en) 1987-04-09 1988-10-04 Howard S. Leight & Associates, Inc. Slow recovery earplug with largely impenetrable surface
US4789322A (en) 1987-11-23 1988-12-06 Harry Chan Corrugator with intermeshing overlapping moldblock halves
US5167781A (en) * 1990-04-06 1992-12-01 Kemcast Partners-1989 Continuous plastics molding process and apparatus
US5188123A (en) 1990-08-20 1993-02-23 Cabot Safety Corporation Hearing protective earplug having alternative modes of insertion
US5333622A (en) * 1990-08-20 1994-08-02 The Center For Innovative Technology Earplug and hearing devices formed in-situ
US5203352A (en) 1990-10-16 1993-04-20 Cabot Safety Corporation Polymeric foam earplug
DE4437860A1 (de) 1994-10-22 1996-04-25 Basf Ag Verfahren zur Herstellung von mikrozellulären Schäumen
US5573015A (en) 1995-03-28 1996-11-12 Williams; Colin D. Extruded ear plug
US5811742A (en) 1997-04-21 1998-09-22 Howard S. Leight And Associates, Inc. Dual earplug
US6110404A (en) 1998-08-14 2000-08-29 Ligon Brothers Manufacturing Company Method of extruding thermoplastic elastomer foam using water as a blowing agent
US6682689B1 (en) 2000-05-03 2004-01-27 Jpmorgan Chase Bank Flexible plastic article and method of manufacturing the same
US6408981B1 (en) 2000-09-27 2002-06-25 Saint-Gobain Performance Plastics Corporation Extruded monolithic foam earplug
US6518324B1 (en) 2000-11-28 2003-02-11 Atofina Chemicals, Inc. Polymer foam containing nanoclay
US6659103B2 (en) * 2001-08-10 2003-12-09 Bacou-Dalloz Usa Safety, Inc. Earplug with stiffener
US20030029460A1 (en) * 2001-08-10 2003-02-13 Jim Tiemens Extruded earplug
US6568395B2 (en) * 2001-08-10 2003-05-27 Bacou-Balloz Usa Safety, Inc. Multiple earplug arrangement

Also Published As

Publication number Publication date
ZA200503139B (en) 2005-11-03
RU2005112743A (ru) 2005-10-10
WO2004028777A1 (en) 2004-04-08
US20050109349A1 (en) 2005-05-26
JP2006500255A (ja) 2006-01-05
CN1684809A (zh) 2005-10-19
PL375051A1 (en) 2005-11-14
EP1542846A1 (en) 2005-06-22
CA2501826A1 (en) 2004-04-08
US20040060567A1 (en) 2004-04-01
NO20052075D0 (no) 2005-04-27
US7096872B2 (en) 2006-08-29
NO20052075L (no) 2005-06-27
AU2003268556A1 (en) 2004-04-19

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE 5A., 6A. E 7A. ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2069 DE 31/08/2010.