Class 29/896.92 - For human comfort

Subclass of Class 29 - Metal working
Definition: Process wherein the elastic device is especially adapted
No. of patents: 26
Last issue date: 03/27/2012

Number	Title	Issue Date
8141251	Method for manufacturing a filling material Method for manufacturing a filling material, characterised in that it consists at least in providing cylindrical foam springs (14) between two support layers (2,9) and in fixing them to the latter, for example by gluing the crosscut ends (15) to...	03/27/2012
7921561	Bedding or seating product made with coil springs having unknotted end turns with bumps Disclosed herein is a bedding or seating product (10) having a spring core (12) comprising coil springs (26) having unknotted end turns (72, 74) made from high tensile strength wire. In each embodiment, the end turns (72, 74) of th...	04/12/2011
7166678	Rubber composition and vibration damper using the rubber composition A torsional vibration damper or other vibration damping device with a rubber vibration absorbing element. The rubber element is a peroxide-cured composition comprising 100 parts of ethylene-alpha-olefin elastomer, and 20 to 100 parts of substantially isobutylene or ...	01/23/2007
7047581	Stranded mattress spring A mattress construction with a stranded wire spring is disclosed. The stranded wire spring can be designed with the same performance characteristic as a conventional single strand coil spring, but at a lower manufacturing and material cost. ...	05/23/2006
6986203	Manufacturing method for a composite coil spring A manufacturing method for a composite coil spring includes the following steps: preparing a mold, winding a coil former around a mandrel of the mold, winding composite material pre-preg, compressing and heating, opening the mold and detaching the mandrel and the co...	01/17/2006
6954988	Method and apparatus for manufacturing a catalytic converter A method of manufacturing a catalytic converter is described where the catalytic converter is comprised of an outer tube member having a monolith substrate internally compressed therein with a wrapped mat material surrounding the monolith substrate and intermediate ...	10/18/2005
6922895	Apparatus for the production of pocketed coil springs An apparatus for the production of pocketed coil springs is disclosed. The apparatus includes a coiling section in which a coil is formed from wire fed to the coiling section, the coiling section including coiling elements, whose position and/or orientation determin...	08/02/2005
6622384	Method and apparatus for forming spring units A method and apparatus for forming spring units for use in a mattress, bed, divan bed, or other upholstered unit, the method including the step of inserting a second spring (12A) into a first spring immediately prior to said first spring being formed into...	09/23/2003
6408514	Manufacture of pocketed compound nested coil springs A system and method for manufacturing pocketed compound nested coil springs includes inserting a compressed, preferably pocketed, smaller coil spring into a vertically oriented larger coil spring either prior to compressing and inserting the outer coil sp...	06/25/2002
6374495	Apparatus and method for securing borderwires to mattress innersprings An apparatus and method are provided for applying clips to mattress spring assemblies in a highly accurate and fast manner via operating or positioning members that properly position the innerspring coils relative to the borderwires for clipping thereof. ...	04/23/2002
6263573	Seating product with sinuous spring assemblies A seating product comprising a plurality of sinuous spring assemblies secured at opposite ends to a frame. Each of the sinuous spring assemblies comprises length of webbing having a pair of opposed end portions which are secured to the frame and a sinuous...	07/24/2001
6175997	Pocketed coil spring mattress cores A method of assembling strings of pocketed coil springs into an innerspring core which may be used as the core of a mattress, cushion or similar body support foundation uses plastic netting reinforced nonwoven webs supplied between a pair of spaced apart ...	01/23/2001
6122900	Manufacture of pocketed compound nested coil springs A system and method for manufacturing pocketed compound nested coil springs includes inserting a compressed, preferably pocketed, smaller coil spring into a horizontally oriented larger coil spring either prior to compressing and inserting the outer coil ...	09/26/2000
6101718	Process for producing a new improved mattress from a used mattress The invention relates to an improved mattress comprising an inner spring assembly from a used mattress wherein the inner spring assembly has been stripped of its outer covering of ticking and padding material, heat treated to provide stress relief to the ...	08/15/2000
6021627	Manufacture of pocketed compound nested coil springs A system and method for manufacturing pocketed compound nested coil springs includes inserting a compressed, preferably pocketed, smaller coil spring into a horizontally oriented larger coil spring either prior to compressing and inserting the outer coil ...	02/08/2000
5930897	Method and apparatus for tempering knotted coil springs Disclosed herein is apparatus for fabricating a coil spring including axially opposite end convolutions having respective ends respectively knotted to the associated end convolutions, which apparatus comprises a frame, a coil forming device mounted on the...	08/03/1999
5894664	Seating suspension assembly formation method A seating suspension assembly provides efficiency in the manufacture of upholstered furniture such as chairs, sofas or the like. The preferred form of the invention comprises a pair of flexible, durable fabric straps having coil springs fixedly positioned...	04/20/1999
5570874	Furniture spring assembly with elastic webbing A furniture seat spring assembly is presented which allows simplicity and economical seating for chairs, sofas or the like. The spring assembly comprises a U-shaped base having an eccentrically positioned coil spring which is covered with an elastic webbi...	11/05/1996
5471725	Method for manufacturing mattresses or box springs, including improved spring transfer A method is provided which provides an improved manner in which to manufacture innerspring constructions including individual springs. A rotating bristled brush is used to urge individual springs along a path from one position to another....	12/05/1995
5454150	Manufacturing methods for machining spring ends parallel at loaded length A first end surface of a coiled compression spring at its relaxed length is machined to a plane transverse to the spring axis. The spring is then placed in a press structure having first and second opposed planar support surfaces, with the machined spring...	10/03/1995
4961254	Process for manufacturing a torsional vibration damping device Process for manufacturing a torsional vibration damping device where a vulcanizable rubber mixture is placed in the interspace between a pot-like hub ring and an inertial ring. The hub ring is permanently expanded in radial direction following the vulcani...	10/09/1990
4907327	Device for automatically securing a borderwire on a mattress innerspring A device for automatically securing a borderwire on a mattress innerspring comprising a plurality of coils is disclosed. The device comprises a tool for sequentially joining segments of the borderwire to perimeter ones of the coils located along a perimet...	03/13/1990
4726106	Method and apparatus for forming a row of spring coils from a continuous length of wire A single continuous length of wire is formed into a continuous length spiral or helix, which is subsequently placed onto a moving chain conveyor having pins upstanding therefrom. The helix then is folded into a wave configuration for establishing a row of...	02/23/1988
4719683	Preloaded spring, method and apparatus for forming same A closely wound, coil type tension spring of one hand having an initial tension exceeding that obtainable by prior spring forming techniques is formed by reverse winding an open-wound compression spring of the opposite hand. Alternative methods and appara...	01/19/1988
4682394	Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same A bedding foundation box spring having novel double twist coil springs interconnecting a wooden base frame and a top wire grid. The coil springs each comprise a single length of wire having a middle section located in a diametral plane of one end convolut...	07/28/1987
4111241	Spring forming means in automatic coil spring assembling machine Automatic machinery for producing assemblies of coil springs wherein wire is fed to a coiling station for the formation of individual coil springs and wherein transport equipment delivers the coil springs to an assembly station where the springs are tied ...	09/05/1978

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Class 29/896.92 - For human comfort