WO2017137754A1 - Unité élastique et procédé de fabrication - Google Patents

Unité élastique et procédé de fabrication Download PDF

Info

Publication number
WO2017137754A1
WO2017137754A1 PCT/GB2017/050331 GB2017050331W WO2017137754A1 WO 2017137754 A1 WO2017137754 A1 WO 2017137754A1 GB 2017050331 W GB2017050331 W GB 2017050331W WO 2017137754 A1 WO2017137754 A1 WO 2017137754A1
Authority
WO
WIPO (PCT)
Prior art keywords
pad
folded
unit according
resilient
springs
Prior art date
Application number
PCT/GB2017/050331
Other languages
English (en)
Inventor
Simon Spinks
David Clare
Michael Gallagher
Original Assignee
Harrison Spinks Components Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201780010507.7A priority Critical patent/CN108697243A/zh
Application filed by Harrison Spinks Components Limited filed Critical Harrison Spinks Components Limited
Priority to JP2018540780A priority patent/JP2019504685A/ja
Priority to BR112018016014A priority patent/BR112018016014A2/pt
Priority to AU2017218566A priority patent/AU2017218566B2/en
Priority to EA201891801A priority patent/EA201891801A1/ru
Priority to SG11201806331XA priority patent/SG11201806331XA/en
Priority to KR1020187025207A priority patent/KR20180109993A/ko
Priority to MX2018009711A priority patent/MX2018009711A/es
Priority to CA3014151A priority patent/CA3014151A1/fr
Priority to EP17711724.9A priority patent/EP3413758A1/fr
Priority to US16/076,911 priority patent/US20190045940A1/en
Publication of WO2017137754A1 publication Critical patent/WO2017137754A1/fr
Priority to ZA2018/05000A priority patent/ZA201805000B/en

