Compartmentalized Patents (Class 5/720)
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Patent number: 8250689Abstract: The support characteristics within a foam mattress body may be varied by inserting reinforcements into channels cut or otherwise formed within the foam.Type: GrantFiled: September 16, 2008Date of Patent: August 28, 2012Assignee: Dreamwell, Ltd.Inventor: Richard F. Gladney
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Publication number: 20120137443Abstract: A mattress system and method according to which a custom mattress is built according to customer-specific parameters. In several exemplary embodiments, the custom mattress includes one or more removable core cartridges and/or one or more removable topper cartridges.Type: ApplicationFiled: February 10, 2012Publication date: June 7, 2012Inventor: John Hunter Howard
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Patent number: 8176589Abstract: A spring mattress is disclosed including a plurality of strings interconnected side by side, each string including a plurality of continuous casings and each casing including a coil spring. Further, in at least one embodiment, at least one of the casings in at least one of the strings includes a plurality of stretch openings into the interior of the casing, wherein at least some of said stretch openings are displaced in relation to each other in a lengthwise direction of the spring. At least one embodiment of the present invention also relates to a method and a device for manufacturing of such a mattress, as well as to a bed adapted for such a mattress.Type: GrantFiled: January 11, 2008Date of Patent: May 15, 2012Assignee: Stjernfjadrar ABInventors: Nils Eric Stjerna, Kenneth Edling
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Patent number: 8176608Abstract: A method of manufacturing spring cushions (10) having slow-acting pocketed spring cores (12) characterized by the individual springs of the cores (12) being sealingly pocketed within semi-impermeable fabric material.Type: GrantFiled: September 8, 2009Date of Patent: May 15, 2012Assignee: L&P Property Management CompanyInventors: Niels S. Mossbeck, Terry W. Moser
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Publication number: 20120102658Abstract: A mattress core including an array of strings of pocket springs extending in parallel across the mattress core; and a fastener coupling the array of pocket springs together, wherein peripheral pocket springs located in peripheral sections of the array are stepped down from crown pocket springs which are framed by the peripheral pocket springs.Type: ApplicationFiled: April 29, 2011Publication date: May 3, 2012Applicant: Mantzis Holdings Pty Ltd.Inventors: George Mantzis, Konstantinos Mantzis
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Publication number: 20120096649Abstract: Provided is a mattress wherein the elastic characteristics of each portion can be changed simply and inexpensively depending on the user's preference. A mattress (10) has a plurality of spring units (60, 70, 80, 90) respectively constituted by holding a plurality of vertically stretchable pocket coils integrally, a lower elastic body (40) in which a housing space (44) capable of housing and holding the spring units (60, 70, 80, 90) is formed, and an upper enclosure (21) and a lower enclosure (30) for covering the outer periphery of the lower elastic body (40), wherein the lower elastic body (40) is provided with a partitioning elastic body (50) for dividing the housing space (44) into a plurality of spaces, and the spring units (60, 70, 80, 90) are formed in such a shape that each of the spring units can be housed in the divided housing spaces (44), and are housed and held in the respective divided housing spaces (44).Type: ApplicationFiled: December 25, 2009Publication date: April 26, 2012Applicant: NITORI HOLDINGS CO., LTD.Inventor: Michihiro Fukano
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Patent number: 8141251Abstract: 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 the support layers (2,9), after which the thus obtained double-coated layer (16) is cut, through the support layers (2,9), in two single-coated layers which each mainly consist of a single support layer (2, 9) with shorter foam springs (14) connected thereto.Type: GrantFiled: February 1, 2007Date of Patent: March 27, 2012Assignee: Imhold, Naamloze VennootschapInventor: Willy Poppe
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Patent number: 8136187Abstract: Spring cushions (10) having slow-acting pocketed spring cores (12) characterized by the individual springs of the cores (12) being pocketed within semi-impermeable fabric material and a method of making such pocketed spring cores (12).Type: GrantFiled: June 19, 2008Date of Patent: March 20, 2012Assignee: L&P Property Management CompanyInventors: Niels S. Mossbeck, Terry W. Moser
