US3869739A - Cushion or mattress construction - Google Patents
Cushion or mattress construction Download PDFInfo
- Publication number
- US3869739A US3869739A US416534A US41653473A US3869739A US 3869739 A US3869739 A US 3869739A US 416534 A US416534 A US 416534A US 41653473 A US41653473 A US 41653473A US 3869739 A US3869739 A US 3869739A
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- US
- United States
- Prior art keywords
- casings
- bottom walls
- coil springs
- synthetic fabric
- foam
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/04—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with spring inlays
- A47C27/06—Spring inlays
- A47C27/063—Spring inlays wrapped or otherwise protected
- A47C27/064—Pocketed springs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/20—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with springs moulded in, or situated in cavities or openings in foamed material
Definitions
- the top and bottom of the Casings are [51] Int. Cl. A47c 27/04, A47C 27/20 hesively bonded to the inner Surface of Op and [58] Fleld of Search 5/345, 351, 353, 354 bot wans, and no clips or ties of an are qu' in the construction of the product.
- the foam 1 1 References C'ted structure is composed of 1a foam UNITED STATES PATENTS Tho on ct a1. 5/353 Crit 3,178,735 f 4/1965 Thompson et a1 across 5/353 3,425,068 2/1969 Bechtoldt 5/353 Primary Attorne aminer em, or
- e adhesive has a str affinity for the foa nd for the synthetic fabric so a thin layer of th e provides an instanam and the synthetic taneous firm bond between t fabric.
- the cushion or mattress of the invention in the illus- A cushion or mattress construction is described in trated embodiment shown in FIGS. 1-4, includes a plu- US. Pat. No. 2,862,214 which is assigned to the present assignee.
- the construction described in the patent includes a boxlike structure composed of latex-coated hair pads which form the top, bottom and sides of the structure.
- the cavity within the structure is filled with coil springs contained in pockets formed of a burlap strip.
- the coil springs extend between the top and bottom of the structure, and the springs are completely enclosed in the burlap pockets.
- the springs and burlap casings completely fill the cavity within the structure.
- the tops and bottoms of the burlap pockets are glued to the inner surfaces of the top and bottom latex-coated hair pads.
- the foam is more flexible, easier to cut and handle, and amenable to a wider range of cushion densities, than is the latex hair material used in the prior art.
- no clips or ties of any kind are used in the construction of the cushion or mattress in the practice of the invention, and the adhesive is the sole element which maintains the product in a unitized condition.
- FIG. 1 is a perspective view of a cushion or mattress which may be constructed in accordance with the concepts of the invention
- FIG. 2 is a plan view of the structure of FIG. 1, with the top wall removed to reveal the internal components of the structure;
- FIG. 3 is a fragmentary sectional view of the structure, on an enlarged scale with respect to the representation of FIG. 2, and taken along the line 3--3 of FIG. 2;
- FIG. 4 is an exploded perspective representation of the structure, illustrating the various components which make up the assembly.
- the synthetic fabric used for the casings may be of a type marketed by the Phillips Fibers Corporation of Greenville, South Carolina. Three synthetic fabrics have been used in constructed embodiments of the invention, and all have been found to be satisfactory. These three fabrics, all obtained from the Phillips Fiber Corporation, have the following compositions: Fabric A, 97 percent olefin, 3 percent polyester; Fabric B, 54 percent olefin, 43 percent nylon, 3 percent polyester; and Fabric C, 65 percent olefin, 32 percent nylon, 3 percent polyester.
- the springs l, encased in the compartments or casing 2of the synthetic fabric material are placed in an internal cavity formed by a box-like structure which, in turn, includes a bottom pad 4, preferably of uniform thickness, side wall pads 5, and a top wall pad 7.
- the pads 4, 5 and 7 may be composed, for example, of latex or urethane foam, or the equivalent.
- the coil springs 1 in their compartments 2 are contained within the cavity formed in the interior of the box-like structure in sideby-side relationship, as shown in FIG. 2, with the coil springs extending between the bottom wall 4 and the top wall 7.
- An adhesive layer 6 on the inner surface of the top wall 7, and on the inner surface of the bottom wall 4, serves to bond the top and bottom walls 7 and 4 to the side walls 5 and to the tops and bottoms of the casings 2 of the synthetic fabric.
