Class 84/452P - Plastic material

Subclass of Class 84 - Music
No. of patents: 49
Last issue date: 05/15/2007

Number	Title	Issue Date
7217877	Keyboard apparatus A keyboard apparatus which is capable of enhancing key touch feeling. The keyboard apparatus has a chassis (1), and key bodies (10) to be depressed are supported by the chassis. A hammer body (20) associated with each of the key bodies is driven...	05/15/2007
6740801	Action for keyboard-based musical instrument An action for a keyboard-based musical instrument is provided for preventing action parts made of a synthetic resin from being charged to eliminate stains due to dust and motes in the air attracted by static electricity. The action is composed of a plurality of acti...	05/25/2004
6713130	Method to produce a ceramic product having controlled modules of elasticity and internal friction characteristics A method to make a mouthpiece body having a predetermined set of desired characteristics for a given application comprises providing a porous ceramic material, infiltrating it with an acrylic resin, and curing the article, wherein the properties of the ceramic mater...	03/30/2004
6531651	Key for musical instrument A key is provided for permitting simple attachment of a weight and easy adjustment of a touch load, while using an alternative material for substitution for lead as a material for the weight, to thereby reduce the manufacturing cost. A swingable key body ...	03/11/2003
6107552	Soundboards and stringed instruments A stringed instrument soundboard is provided, including composite structure that includes first and second opposed layers of a stiffened graphite sheet material and a low-density core material interposed between the first and second opposed layers. Method...	08/22/2000
5932823	Drum practice pad and method of production A drummer's practice pad and method for production thereof. The practice pad very closely simulates an actual drum head (the striking surface is as close to actual drumskin as possible), and this allows more efficient practice in the following areas: stic...	08/03/1999
5929356	Mallet for a musical instrument A musical tool for striking an instrument comprises a shaft and a head connected to one end of the shaft. A layer of short fibers is adhered to the surface of the head. The short fibers have inner and outer ends, the inner end adhered to the head and the ...	07/27/1999
5905219	Stringed musical instrument body and neck composition and method of making body and neck A composition and method of making bodies and necks for stringed musical instruments is provided. The composition is basically an unsaturated compound poly-urethan resin and an inorganic filler, or components comparable thereto, which are combined with a ...	05/18/1999
5895872	Composite structure for a stringed instrument A composite structure for a stringed musical instrument or an acoustic guitar. The stringed instrument structure having a one piece neck and body cast of a fiber reinforced single resin matrix. Encapsulated are continuous longitudinal fibers which extend ...	04/20/1999
5814747	Percussion instrument capable of producing a musical tone A percussion instrument made of durable synthetic tubing which is longitudinally rigid and radially flexible. The tubes are precisely tunable to specific musical pitches through combining proper diameters and lengths of the tubes. The sound is produced pr...	09/29/1998
5693900	Bass drum mallet Moisture proof and wear resistant mallet heads are made of polyurethane foam. The mallet heads are substantially spherical in shape, and are attached to the handle by an aluminum sleeve that fits over a portion of the handle have a reduce diameter. The pr...	12/02/1997
5561254	Device for modifying the sound of a drum A device for modifying the sound of a drum or other percussion instrument comprises a sheet-like body of a soft, flexible polymer such as a gelled plastisol. The device includes a planar bottom surface which establishes a vacuum seal to a vibratable surfa...	10/01/1996
5458036	Bottleneck slide bar with sectors of different materials A slide bar for use with stringed instruments, such as the guitar or the dobro, includes two longitudinal halves with each half having a semi-cylindrical configuration. The two halves are made of different materials and are joined to form a hollow cylinde...	10/17/1995
5408911	Musical instrument string A method of treating a nylon or other non-ferromagnetic musical instrument string so that its movement is detectable by a ferromagnetic pickup includes applying ferromagnetic material to a portion of the string when the string is mounted to an instrument....	04/25/1995
5396823	Rib reinforced, integral guitar belly A guitar belly for a guitar body including a rear or reverse plate and a side plate around and standing up from the rear plate, which are integrally formed of the same plastic material. A separate cover plate is attached over the edge of the side plate to...	03/14/1995
5333527	Compression molded composite guitar soundboard An improved acoustic guitar soundboard comprising a composite sheet formed of multiple layers of epoxy impregnated graphite fibers which have been accurately preimpregnated at about 33% resin to 67% fiber, after which they are layed up in laminates of uni...	08/02/1994
5299484	Bearing structure and transmission structure in piano A bearing structure in a piano action part which can always maintain the torque of rotation of a pin shaft supporting a hammer member within a predetermined range characterized in that the bearing structure comprises a pin shaft fixed to a hammer member, ...	04/05/1994
5265515	Key covers formed of ivory substitute and pianos having same A piano key cover having a body of synthetic material pigmented to resemble natural ivory defines a top playing surface having a random orientation of peak-to-valley texture and a multiplicity of fine pores to replicate a surface of natural ivory. A multi...	11/30/1993
5223652	Key and keyboard A black key making of a resin composition comprising a cellulose derivative resin, silicon oxide and at least 0.3 part by weight of a carbon black based on 100 parts by weight of the cellulose derivative, the carbon black having a pH of 6 and below and a ...	06/29/1993
5183955	Piano key covers formed of ivory substitute and pianos having same A piano key cover is formed of synthetic material pigmented to resemble natural ivory and having a top playing surface with a random orientation of peak-to-valley texture and a multiplicity of fine pores replicating natural ivory. The key cover is formed ...	02/02/1993
