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Document Title |
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4867149 |
Earplugs
There is disclosed herein a multiple flange earplug composed of a resilient soft polymeric material.
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4806186 |
Method for producing a mass production ear plug
The present invention relates to a novel apparatus and method of manufacturing an ear plug assembly wherein the plug member is made of foam or similar material. By creating an assembly where the...
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4774938 |
Slow recovery earplug with largely impenetrable surface
An earplug of the slow recovery type is described, which has open cells for expelling gas to the outside during compression, but which resists the entry of water through the outside and the soiling...
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4624672 |
Coiled wire prosthesis for complete or partial ossicular reconstruction
A stainless steel wire prosthesis C and P is provided for reconstruction of sound conducting mechanism in the middle ear. The prosthesis C and P is able to compensate for outward retraction and...
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4608217 |
Method for the production of an ear plug
The ear plug (40) includes an elongate body with a rounded tip portion and of an elastic material enveloped by a deep-drawn sheath (41) of thin flexible plastics film material. Rearwardly the plug...
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4579112 |
Foam earplug
An earplug is provided which does not enter the ear canal but which merely blocks the entrance of the canal. The plug is made of a closed cell elastomeric foam having a tear drop elipsoid shape...
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4564009 |
Universal ear plug
A universal ear plug that fits any size of ear, which may be worn for extended lengths of time without experiencing discomfort, comprising; an integral molded frustum-shaped, semi-rigid, solid body...
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4553627 |
Hearing aid wax guard
A wax guard for a hearing aid is mushroom-shaped, having a cross passage through its head which intersects an axial passage in its stem. The axial passage contains an acoustic filter terminating...
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4552137 |
Earplugs
An earplug in the form of a preformed self-supporting body of malleable plastic material which is deformable under slight pressure, the body having a front face and a rear face, the front face...
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4459247 |
Method for producing earplugs of foamed plastic
The invention relates to an earplug, produced with the use of a polysiloxane which is made foamable and cross-linkable by the use of expanding and cross-linking agents. The method for producing...
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4408605 |
Device for treatment of barotrauma of the middle ear
A device for treatment of barotrauma of the middle ear includes a flexible backing portion carrying a peripheral annular cushion portion which fits over and encloses the outer ear. The cushion...
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4380998 |
Soft tip speculum
A removable speculum for use in conjunction with an otoscope. The speculum contains a soft, rubber-like tip bonded upon the distal end thereof for protecting the ear canal and forming a seal...
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4338929 |
Ear-plug
An ear-plug comprising a plug-like body of fine glass wool and a surrounding casing of thin polyethylene film having low friction vis-a-vis the auditory canal. The glass wool is exposed at the...
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4321998 |
Earplug container
A combined protective case and inserter for earplugs has a cover held in a closed or an open position by a frictional backing feature, and can be reversed whereby either one of two earplug...
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4314553 |
Earplug and earplug set
An earplug comprising a stem portion and a front portion mounted on the stem portion. The front portion is conically shaped and disposed such that the inner surface of the front portion is spaced...
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4293355 |
Method for ultrasonically welding plasticized thermoplastic polymeric foam wares
Disclosed herein is a tethered earplug construction comprising a pair of plasticized thermoplastic foam earplugs tethered together by one or more flexible plasticized thermoplastic cord elements....
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4253452 |
Ear plug assembly
An ear plug assembly includes a pair of plug bodies made from open cell resilient foam material having a slow recovery rate which are interconnected by a flexible cord having its free ends inserted...
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4219018 |
Earplug unit with inserter and tie
Earplug unit with inserter and tie adapted to be worn as a unit which can be folded and compacted into a relatively small carrying case, comprises one or a pair of earplugs (10) (30) each having an...
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4193396 |
Paired earplug construction
Disclosed herein is a tethered earplug construction comprising a pair of plasticized thermoplastic foam earplugs tethered together by one or more flexible plasticized thermoplastic cord elements....
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4160449 |
Earplug
An earplug comprises a generally cylindrical plug of compressible resilient elastomeric foam having a diameter in relaxed condition slightly larger than the outer canal of a human ear and an...