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Patent number: 8117700Abstract: A mattress system and method according to which a custom mattress is built according to customer-specific parameters. In several exemplary embodiments, the custom mattress includes one or more removable core cartridges and/or one or more removable topper cartridges.Type: GrantFiled: February 26, 2008Date of Patent: February 21, 2012Inventor: John Hunter Howard
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Patent number: 8099811Abstract: A spring assembly including a helical coil formed from a multi-strand cord.Type: GrantFiled: January 29, 2007Date of Patent: January 24, 2012Assignee: Dreamwell, Ltd.Inventors: Richard F. Gladney, Bernard W. Kuchel, Michael S. DeFranks
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Patent number: 8087114Abstract: A spring mattress includes a plurality of strings interconnected side by side, each string including a continuous casing material with a plurality of pockets, said pockets being defined by at least one longitudinal connecting line extending parallel to the longitudinal direction of the string and a plurality of transverse connecting lines extending transversely to the longitudinal direction of the string, and coil springs arranged in the pockets of the string. For at least one of the springs, casing material portions arranged at the ends of the spring are moved towards each other, through the spring, and connected to each other. The connecting lines are arranged at the side of the springs and, thus, between neighboring springs. The interconnected casing material portions are thus at the ends of the springs essentially free of other connections.Type: GrantFiled: September 8, 2005Date of Patent: January 3, 2012Assignee: Stjernfjädrar ABInventor: Andreas Lundevall
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Publication number: 20110314613Abstract: A bedding or seating product comprising a spring core including at least one border wire and a plurality of coil springs. Each of the border wires is generally rectangular in cross-section to reduce wire costs without compromising beam strength of the border wire. Each of the coil springs may be made of a single piece of wire having a central spiral portion defining a central spring axis and terminating at opposed ends with upper and lower end turns. The coil springs may be arranged in side-by-side rows and columns and be connected with each other at the upper and lower end turns by helical lacing wires.Type: ApplicationFiled: June 23, 2010Publication date: December 29, 2011Applicant: L&P PROPERTY MANAGEMENT COMPANYInventors: David S. Haffner, John E. Hull, Steven M. Montague, Darrell A. Richmond, Thomas W. Wells
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Publication number: 20110265266Abstract: A mattress core including an array of strings of pocket springs extending in parallel across the mattress core; and a fastener coupling the array of strings of pocket springs together, wherein said array of strings of pocket springs includes single strings of pocket springs and double strings of pocket springs, each double string of said double strings of pocket springs including a superior string of pocket springs and an inferior string of pocket springs.Type: ApplicationFiled: April 28, 2011Publication date: November 3, 2011Applicant: Mantzis Holdings Pty Ltd.Inventor: George Mantzis
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Patent number: 8011046Abstract: A spring mattress for beds is disclosed. In at least one embodiment, the spring mattress includes a plurality of strings which are interconnected side by side and include a continuous casing material with a plurality of separate pockets with coil springs enclosed therein. Moreover the casing material for at least some pockets is at least substantially airtight, thus providing a resistance to air being pressed out when the springs of the mattress are loaded, which, when subjected to a uniform load during a transition period, results in a gradually increasing depression of the spring to its depressed state. This results in a comfortable mattress, into which the user sinks gradually and which thus is comfortable and safe and allows the user to move easily. A corresponding method and device for manufacturing such a mattress are also described.Type: GrantFiled: March 8, 2007Date of Patent: September 6, 2011Assignee: Stjernfjadrar ABInventor: Nils Eric Stjerna
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Patent number: 8001639Abstract: A stiffening system for the perimeter edges of a foam core mattress comprising a coil spring (or other spring-based) structure disposed along one or more perimeter edges (e.g., one or both side edges, the foot, the head, or a combinations thereof including the foot and both side edges) of a mattress having a foam sleeping area. The perimeter spring structure is rectangular or square in cross-section and provides sufficient stiffness for comfortable seating on the edges of the mattress and is joined to the foam core by planar fabric elements that span the joint between them and are attached to both. The sleep area provides the softness and other salutary effects of a foam sleeping surface while the stiffer spring perimeter element provides the rigidity need for comfortable seating and wear resistance.Type: GrantFiled: August 17, 2009Date of Patent: August 23, 2011Assignee: Dreamwell, Ltd.Inventors: Richard F. Gladney, Kevin Damewood