- the synthetic fabric forming the casing 2, and the foam forming the top and bottom walls 7 and 4, each has low porosity, so that relatively small amounts of glue may be used to form the adhesive layers 6, and yet to achieve a firm adhesive bond between the top and bottom walls on one hand and the tops and bottoms of the casings 2 on the other hand.
- a neoprene base adhesive with resin modifiers has been found to be excellent for the purpose, because of the strong affinity of such an adhesive for the urethane foam and for the synthetic fabric.
- the resulting structure of the invention is relatively simple to manufacture because of the ease with which the foam and the synthetic fabric can be handled, cut and worked. Also, the assembly is economical because relatively small amounts of adhesive need be used, as compared with the prior art structures, and because of the low porosity of the foam and the synthetic fabric.
- the invention provides, therefore, an improved cushion or mattress which is relatively economical and easy to fabricate, since it does not require any clips or ties of any kind, and yet which is sturdy in its construction and capable of long usage.
- a cushion or mattress comprising: by said casings, in which said ,synthetic fabric inan encasing structure defining an enclosed cavity and l d l fi nylon d l t d havmg top and bottom walls formed Oflatex or a thin adhesive layer bonding said casings to the intethane foam material;
- each of said top and bottom walls a plurality of CO1] springs and a corresponding plural- 5 2 Th r man t t r d ity of synthetic fabric casings for said coil springs 6 Gus O ress S we u 6 me m c completely filli Said cavity in side by side rela 1, in which said adhesive layer comprises a neoprene tionship with said coil springs extending between base adheslve Wlth ymg e ms. said top and bottom walls and completely enclosed
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- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
A cushion or mattress is provided which is formed of a plastic foam structure having top and bottom walls containing a plurality of coil springs extending between the top and bottom walls, each of the coil springs being completely enclosed in a synthetic fabric casing, and the springs and casings completely filling the interior of the foam structure in a side-by-side relationship. The top and bottom of the casings are adhesively bonded to the inner surface of the top and bottom walls, and no clips or ties of an kind are required in the construction of the product. The foam structure is composed of latex or urethane foam, and the casings are formed of a fabric material composed of olefin, nylon and polyester. The adhesive has a strong affinity for the foam and for the synthetic fabric so that a thin layer of the adhesive provides an instantaneous firm bond between the foam and the synthetic fabric.
Description
Unite States Patent [191 Klein 1 Mar. 11, 1975 1 1 CUSHION OR MATTRESS CONSTRUCTION [75] Inventor: Donald L. Klein, Los Angeles, Calif. ABSTRACT [7 3] Assignee: Marspring Corporation, Los A cushion or mattress is provided w is form f Angeles Calif a plastic foam structure having top bottom s containing a plurality of coil spring tending be- [22] Flled: 1973 tween the top and bottom walls, e of the coil [21] Appl. No.: 416,534 springs b completely enclosed in a s etic fabric casing, a he springs and casings co tely filling the in r of the foam structure in a side-by-side re- [52] US. Cl. 5/353, 5/351 lation The top and bottom of the Casings are [51] Int. Cl. A47c 27/04, A47C 27/20 hesively bonded to the inner Surface of Op and [58] Fleld of Search 5/345, 351, 353, 354 bot wans, and no clips or ties of an are qu' in the construction of the product. The foam 1 1 References C'ted structure is composed of 1a foam UNITED STATES PATENTS Tho on ct a1. 5/353 Crit 3,178,735 f 4/1965 Thompson et a1..... 5/353 3,425,068 2/1969 Bechtoldt 5/353 Primary Attorne aminer em, or
mir A. Nunberg m-Jessup & Beecher tex or urethane and the ngs are formed of a fabr' aterial composed of n, nylon and polyester. e adhesive has a str affinity for the foa nd for the synthetic fabric so a thin layer of th e provides an instanam and the synthetic taneous firm bond between t fabric.
2 Claims, 4 Drawing Figures BACKGROUND OF THE INVENTION DETAILED DESCRIPTION OF THE ILLUSTRATED EMBODIMENT The cushion or mattress of the invention, in the illus- A cushion or mattress construction is described in trated embodiment shown in FIGS. 1-4, includes a plu- US. Pat. No. 2,862,214 which is assigned to the present assignee. The construction described in the patent includes a boxlike structure composed of latex-coated hair pads which form the top, bottom and sides of the structure. The cavity within the structure is filled with coil springs contained in pockets formed of a burlap strip. The coil springs extend between the top and bottom of the structure, and the springs are completely enclosed in the burlap pockets. The springs and burlap casings completely fill the cavity within the structure. The tops and bottoms of the burlap pockets are glued to the inner surfaces of the top and bottom latex-coated hair pads.