Links

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

Definitions

  • the present invention relates to a resilient unit, and to a method of making a resilient unit, and is concerned particularly, but not exclusively, with a resilient unit that can be used for example in an upholstered article such as a mattress or similar.
  • Pocketed springs otherwise known as encased springs, are used in upholstered articles such as mattresses. Most pocketed spring units comprise coil springs encased individually in pockets of fabric material formed by folding over a sheet of fabric to form two leaves that envelope the springs, and then attaching the leaves together between the springs so as to form a string of springs. The strings are then joined to form an array of springs as a pocketed spring unit.
  • the joining of the strings together to form an array is achieved either by gluing the strings together along the cylindrical surfaces of the pocketed springs, one string to the next, and so on until the unit is formed, or else by arranging the strings beside each other in the manner of an array, and then gluing sheets of fabric to the cylindrical ends of the pocketed springs, above and below, so as to form the unit.
  • a resilient unit comprising a folded pad containing rows of resilient elements in discrete pockets formed between superposed sheets of material joined at locations between adjacent resilient elements, wherein between at least some adjacent resilient elements the sheets form a gusset which acts as a hinge when the pad is folded to form the resilient unit.
  • the pad comprises a plurality of gussets, each between adjacent pairs of resilient elements in a longitudinal direction of the pad.
  • successive gussets are located on alternate sides of the folded pad.
  • the resilient elements Preferably at least some of the resilient elements have axes that extend between gussets in the folded pad. Preferably at least some of the resilient elements have axes that are aligned in a substantially parallel fashion in the folded pad. In a preferred arrangement, the sheets are joined at two or more spaced locations between adjacent resilient elements to form the gusset.
  • a single resilient element may be located between successive gussets.
  • a plurality of resilient elements may be located between successive gussets in the pad.
  • the resilient elements may comprise springs.
  • the resilient elements comprise coil springs, which may be of metal wire.
  • the springs may be substantially cylindrical in shape.
  • the springs comprise plural coils and in at least some springs the coil at one end, more preferably the coils at each end, is of a reduced diameter.
  • the springs may be other than cylindrical, such as conical or barrel- shaped for example. This is so that, when the pad is in the folded configuration the free end or ends of the endmost coils of adjacent springs do not interfere with or catch upon one another.
  • the axial length of the spring may exceed the maximum diameter of the spring.
  • the axial length of the spring may be substantially equal to, or may be less than, the maximum diameter of the spring .
  • adjacent resilient elements may be attached together.
  • the adjacent elements may be attached together along an axially extending surface, more preferably a substantially cylindrical surface, of the resilient elements in the folded pad.
  • Adjacent elements may be attached together for example by gluing or welding, such as ultrasonic welding, of the sheet of material to itself.
  • the folded pad may be held in its folded configuration by a retention member, which may comprise a frame or envelope.
  • the retention member may comprise a loop or band passing around the folded pad to prevent it from unfolding.
  • the folded pad may be held in its folded configuration by its attachment to a cover sheet or sheets.
  • the cover sheet or sheets may cover one or both sides of the folded pad, and may be attached to the folded pad by adhesive or more preferably by welding, preferably to one or more positions which may comprise the gussets of the pad.
  • the folded pad may be retained in a folded configuration by a case or bag.
  • the case or bag may include padding or cushioning material and the folded pad inside the case may substantially comprise a mattress.
  • the folded unit comprises a fan- folded, accordion-folded, concertina-folded or pleated pad.
  • the pad may be folded upon itself first one way and then the other such that alternate gussets are located at first one side then the other side of the folded unit.
  • the sheets are preferably of a thermally weldable material, such as spun-bonded polyester.
  • At least some rows of resilient elements comprise a first plurality of springs and a second plurality of springs superposed on, and/or axially adjacent, the first plurality.
  • the first and second pluralities of springs may differ in one or more characteristics including, but not limited to: length, diameter, stiffness, shape, number of coils and gauge of spring material.
  • the resilient unit may comprise plural rows of resilient elements arranged in an array.
  • adjacent rows of resilient elements may be offset from one another. This is so that, when folded, the springs are able to fit together more closely, for example to nest, which helps to form a more stable pad.
  • the sheets of material on opposed sides of the unit may differ from one another in respect of at least one characteristic from a group including optical, thermal, tactile, structural, chemical and physical.
  • the at least one characteristic may comprise the presence, absence or degree of at least one property from a group including, waterproof, probiotic, antibacterial, antistatic, flavour, fragrance, flame-retardance, elasticity, wear resistance and permeability.
  • the first and second sheets of material may differ from one another in thickness and/or weight.
  • first and second sheets may differ from one another in one or more defined zones on one or both layers, such that the layers may have substantially identical characteristics in parts and may have different characteristics in other parts.