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Patent number: 7979935Abstract: An innerspring assembly includes a plurality of first springs arranged side-by-side in axis-parallel relationship and wound in the form of a helix. Several first springs which are arranged behind one another in a row define a spring strand. An edge reinforcement is formed by second springs placed on at least two opposite borders of the innerspring assembly, with each second spring being connected with two first springs of an adjacent spring strand.Type: GrantFiled: May 20, 2009Date of Patent: July 19, 2011Assignee: AGRO Holding GmbHInventor: Wolfgang Grothaus
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Patent number: 7954189Abstract: An aspect of the present invention relates to a method and system of receiving information of a user's support facility comfort requirements; using a software application to determine a proper support facility firmness configuration to match the user's requirement; selecting foam springs with the proper user required firmness as determined by the software application; and configuring the selected foam springs within the support facility to match the user's firmness requirements.Type: GrantFiled: October 22, 2007Date of Patent: June 7, 2011Inventor: Martin B Rawls-Meehan
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Patent number: 7908693Abstract: A mattress innerspring having coil-in-coil springs arranged in an array. Each coil-in-coil spring an outside helical coil and an inside helical coil, wherein the outside helical coil has a greater height and diameter than the inside helical coil, each coil having a dual spring rate between that of the outside helical coil and the combined spring rates of the outside and inside helical coils. The coil-in-coil springs may be pocketed or unpocketed in a mattress innerspring.Type: GrantFiled: April 14, 2010Date of Patent: March 22, 2011Assignee: Sealy Technology LLCInventor: Larry K. DeMoss
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Publication number: 20110010249Abstract: A sleep support member and a method for recommending a sleep support member to a person. The sleep support member includes: a support layer including a plurality of support zones; and a comfort layer including a plurality of comfort zones, wherein the comfort layer is disposed above the support layer. Each of the support zones is configured to provide customized support characteristics to a corresponding region of a person's body and each of the comfort zones is configured to provide customized comfort characteristics to a corresponding region of the person's body.Type: ApplicationFiled: March 20, 2009Publication date: January 13, 2011Inventors: Robert D. Oexman, David B. Scott
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Patent number: 7814594Abstract: A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narrowing taper that permits the top to move independent of other adjacent springs.Type: GrantFiled: August 29, 2008Date of Patent: October 19, 2010Assignee: Dreamwell, Ltd.Inventors: Michael S. DeFranks, Bernhard W. Kuchel
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Publication number: 20100257675Abstract: A mattress innerspring having coil-in-coil springs arranged in an array. Each coil-in-coil spring an outside helical coil and an inside helical coil, wherein the outside helical coil has a greater height and diameter than the inside helical coil, each coil having a dual spring rate between that of the outside helical coil and the combined spring rates of the outside and inside helical coils. The coil-in-coil springs may be pocketed or unpocketed in a mattress innerspring.Type: ApplicationFiled: April 14, 2010Publication date: October 14, 2010Inventor: Larry K. DeMoss
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Publication number: 20100212090Abstract: A spring mattress for beds is disclosed. In at least one embodiment, the spring mattress includes a plurality of strings which are interconnected side by side and include a continuous casing material with a plurality of separate pockets with coil springs enclosed therein. Moreover the casing material for at least some pockets is at least substantially airtight, thus providing a resistance to air being pressed out when the springs of the mattress are loaded, which, when subjected to a uniform load during a transition period, results in a gradually increasing depression of the spring to its depressed state. This results in a comfortable mattress, into which the user sinks gradually and which thus is comfortable and safe and allows the user to move easily. A corresponding method and device for manufacturing such a mattress are also described.Type: ApplicationFiled: March 8, 2007Publication date: August 26, 2010Inventor: Nils Eric Stjerna