The structure described in the patent has enjoyed wide-spread commercial success. However, certain manufacturing difficulties have arisen in the fabrication of the product. For example, effective gluing was found to be very difficult between the rubberized hair pads and the tops and bottoms of the burlap casings. This was because the porous rubberized hair pads absorbed the glue, as did the burlap, so that abnormally large quantities of glue had to be used in order to effectuate a satisfactory bond.
Also, cutting and handling the rubberized hair pads presented problems-since the material is difficult to work with. Also, the oil normally present in the burlap was found to have an adverse effect on the adhesive bond. The disadvantages of the structure described in the patent, both from a manufacturing standpoint and from a use standpoint, are obviated by the improved structure of the present invention. The replacement of the rubberized hair pads by pads of latex or urethane foam in the structure of the present invention, and the replacement of the burlap casings with casings of an olefin/nylon/polyester synthetic fabric, provide homogeneous surfaces of relatively low porosity, so that a superior, complete and uniform bond can be achieved between the casings and the top and bottom walls of the structure with relatively small amounts of glue. Moreover, the foam is more flexible, easier to cut and handle, and amenable to a wider range of cushion densities, than is the latex hair material used in the prior art. Moreover, no clips or ties of any kind are used in the construction of the cushion or mattress in the practice of the invention, and the adhesive is the sole element which maintains the product in a unitized condition.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cushion or mattress which may be constructed in accordance with the concepts of the invention;
FIG. 2 is a plan view of the structure of FIG. 1, with the top wall removed to reveal the internal components of the structure;
FIG. 3 is a fragmentary sectional view of the structure, on an enlarged scale with respect to the representation of FIG. 2, and taken along the line 3--3 of FIG. 2; and
FIG. 4 is an exploded perspective representation of the structure, illustrating the various components which make up the assembly.
rality of helically coiled springs 1 which are encased in compartments 2 provided in a strip 3 of synthetic fabric material. The fabric material thereby provides casings for each of the coil springs l, and the fabric casings completely enclose the individual coil springs.
The synthetic fabric used for the casings may be of a type marketed by the Phillips Fibers Corporation of Greenville, South Carolina. Three synthetic fabrics have been used in constructed embodiments of the invention, and all have been found to be satisfactory. These three fabrics, all obtained from the Phillips Fiber Corporation, have the following compositions: Fabric A, 97 percent olefin, 3 percent polyester; Fabric B, 54 percent olefin, 43 percent nylon, 3 percent polyester; and Fabric C, 65 percent olefin, 32 percent nylon, 3 percent polyester.
The springs l, encased in the compartments or casing 2of the synthetic fabric material are placed in an internal cavity formed by a box-like structure which, in turn, includes a bottom pad 4, preferably of uniform thickness, side wall pads 5, and a top wall pad 7. The pads 4, 5 and 7 may be composed, for example, of latex or urethane foam, or the equivalent. The coil springs 1 in their compartments 2 are contained within the cavity formed in the interior of the box-like structure in sideby-side relationship, as shown in FIG. 2, with the coil springs extending between the bottom wall 4 and the top wall 7.
An adhesive layer 6 on the inner surface of the top wall 7, and on the inner surface of the bottom wall 4, serves to bond the top and bottom walls 7 and 4 to the side walls 5 and to the tops and bottoms of the casings 2 of the synthetic fabric. The synthetic fabric forming the casing 2, and the foam forming the top and bottom walls 7 and 4, each has low porosity, so that relatively small amounts of glue may be used to form the adhesive layers 6, and yet to achieve a firm adhesive bond between the top and bottom walls on one hand and the tops and bottoms of the casings 2 on the other hand. A neoprene base adhesive with resin modifiers has been found to be excellent for the purpose, because of the strong affinity of such an adhesive for the urethane foam and for the synthetic fabric.
The resulting structure of the invention is relatively simple to manufacture because of the ease with which the foam and the synthetic fabric can be handled, cut and worked. Also, the assembly is economical because relatively small amounts of adhesive need be used, as compared with the prior art structures, and because of the low porosity of the foam and the synthetic fabric.
The invention provides, therefore, an improved cushion or mattress which is relatively economical and easy to fabricate, since it does not require any clips or ties of any kind, and yet which is sturdy in its construction and capable of long usage.