  • the sheets are preferably joined around the periphery of the unit .
  • a resilient pad for forming a resilient unit, the pad comprising plural rows of resilient elements in discrete pockets formed between superposed sheets of material joined at locations between adjacent resilient elements, wherein between at least some adjacent resilient elements the sheets form a gusset which acts as a hinge between resilient elements either side of the gusset when the pad is folded to form a resilient unit.
  • the resilient pad may be in accordance with any statement herein .
  • the invention also includes a method of making a resilient unit, the method comprising forming a resilient pad by encasing a plurality of resilient elements in discrete pockets between superposed sheets of material joined at locations between the resilient elements, forming between at least some of the resilient elements a gusset, and fan- folding the pad upon itself using the gussets as hinges, such that alternate gussets become located on opposed sides of the folded unit and axes of at least some of the resilient units become substantially parallel.
  • the invention also includes an article having at least one resilient unit according to any statement herein.
  • the invention also includes a mattress comprising a resilient unit according to any statement herein, or made according to a method according to any statement herein.
  • a seat comprising a resilient unit according to any statement herein .
  • the seat may be a seat for use m relation to a vehicle, such as a wheeled vehicle, an aircraft, spacecraft or a ship or boat, or a saddle for an animal.
  • the seat may comprise a chair, stool, bench, sofa or settee.
  • a table comprising a resilient unit according to any statement herein.
  • the table may be an operating table or massage table, for example.
  • an article of flooring comprising a resilient unit according to any statement herein.
  • the article of flooring may comprise a carpet, or carpet underlay, or a sport mat or exercise mat, or may be a leisure or sports surface either for indoor use or for outdoor use.
  • a protective member comprising a resilient unit according to any statement herein.
  • the protective member may comprise an article of clothing or headgear, or may be a protective shield to be worn on the body of a user, or for attachment to an article.
  • an article of packaging comprising a resilient unit according to any statement herein.
  • the invention may include any combination of the features or limitations referred to herein, except such a combination of features as are mutually exclusive, or mutually inconsistent.
  • Figure 1 is a side view of a first embodiment of resilient unit at a first stage of manufacture
  • Figure 2 is a side view of the unit of Figure 1 at a second stage of manufacture
  • Figure 3 is a side view of the unit at a third stage of manufacture ;
  • Figure 4 is a perspective view of the unit of Figure 3;
  • Figure 5 is a side view of an alternative embodiment of resilient unit at a second stage;
  • Figure 6 is a side view of the unit of Figure 5 at a third stage of manufacture.
  • Figure 7 shows a further alternative embodiment of resilient unit in accordance with the present invention.
  • Resilient units for various uses comprise pocketed coil springs, which are sometimes referred to as encased springs.
  • the units typically comprise an array of metallic coil springs individually encased in pockets formed by bonding or otherwise joining together layers of material.
  • FIG. 1 shows, generally at 100, a pad for making into a resilient panel, in accordance with an embodiment of the present invention.
  • the pad 110 is shown in side view, and only a single set of pocketed springs can be seen extending in a longitudinal direction indicated by arrow X, which is also the direction in which the newly formed pad is fed from the pocketing station (not shown) .
  • the pocketed springs are formed in an array, made up of plural rows of springs side by side.
  • the pad comprises a number of springs 120 of coiled metallic wire (shown in broken lines) encased in individual pockets, one spring to a pocket in the example shown, formed between superposed sheets 140 or layers of material joined at positions P between the springs, preferably by welding.
  • the sheets 140 are joined at least at two spaced apart positions P between each pair of adjacent springs 120, so that a gusset 160, or pleat, is formed between each pair of springs.
  • An example of an apparatus and a method for making the pad shown in Figure 1 can be seen in our European Patent No. EP 1 993 947 Bl, the entire contents of which are incorporated herein by reference.
  • Figure 2 shows a next step in the forming of the resilient unit.
  • the springs 120 have been turned within their pockets, so that their axes A extend longitudinally, between the weld points P. Turning the springs within their pockets is achieved readily, particularly with tall springs, as they have a tendency to turn in any case and need only be urged to do so, for example by vibrating the pad, or else by utilising a lip or ridge to catch an upper leading edge of the spring, or a lower trailing edge, thereby causing it to flip.
  • the pad is then folded, or pleated, in the manner of a fan, concertina or accordion, so that alternate adjacent pocketed springs are made to extend first one way, and then the other way, to form a resilient unit 180.
  • the gussets act as hinges between rows of springs.
  • the axes of substantially all of the springs become aligned in a direction that is generally transverse to the longitudinal extent L of the unit 180.
  • adjacent rows of springs are offset from one another in a direction across the pad, transverse to the axes of the springs, so that when the pad is folded the springs nest, each between two adjacent springs of a neighbouring row. This provides for a more stable pad.
  • the resultant unit is as shown in Figure 4, which is a perspective view in which the plural rows of springs can be seen.
  • the gussets 160 extend across the width of the unit, alternately above and below adjacent springs.