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Publication number: 20100180385Abstract: A spring tube (1) encloses in known way a plurality of springs (2) arranged side by side, with facing parts of the wall (11) of the tube (10) joined, between one spring (2) and a subsequent spring, by welding lines (12), so that each spring (2) is contained in a portion (13) of tube (10), closed and separated from adjacent portions (13). The welding lines (12) have a predetermined minimum width (L) and are cut from one side of the tube inwards, so that each of the closed portions (13), containing a spring (2), can be compressed without any effect on the adjacent portions (13). this improves comfort while using a mattress manufactured with grouped spring packs (S) obtained from the spring tube (1). According to a second preferred embodiment, the spring tube (1) is cut along the welding lines at both sides.Type: ApplicationFiled: May 30, 2007Publication date: July 22, 2010Inventors: Cesare Petrolati, Doriano Rossi, Tom Wells
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Patent number: 7748065Abstract: A spring mattress is described, including a plurality of strings interconnected side by side. Each string includes a plurality of continuous casings and, enclosed therein, coil springs. Moreover, between at least some of the springs in at least one of the strings a slot is arranged which opens towards the upper or lower side of the mattress. It is preferred for the springs between which the slot is arranged to be separated with an intermediate separation distance, which separation distance exceeds about 10% of the diameter of the largest turn of the adjoining springs. In addition, it is preferred for the casing portions to be arranged at the ends of the spring to be moved towards each other, through the spring, and connected to each other by at least one connecting device.Type: GrantFiled: April 26, 2005Date of Patent: July 6, 2010Assignee: Stjernfjadrar ABInventor: Kenneth Edling
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Publication number: 20100139006Abstract: The invention relates to a suspension pocketed spring system containing steps of manufacture of standard pocketed springs (10) manufactured for use in inner construction systems used to provide flexibility between platforms/layers where to be located and separate connection of short pocketed springs (20) to each other in a manner to form a space (23) and manufacture method of itType: ApplicationFiled: August 24, 2007Publication date: June 10, 2010Applicant: Sipahioglu Celik Yay Ve Yan Urunleri Sanayi Ve Ticaret Limited SirketiInventor: Ersen Kilic
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Patent number: 7661165Abstract: An adjustable spring mattress includes a plurality of parallelepipedal bodies made of a synthetic elastic material and being mutually coupled together. Each body houses an inner coil spring, and is separated from adjoining bodies through a throughgoing hole. The bodies are partially separated by V-shaped separating slots which longitudinally and transversely traverse the mattress.Type: GrantFiled: April 1, 2008Date of Patent: February 16, 2010Assignee: New Wind S.r.l.Inventors: Antonio Piccinini, Filippo Piccinini
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Publication number: 20100011509Abstract: A spring mattress is disclosed including a plurality of strings interconnected side by side, each string including a plurality of continuous casings and each casing including a coil spring. Further, in at least one embodiment, at least one of the casings in at least one of the strings includes a plurality of stretch openings into the interior of the casing, wherein at least some of said stretch openings are displaced in relation to each other in a lengthwise direction of the spring. At least one embodiment of the present invention also relates to a method and a device for manufacturing of such a mattress, as well as to a bed adapted for such a mattress.Type: ApplicationFiled: January 11, 2008Publication date: January 21, 2010Inventors: Nils Eric Stjerna, Kenneth Edling
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Patent number: 7644461Abstract: This invention relates to a foam integrated innerspring mattress and method of manufacture wherein a flexible polyurethane foam is adhered onto the top and bottom of individually wrapped pocket innersprings, and additional polyurethane foam is molded onto the sides of the mattress.Type: GrantFiled: August 14, 2006Date of Patent: January 12, 2010Assignee: Zinus, Inc.Inventor: Youn Jae Lee
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Patent number: 7636972Abstract: Spring cushions having slow-acting pocketed spring cores characterized by the individual springs of the cores being sealingly pocketed within semi-impermeable fabric material and a method of making such pocketed spring cores.Type: GrantFiled: February 7, 2007Date of Patent: December 29, 2009Assignee: L&P Property Management CompanyInventors: Niels S. Mossbeck, Terry W. Moser