5171926	Bow musical instrument made of composite material A bow musical instrument in which at least the front (1) is constituted by a thin wall of composite material comprising at least two superposed sheets (A, B, C, D, . . . ) of crossed and directed long fibers, the wall being covered on at least one of its ...	12/15/1992
4998456	Body construction of a wind instrument and procedure for producing a wind instrument with said construction The present invention concerns the body structure of a wind instrument and a procedure for making a wind instrument body presenting said structure. The body of a wind instrument, such as a flute, consists of an elongated tube composed of one or several pa...	03/12/1991
4972751	Rotary valves for brass wind instruments A rotary valve for brass wind instruments with improved lubricating and durability properties is provided. The valve body 2 or both the valve body 2 and casing 1 of the rotary valve comprise(s) a machinable ceramic-resin composite material. The rotary val...	11/27/1990
4969381	Composite-materials acoustic stringed musical instrument A soundboard for an acoustic guitar is made of a composite-materials plate having an area density matching that of wooden soundboards while having a bulk density exceeding the bulk density of wooden soundboards. The soundboard is preferably made of a lay-...	11/13/1990
4955274	Violins The invention relates to the manufacture of a violin (and other instruments of the violin family), in which the component parts of the acoustic box are made from sheet material. The sheet material is composed of substantially unidirectionally oriented man...	09/11/1990
4950437	Molding process for musical instrument neck A strip of fiber-reinforced plastic composite is wrapped around a neck and peghead insert positioned right-side up in a neck mold. A pressure plate having a fingerboard secured thereto is then lowered onto the mold and pressure applied to integrally mold ...	08/21/1990
4873907	Composite-materials acoustic stringed musical instrument A soundboard for an acoustic guitar is made of a composite-materials plate having an area density matching that of wooden soundboards while having a bulk density exceeding the bulk density of wooden soundboards. The soundboard is preferably made of a lay-...	10/17/1989
4860629	Graphite trombone slide A trombone has an other slide member fabricated from graphite tube. The graphite tube is 60-66% graphite and 40-34% expoxy resin and has a wall thickness in the range between 0.023 and 0.029 inches. The resulting trombone is lightweight and durable, resis...	08/29/1989
4846038	Neck structure for stringed instruments Improved neck structure for a stringed instrument which utilizes fiber-oriented graphite composite for formation of an elongated T-bar element that serves as the rigidifier and primary part connected between the instrument body and the peghead. The neck s...	07/11/1989
4846039	Neck for stringed musical instruments A neck for stringed musical instruments which is solid in form and constructed of alternating layers of an epoxy resin and powdered carbon mixture, and of longitudinally laid carbon fibers, preferably in the form of carbon fiber ribbon, which have been co...	07/11/1989
4840104	Keyboard A keyboard for a musical instrument is composed of a resin composition, having a durometer hardness of 82 or larger, and the composition comprises a cellulose derivative resin and a silica having 3.0 or less silanol groups in the area of 100 square angstr...	06/20/1989
4719835	Violin chinrest insert An insert for a chinrest for a violin or viola is disclosed for providing the chinrest with a contoured shape to conform to the shape of a performer's chin and jaw. The insert comprises a volume of malleable material capable of retaining an imprint of the...	01/19/1988
4635525	Joining together parts of musical instruments A tenon gasket for a musical wind instrument comprises a strip of plastic material having an adhesive layer on one side and adhered around the tenon of the instrument in the form of a sleeve with the ends of the strip butted. Preferably, a thinner buildup...	01/13/1987
4453444	Key pads A pad for the key cups of wind musical instruments for use in selectively sealing tone holes and spit holes, comprising a plastic disc made up of two layers, one of which is suited for sealing the hole and the other of which is less stiff and carries a la...	06/12/1984
4429608	Stringed musical instrument top A molded plastic guitar top has a sounding board with a circular sound hole located between its upper and lower ends. A plurality of integral circular reinforcing ribs concentrically arranged relative to the sound hole, project from the inner surface of t...	02/07/1984
4408516	Graphite fibre violin A violin is constructed with an acoustic box formed of composite materials, sheets of unidirectional graphite fibre in a resin matrix. The soundboard is constructed of paired sheets of the composite material overlaid and bonded with the sheets symmetrical...	10/11/1983
4368659	Piano pedal assembly A piano pedal assembly includes a plurality of pedals attached to a support member. The support member is of unitary construction, and includes a flat surface area having depressions therein adapted to contain the pedals in the assembly. Each pedal contai...	01/18/1983
4346639	Thermoplastic key face for pianos or the like A key cover plate for a piano or the like is injection-molded thermoplastic material marbleized by incomplete mixing of a color agent. The cover plate simulates the grain of natural ivory and has a Munsell hue of between 4.5Y to 8.8Y to 6.6YR. The cover p...	08/31/1982
4344349	Rim shot segment An arcuate rim shot segment of plastics material is provided for attachment to a drum adjacent the metal hoop thereof to prevent damage to a wooden drum stick during rim shot. The rim shot segment has a semi-cylindrical cross-sectional configuration with ...	08/17/1982
4337683	Synthetic woodwind instrument reed and method for its manufacture A synthetic woodwind reed for use in woodwind instruments such as clarinets, oboes and bassoons. The reed is formed from a plurality of spaced longitudinal ribs fabricated of a graphite reinforced epoxy resin having a high modulus of elasticity and a low ...	07/06/1982

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Class 84/452P - Plastic material