Having described the invention as related to a particular embodiment, there is no intention that the inven tion should be limited by any of the details of the description, unless otherwise specified. Rather, the invention is intended to be construed within its spirit and scope as set forth in the accompanying claims.
What is claimed is:
3 4 l. A cushion or mattress comprising: by said casings, in which said ,synthetic fabric inan encasing structure defining an enclosed cavity and l d l fi nylon d l t d havmg top and bottom walls formed Oflatex or a thin adhesive layer bonding said casings to the intethane foam material;
. rior surface of each of said top and bottom walls. a plurality of CO1] springs and a corresponding plural- 5 2 Th r man t t r d ity of synthetic fabric casings for said coil springs 6 Gus O ress S we u 6 me m c completely filli Said cavity in side by side rela 1, in which said adhesive layer comprises a neoprene tionship with said coil springs extending between base adheslve Wlth ymg e ms. said top and bottom walls and completely enclosed
Claims (2)
1. A CUSHION OR MATTRESS COMPRISING: AN ENCASING STRUCTURE DEFINING AN ENCLOSED CAVITY AND HAVING TOP AND BOTTOM WALLS FORMED OF LATEX OR URETHANE FOAM MATERIAL; A PLURALITY OF COIL SPRINGS AND CORRESPONDING PLURALITY OF SYNTHETIC FABRIC CASTINGS FOR SAID COIL SPRINGS COMPLETELY FILLING SAD CAVITY IN SIDE-BY-SIDE RELATIONSHIP WITH SAID COIL SPRINGS EXTENDING BETWEEN SAID TOP AND BOTTOM WALLS AND COMPLETELY ENCLOSED BY SAID CASINGS, IN WHICH SAID SYNTHETIC FABRIC INCLUDES OLEFIN, NYLON AND POLYESTER; AND A THIN ADHESIVE LAYER BONDING SAID CASINGS TO THE INTERIOR SURFACE OF EACH OF SAID TOP AND BOTTOM WALLS.
1. A cushion or mattress comprising: an encasing structure defining an enclosed cavity and having top and bottom walls formed of latex or urethane foam material; a plurality of coil springs and a corresponding plurality of synthetic fabric casings for said coil springs completely filling said cavity in side-by-side relationship with said coil springs extending between said top and bottom walls and completely enclosed by said casings, in which said synthetic fabric includes olefin, nylon and polyester; and a thin adhesive layer bonding said casings to the interior surface of each of said top and bottom walls.
Priority Applications (1)
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US416534A US3869739A (en) | 1973-11-16 | 1973-11-16 | Cushion or mattress construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US416534A US3869739A (en) | 1973-11-16 | 1973-11-16 | Cushion or mattress construction |
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US3869739A true US3869739A (en) | 1975-03-11 |
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US416534A Expired - Lifetime US3869739A (en) | 1973-11-16 | 1973-11-16 | Cushion or mattress construction |
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Cited By (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2451729A1 (en) * | 1979-03-19 | 1980-10-17 | Simmons Co | ASSEMBLY OF SPRINGS WITH BUDDLED CASES AND JOINED IN A CHAPEL |
US4234983A (en) * | 1978-10-02 | 1980-11-25 | Simmons Company | Thermally welded spring pockets |
US4768253A (en) * | 1986-10-06 | 1988-09-06 | Boyd William A | Sleeper sofa mattress |
US5016305A (en) * | 1989-10-05 | 1991-05-21 | Nv B'linea | Innerspring construction for mattresses, cushions, and the like and process for manufacturing said construction |
US5040255A (en) * | 1990-06-06 | 1991-08-20 | Barber Manufacturing Company, Inc. | Cushion or mattress structure |
EP0629369A1 (en) * | 1993-06-18 | 1994-12-21 | Giancarlo Mariani | Flexible cushion particularly for armchairs, couches and pieces of furniture in general |