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Publication number: 20090211028Abstract: An adjustable bed includes an articulated deck comprising head, seat, leg and foot deck boards hingedly joined together and supported from a frame located above a stationary base. A intermediate cushioning layer, including a pocketed coil spring assembly, is secured to the deck boards. A mattress or similar structure resides on top of the intermediate cushioning layer.Type: ApplicationFiled: February 26, 2008Publication date: August 27, 2009Applicant: L&P PROPERTY MANAGEMENT COMPANYInventors: Darrell A. Richmond, William R. Rohr
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Patent number: 7574763Abstract: A stiffening system for the perimeter edges of a foam core mattress comprising a coil spring (or other spring-based) structure disposed along one or more perimeter edges (e.g., one or both side edges, the foot, the head, or a combinations thereof including the foot and both side edges) of a mattress having a foam sleeping area. The perimeter spring structure is rectangular or square in cross-section and provides sufficient stiffness for comfortable seating on the edges of the mattress and is joined to the foam core by planar fabric elements that span the joint between them and are attached to both. The sleep area provides the softness and other salutary effects of a foam sleeping surface while the stiffer spring perimeter element provides the rigidity need for comfortable seating and wear resistance.Type: GrantFiled: May 21, 2007Date of Patent: August 18, 2009Assignee: Dreamwell, Ltd.Inventors: Richard F. Gladney, Kevin Damewood
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Publication number: 20090183315Abstract: Dampened and zoned innersprings for use in support systems such as mattresses and furniture have dampening inserts in the form of foam pieces which fit integrally with the springs or coils of an innerspring. Dampened innersprings with one or more foam dampeners inserted between springs or coils of an innerspring, and more particularly foam dampener inserts which are configured to extend between multiple adjacent or aligned springs or coils, and which also have segments which fit between individual turns or convolutions of each spring or coil with which the insert is engaged Mechanical engagement of the innerspring by the foam dampening inserts insures alignment and registration of the innerspring and foam components, and compression and recoil of the individual coils of the innerspring occurs in conjunction with compression and decompression of the foam dampening inserts.Type: ApplicationFiled: January 18, 2008Publication date: July 23, 2009Inventor: Larry K. DeMoss
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Patent number: 7493668Abstract: A bed mattress including an outer casing adapted to house one or a plurality of different supportive materials within said casing (1) in distinct transverse regions wherein fixed supportive materials (7, 9, 11) are provided at the top and bottom regions of said mattress corresponding to the head and foot regions of a user; and an intermediate region so formed between is provided with a transverse assay of fixed supportive materials (11) having vacant regions between adjacent materials, wherein said outer casing has a plurality of ports (4) corresponding to said vacant regions which are adapted to facilitate the ready insertion, removal and/or replacement of one or more auxiliary supportive materials (10) so as to allow the user to vary the supportive quality of said intermediate region of said mattress.Type: GrantFiled: August 23, 2001Date of Patent: February 24, 2009Inventor: Mario Piraino
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Publication number: 20090038080Abstract: The field of the present invention pertains to knockdown mattresses. More particularly, the present invention relates to mattresses that can be assembled and disassembled by the end user. The present invention when assembled or reassembled presents a visual impression to the end user looks like a conventional “factory assembled” mattress. The invention further provides for a modular mattress assembly kit that can be shipped by express delivery services while taking up far less volume than a conventional mattress.Type: ApplicationFiled: August 7, 2007Publication date: February 12, 2009Inventor: Neil Grigg
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Publication number: 20090014929Abstract: The invention relates to a support element (1), comprising a top plate (2) and a spring element (3) arranged thereon, whereby the spring element (3) has a coiled embodiment which tapers away from the top plate (2) in the form of a cone. According to the invention, a support element (1) which is both simple and economical to produce and which has a reliable application in long term use may be achieved, whereby the top plate (2) is made from plastic, the spring element (3) is made from plastic and the spring element (3) has a multiple winding embodiment.Type: ApplicationFiled: November 18, 2004Publication date: January 15, 2009Applicant: Spiroplex GmbHInventors: Ernst Bock, Udo Feldotto