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4134153 |
Throw-away ear protector
A throw-away ear protector readily assembled about the base of the human ear to preclude entry of foreign matter or fluid into the ear, and comprising a plaque of film-like impervious material. An...
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4122841 |
Probe tip
A tip for an ear test probe is disclosed for use in clinical evaluations of hearing problems. There are a number of important tests for evaluating hearing system losses which are based upon...
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RE29487 |
Earplugs
There are disclosed earplugs composed of certain polymeric foam materials. The earplugs are of generally cylindrical shape and of somewhat larger diameter than the human ear canal. The earplugs are...
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4059106 |
Ear rack for veterinary purposes
An ear rack comprises a rigid frame coupled to a flexible base which is adapted for encircling an animal's head. The flexible base includes a strap-like portion which has perforations therethrough...
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4055233 |
Ear coupler
A self-forming ear plug element for use with a stethoscope type sound tube installation for transmitting audio sound to the ear and rejecting ambient noise. A conical portion having a...
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D245202 |
Ear protection plug set
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3959200 |
Copolyester composition
Disclosed herein is a linear, essentially non-crystalline copolyester composition comprising in polymerized form polymethylene glycol units of 2 to 6 carbon atoms, aliphatic dicarboxylic acid units...
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3925277 |
Process for packaging and mixing a two-part room temperature vulcanizable silicone rubber composition
A process for packaging and mixing the first portion and second portion of a two-part room temperature vulcanizable silicone rubber composition comprising placing said first portion in a first...
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3896801 |
Ear plug
A sound restricting ear plug consisting of a flat disk of a resilient material such as polyethylene. To one side of the disk is secured a thin walled hollow member, such walls being substantially...
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3881570 |
Self-fitting hearing protector
A self-fitting earplug has a generally elongated, ovoid- or bullet-shaped mass of deformable putty-like polymer enclosed in an elastomeric or resilient envelope which urges the polymeric mass...
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3811437 |
EARPLUGS
There are disclosed earplugs composed of certain polymeric foam materials. The earplugs are of generally cylindrical shape and of somewhat larger diameter than the human ear canal. The earplugs are...
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3800791 |
ADJUSTABLE EAR PLUG
A flexible ear plug has flanges thereon of gradually increasing size. The plug can be inserted into an auditory canal after which the diameter of the flanges can be increased by forcing an insert...
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3782379 |
METHOD OF OBTAINING ROOM TEMPERATURE VULCANIZABLE SILICONE RUBBER EAR PLUGS
A room temperature vulcanizable silicone rubber composition comprising, (a) a high molecular weight liquid diorganopolysiloxane having terminal hydroxy groups bonded to the silicon atom and a...
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3771521 |
EAR PLUGS
An ear plug wherein an elongated slug of nonslumping silicone putty is enclosed in a thin cocoon of synthetic organic polmeric film drawn over the tip end of the ear plug and gathered at the base...
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3736929 |
SELF-SHAPING EARPLUGS
An earplug preferably having a dumbbell shape and preferably of an elastic material, a filler contained therein to attenuate audible sound but plastic enough to be deformed, and a stiffening member...
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3618600 |
EAR STOPPLE
An ear protector comprising a generally mushroom-shaped soft rubber head and stem, with a harder soft rubber retainer sleeve therearound, and a frustoconical section on the stem between the end...
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3440314 |
METHOD OF MAKING CUSTOM-FITTED EARPLUGS FOR HEARING AIDS
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3415246 |
Ear fittings
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3169523 |
Ear protector
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3097059 |
Method for forming ear plugs for supporting hearing and receivers
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3050056 |
Sea-sprite ear plugs
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3047089 |
Ear plugs
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3041856 |
Ear ornament with three-point resilient support within the tragus, the antitragus and the anti-helix
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2967913 |
Electronic intensifying ear-drum
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2910980 |
Ear protector
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2850012 |
Ear plug
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2804072 |
Ear plugs
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3701753 |
Title is not available
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3833701 |
Title is not available
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3696090 |
Title is not available
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