US5438718A (en) * | 1988-08-05 | 1995-08-08 | Slumberland Holdings Limited | Spring units for mattresses and the like |
EP0699406A1 (en) * | 1994-09-02 | 1996-03-06 | Norma Boxmeer B.V. | A combination of a mattress and a bed frame |
EP0748603A1 (en) * | 1995-06-13 | 1996-12-18 | La Compagnie Continentale Simmons | Mattress |
NL1001032C2 (en) * | 1995-08-23 | 1997-02-25 | Matrassen En Ledikantenfabriek | Resilient mattress arrangement |
US5699998A (en) * | 1993-02-01 | 1997-12-23 | Zysman; Milton | Manufacture of pocket spring assemblies |
US5724686A (en) * | 1997-02-25 | 1998-03-10 | Eastern Sleep Products, Inc. | Cushion or mattress border support |
US6056278A (en) * | 1996-08-07 | 2000-05-02 | Leggett And Platt, Inc. | Seating suspension assembly and method |
ES2151356A1 (en) * | 1997-07-29 | 2000-12-16 | Alana Aizpuru Alberto | Pneumatic mattress. |
WO2001065978A2 (en) * | 2000-03-08 | 2001-09-13 | Graebe Kurtis F | Bed mattress with air cells and spring pockets |
US6315275B1 (en) | 1995-09-18 | 2001-11-13 | Furniture Row Technologies, Llc | Pocket spring assembly and methods |
US6367881B1 (en) | 1999-10-14 | 2002-04-09 | L & P Property Management Company | Coil seating assembly |
US6643876B2 (en) * | 2001-11-21 | 2003-11-11 | Denver Mattress Co., Llc | No-flip mattress and methods for their construction |
US6698166B2 (en) | 1995-09-18 | 2004-03-02 | Springquilt Industries Ltd. | Pocket spring assembly and methods |
US20040117913A1 (en) * | 2000-01-13 | 2004-06-24 | Dreamwell, Ltd. | Bed construction with reduced sagging |
US20040148706A1 (en) * | 2001-11-21 | 2004-08-05 | Denver Mattress Co. Llc | No-flip mattress systems and methods |
US20040187217A1 (en) * | 2003-03-28 | 2004-09-30 | Barman Bruce G. | Unitized thermoplastic foam structures |
US20050000026A1 (en) * | 2002-10-15 | 2005-01-06 | Gladney Richard F. | Tray support for a mattress |
US20050081298A1 (en) * | 2003-10-17 | 2005-04-21 | Wright Richard S. | Mattress assembly and manufacturing process for a mattress using adhesive patches |
US20050097676A1 (en) * | 2003-11-10 | 2005-05-12 | Denver Mattress Co. Llc | High comfort mattresses and methods for constructing them |
WO2005065493A1 (en) * | 2003-12-31 | 2005-07-21 | Dreamwell, Ltd. | Methods for manufacturing encased mattresses |
US20060048304A1 (en) * | 2004-09-07 | 2006-03-09 | Boyd Dennis M | Knock down foam bed |
US20060059631A1 (en) * | 2004-09-17 | 2006-03-23 | Denver Mattress Co., Llc | Mattress systems and methods of making |
US20060096032A1 (en) * | 2003-11-10 | 2006-05-11 | Denver Mattress Co. Llc | High comfort mattresses having fiberballs |
WO2006089705A2 (en) * | 2005-02-22 | 2006-08-31 | Spiroplex Gmbh | Upholstery spring device |
GB2430151A (en) * | 2005-09-17 | 2007-03-21 | Harrison A | Upholstered unit |
US20070204407A1 (en) * | 2006-08-14 | 2007-09-06 | Youn Jae Lee | Foam Integrated Innerspring Mattress And Method of Manufacture |
US20080244828A1 (en) * | 2007-04-06 | 2008-10-09 | Sealy Technology Llc | Mattress foundation with perimeter structure |
US20090222985A1 (en) * | 2008-03-06 | 2009-09-10 | L&P Property Management Company | Stackable bedding foundation having pocketed topper |
US20090313764A1 (en) * | 2006-06-26 | 2009-12-24 | Latexco Nv | Foams formulated with rubber composition based springs |
US20100115703A1 (en) * | 2005-01-25 | 2010-05-13 | Kluft Earl S | Mattress design |
US20110047708A1 (en) * | 2009-09-02 | 2011-03-03 | Denver Mattress Co. Llc | Mattresses with heat dissipation |
US20110173757A1 (en) * | 2009-09-02 | 2011-07-21 | Denver Mattress Co. Llc | Cushioning devices and methods |
GB2485407A (en) * | 2010-11-12 | 2012-05-16 | Harrison Spinks Beds Ltd | Resilient core comprising columns formed from folded pockets filled with resilient material |