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Publication number: 20080282476Abstract: A spring mattress is described, comprising a plurality of strings interconnected side by side, each string comprising a continuous casing material with a plurality of pockets, said pockets being defined by at least one longitudinal connecting line extending parallel to the longitudinal direction of the string and a plurality of transverse connecting lines extending transversely to the longitudinal direction of the string, and coil springs arranged in the pockets of the string. For at least one of the springs, casing material portions arranged at the ends of the spring are moved towards each other, through the spring, and connected to each other. Moreover “the connecting lines are arranged at the side of the springs and, thus, between neighbouring springs. Preferably, the interconnected casing material portions are thus at the ends of the springs essentially free of other connections. Also a method and a device for manufacturing such a mattress are disclosed.Type: ApplicationFiled: September 8, 2005Publication date: November 20, 2008Applicant: STJERNFJÄDRAR ABInventor: Andreas Lundevall
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Patent number: 7418753Abstract: A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narrowing taper that permits the top to move independent of other adjacent springs.Type: GrantFiled: August 23, 2005Date of Patent: September 2, 2008Assignee: Dreamwell, LtdInventors: Bernhard W. Kuchel, Michael S. DeFranks
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Publication number: 20080189867Abstract: Various embodiments of this invention disclose a mattress with two cover layers that enclose a spring grid array core wherein the springs are mounted back to back on a single grid support. The spring array is surrounded by a frame layer and is divisible into separate recumbence areas by supportive flanges.Type: ApplicationFiled: April 11, 2008Publication date: August 14, 2008Inventor: Rainer Wieland
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Publication number: 20080184492Abstract: A mattress, preferably for use on a bed, comprising a plurality of springs (2) arranged in a mattress body. The mattress is characterized in that at least a part of the mattress body is formed of an insert element (5) of foam plastic material. This insert element is preferably positioned at the end of the mattress.Type: ApplicationFiled: May 4, 2006Publication date: August 7, 2008Inventor: Trond Sunde
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Publication number: 20080184493Abstract: Spring cushions having slow-acting pocketed spring cores characterized by the individual springs of the cores being sealingly pocketed within semi-impermeable fabric material and a method of making such pocketed spring cores.Type: ApplicationFiled: February 7, 2007Publication date: August 7, 2008Applicant: L&P PROPERTY MANAGEMENT COMPANYInventors: Niels S. Mossbeck, Terry W. Moser
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Publication number: 20080128965Abstract: The invention relates to an upholstery spring device (1), especially for upholstery cushions, mattresses, or similar, comprising a plurality of upholstery spring elements (2). The aim of the invention is to create an upholstery spring device (1) which can be used with a great degree of flexibility while being simple and inexpensive to produce. Said aim is achieved by an upholstery spring device (1) comprising a plurality of adjacent upholstery spring elements (2) which are joined to each other by means of a flexible connecting device (5, 120) so as to form a joint unit.Type: ApplicationFiled: February 21, 2006Publication date: June 5, 2008Applicant: SPIROPLEX GMBHInventor: Klaus Bock
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Publication number: 20080072382Abstract: A mattress has a perimeter rail having a head end, a foot end, and two sides, each having an inner surface, and at least two substantially parallel rectilinear sections. Each section comprises an array of springs whose tension is selected to provide a predetermined firmness for that section. Each adjacent pair of sections is urged into a spaced-apart relationship by a spacing means, where each spacing means comprises a flexible spacer. The flexible spacer restricts or substantially eliminates the translation of movements between the sections of the mattress, while avoiding the use of uncomfortable separation means.Type: ApplicationFiled: September 12, 2007Publication date: March 27, 2008Inventor: Michael E. James