CN102588487A (en) * | 2012-02-21 | 2012-07-18 | 喜临门家具股份有限公司 | Variable-diameter columnar type gas pressure spring |
WO2013041894A1 (en) | 2011-09-20 | 2013-03-28 | GAÀLHAB Szivacsfeldolgozó Kft. | Method for manufacturing a foam coating, as well as a spring mattress insert and a foam based article manufactured by the method |
WO2015065504A1 (en) * | 2013-10-28 | 2015-05-07 | Davis Laura M | Low peak pressure body support |
US20150342362A1 (en) * | 2014-05-30 | 2015-12-03 | Sealy Technology, Llc | Pocket coil spring assembly including flexible foam |
US9854921B2 (en) * | 2013-01-10 | 2018-01-02 | Dreamwell, Ltd. | Active airflow temperature controlled bedding systems |
US20180271300A1 (en) * | 2017-03-22 | 2018-09-27 | Dong Guan Aconic Fabric Co., Ltd | Air-conditioned mattress |
US20190045933A1 (en) * | 2017-08-11 | 2019-02-14 | Mohsen Edalati | Body support device and method |
US20190223601A1 (en) * | 2018-01-25 | 2019-07-25 | Anji Grand Orient Furniture Co.,Ltd | Chair cushion and its supporting structure |
US10598242B2 (en) | 2016-05-20 | 2020-03-24 | Sealy Technology, Llc | Coil springs with non-linear loading responses and mattresses including the same |
US11033114B2 (en) | 2015-12-17 | 2021-06-15 | Sealy Technology, Llc | Coil-in-coil spring with variable loading response and mattresses including the same |
US11051631B2 (en) | 2016-01-21 | 2021-07-06 | Sealy Technology, Llc | Coil-in-coil springs with non-linear loading responses and mattresses including the same |
US11076705B2 (en) | 2014-05-30 | 2021-08-03 | Sealy Technology, Llc | Spring core with integrated cushioning layer |
US20220087441A1 (en) * | 2019-11-25 | 2022-03-24 | Guangzhou Lianrou Machinery & Equipment Co., Ltd. | Pocket spring string, pocket spring mattress core, and mattress |
IT202100020693A1 (en) * | 2021-08-02 | 2023-02-02 | Quarrata Forniture S R L | SEMI-FINISHED PRODUCT FOR THE CONSTRUCTION OF A SPRING MATTRESS AND MATTRESS INCLUDING SAID SEMI-FINISHED PRODUCT |
GB2610899A (en) * | 2021-09-21 | 2023-03-22 | Hs Products Ltd | Recyclable mattress and method of manufacture |
US12048380B2 (en) | 2021-06-22 | 2024-07-30 | Sealy Technology, Llc | Spring core with integrated cushioning layer |
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Cited By (92)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4234983A (en) * | 1978-10-02 | 1980-11-25 | Simmons Company | Thermally welded spring pockets |
US4234984A (en) * | 1979-03-19 | 1980-11-25 | Simmons Company | Pocketed spring assembly |
FR2451729A1 (en) * | 1979-03-19 | 1980-10-17 | Simmons Co | ASSEMBLY OF SPRINGS WITH BUDDLED CASES AND JOINED IN A CHAPEL |
US4768253A (en) * | 1986-10-06 | 1988-09-06 | Boyd William A | Sleeper sofa mattress |
US5438718A (en) * | 1988-08-05 | 1995-08-08 | Slumberland Holdings Limited | Spring units for mattresses and the like |
US5016305A (en) * | 1989-10-05 | 1991-05-21 | Nv B'linea | Innerspring construction for mattresses, cushions, and the like and process for manufacturing said construction |
US5040255A (en) * | 1990-06-06 | 1991-08-20 | Barber Manufacturing Company, Inc. | Cushion or mattress structure |
US5699998A (en) * | 1993-02-01 | 1997-12-23 | Zysman; Milton | Manufacture of pocket spring assemblies |
EP0629369A1 (en) * | 1993-06-18 | 1994-12-21 | Giancarlo Mariani | Flexible cushion particularly for armchairs, couches and pieces of furniture in general |
EP0699406A1 (en) * | 1994-09-02 | 1996-03-06 | Norma Boxmeer B.V. | A combination of a mattress and a bed frame |
EP0748603A1 (en) * | 1995-06-13 | 1996-12-18 | La Compagnie Continentale Simmons | Mattress |
FR2735338A1 (en) * | 1995-06-13 | 1996-12-20 | Simmons Cie Continentale | MATTRESS FOR BEDDING |
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