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Patent number: 7325267Abstract: The present invention concerns a frame mattress comprising a frame (1) with a spring inlay (3) surrounded by the frame, and a material (2) over the spring inlay, together with a reversible mattress (5), arranged for abutting the material (2), and a cover (7) enveloping the reversible mattress (5) and at least partly the frame (1), characterised in that the material (2) is at least partly detachable and that the spring inlay (3), constituting a principally form stable unit, is reversibly arranged in the frame (1).Type: GrantFiled: July 15, 2004Date of Patent: February 5, 2008Assignee: Wonderland ASInventor: Odd Slettaøyen
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Publication number: 20070204407Abstract: This invention relates to a foam integrated innerspring mattress and method of manufacture wherein a flexible polyurethane foam is adhered onto the top and bottom of individually wrapped pocket innersprings, and additional polyurethane foam is molded onto the sides of the mattress.Type: ApplicationFiled: August 14, 2006Publication date: September 6, 2007Inventor: Youn Jae Lee
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Patent number: 7211167Abstract: A method for the manufacture of an innerspring assembly, suitable for a mattress, cushion, or the like, is disclosed. In one aspect, the method involves the steps of: positioning a first string of pocketed coil springs in juxtaposition with a plurality of adhesive applicators disposed in mutually fixed relation on an axis parallel to a longitudinal axis of the first string; applying adhesive from the adhesive applicators to the first string of pocketed coil springs; and bringing the first string of pocketed coil springs into adhesive contact with a second string of pocketed coil springs. An apparatus for carrying out the method, and innerspring assemblies produced by the method, are also disclosed.Type: GrantFiled: March 13, 2000Date of Patent: May 1, 2007Assignee: Springform Technology LimitedInventor: Ian James Whitworth
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Patent number: 7194777Abstract: A mattress comprising coil springs arranged as spring units in covering pockets, a so-called pocket mattress, is provided. The spring units of the mattress are arranged in succession in elongate strings, the mattress comprising a plurality of such interconnected strings arranged side by side. A distinguishing feature of the mattress is that at least one spring unit within at least one string has a height that differs from the height of the other spring units within the same string. A method and a device for manufacturing such a mattress are also provided.Type: GrantFiled: October 24, 2003Date of Patent: March 27, 2007Inventors: Kenneth Edling, Mikael Johansson
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Patent number: 7178187Abstract: Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattresses. The coil springs are asymmetric about an axis of the coil or a horizontal reference plane, or both, and with ends of the coil springs shaped and sized differently to accommodate different mounting and support arrangements. Asymmetric coil springs can be contained in individual pockets or strings of pockets and arranged together to form an asymmetric pocketed coil innerspring for use in a one-sided mattress.Type: GrantFiled: August 28, 2004Date of Patent: February 20, 2007Assignee: Sealy Technology LLCInventors: Bruce G. Barman, Larry DeMoss
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Patent number: 7168117Abstract: A spring assembly including a helical coil formed from a multi-strand cord.Type: GrantFiled: February 19, 2004Date of Patent: January 30, 2007Assignee: Dreamwell Ltd.Inventors: Richard F. Gladney, Bernhard W. Kuchel
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Patent number: 7048263Abstract: A spring mattress comprising a plurality of interconnected coil springs (1) enclosed in covers (2), known as a pocket-spring mattress, is described, wherein at least two springs that are located adjacent to one another are spaced apart by an interjacent separation distance (SA), said separation distance exceeding approximately 10% of the diameter of the largest one of the spiral turns of the adjacent springs. Also described is a method of manufacturing a corresponding mattress.Type: GrantFiled: November 23, 2001Date of Patent: May 23, 2006Assignee: Stjernfjädrar ABInventor: Robert Ahlqvist
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Patent number: 6986182Abstract: A bedding or seating product comprises a pocketed spring assembly having a plurality of parallel strings of springs joined to each other. Each of said strings of springs comprises a row of interconnected pockets, each of the pockets containing at least one spring encased in a fabric pocket. An inflatable member is sandwiched between a lower scrim sheet and some strings of springs. When inflated, the inflatable member preloads select areas of the product.Type: GrantFiled: June 10, 2004Date of Patent: January 17, 2006Inventor: Niels S. Mossbeck