  • the pad can initially be formed with other combinations of springs, and an example of an alternative embodiment is shown in Figures 5 and 6.
  • Figure 5 shows a pad in which two different types of spring are encased in individual pockets .
  • the diagram shows the springs after they have been turned so that their axes extend longitudinally, along the length of the pad, between welding positions P.
  • a set 120a of long springs is formed with a second set 120b of shorter springs.
  • the springs are each located within their own pockets, created by joining the sheets 140 together at positions P.
  • a gusset 160 is formed by spaced apart welds at positions P, and successive pairs are oriented alternately so that when the pad is folded in the manner of a fan, and glued, all of the shorter springs 120b are located above the longer springs 120a in an integrated stack .
  • the effect, in the finished unit 200, is of a layer of short springs above a layer of long springs.
  • Other combinations of springs can be employed in the pad.
  • the springs can be chosen for their characteristics such as stiffness and size and, as well as controlling the stacking of different springs, the springs can be grouped into zones along the extent of the unit, and combined in such a way as to provide specifically desired performance characteristics. These characteristics can be determined by the intended use of the resilient unit.
  • gusset 160 joins or connects pairs of adjacent springs at one end, they need only be joined at a minimum of one other place, which in the example ( Figure 3) is the adhesive point G on the cylindrical surface of the pocketed spring. This leads to a significant saving, possibly up to 50%, on adhesive.
  • the folded pad may be held in its folded configuration by a retention member in the form of a loop or band B passing around the folded pad to prevent it from unfolding.
  • the band B may be of the same material as the sheets 140, but does not have to be.
  • the retention member may comprise a frame or envelope.
  • the folded pad may be held in its folded configuration by its attachment to a cover sheet or sheets.
  • the cover sheet or sheets may cover one or both sides of the folded pad, and may be attached to the folded pad by adhesive or more preferably by welding, preferably to one or more positions which may comprise the gussets of the pad.
  • the folded pad may be retained in a folded configuration by a case or bag.
  • the case or bag may include padding or cushioning material and the folded pad together with the case may substantially comprise a mattress .
  • the pad would be compressed axially with respect to the springs and possibly also transversely to this, between the edges, before being fed into the padded case to form a complete mattress.
  • the glueless resilient mattress can give up its steel springs easily and all of the pockets remain joined together.
  • An additional substrate layer may be placed on top of the pocketed springs, or below them, to improve comfort and/or performance of the pad.
  • the additional layer preferably comprises natural materials such as hemp, cotton or wool, to assist in the recyclability of the pad.
  • At least some of the springs may have coils of different diameters at opposed ends. Such springs have a number of advantages over springs in which the coils at each end of the spring are of substantially the same diameter. Firstly, the springs can be compressed to a substantially flat configuration, with the smaller diameter coils lying within the larger diameter coils. If the springs can be compressed entirely within themselves, such that no touching of adjacent coils takes place, this also provides a much quieter panel than is the case when the coils repeatedly abut one another.
  • the stiffness of a wire spring can be increased by reducing coil diameter, for a given gauge of wire. Therefore a narrower gauge spring can be made which uses less material to produce the same spring stiffness.
  • ⁇ spring consisting of coils which reduce in diameter has a desirable characteristic, in that its stiffness increases progressively as it is compressed.
  • coils at one, or more preferably both, ends of the spring are of a reduced diameter. This can help to avoid interference between adjacent the free end coils of adjacent springs when the pad is folded.
  • the springs may be other than cylindrical, and may be, for example, conical, or barrel-shaped.
  • springs and spring types may be utilised in the resilient pad. These include, but are not limited to: spring-within-spring arrangements, superposed springs in stacks of two, three, four or more high, multistage or multi-phase springs, such as hybrid springs of different coil types, and springs of different heights alternating along the top of the folded pad, in the manner of castellations (sometimes referred to in the bed-making industry as a "Hi-Lo" unit) . All of these combinations can also be combined with springs of different gauge, shape, height and with different degrees of pre-tensioning within the pockets.
  • the invention described above allows for an easy incorporation of large numbers of springs in a resilient unit.
  • a higher spring count means that the desired characteristics of the unit can be achieved using springs of a lesser gauge and of a lesser diameter, which in turn requires less filling material.

Abstract

La présente invention concerne une unité élastique (180), par exemple pour un matelas, comprenant un coussin plié contenant des rangées d'éléments élastiques (120) dans des poches séparées formées entre des feuilles superposées de matériau assemblées à des emplacements entre des éléments élastiques adjacents. Entre au moins certains éléments élastiques adjacents, les feuilles forment un soufflet (160) qui agit comme une charnière lorsque le coussin est replié pour former l'unité élastique.
PCT/GB2017/050331 2016-02-10 2017-02-09 Unité élastique et procédé de fabrication WO2017137754A1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SG11201806331XA SG11201806331XA (en) 2016-02-10 2017-02-09 Resilient unit and method of manufacture
JP2018540780A JP2019504685A (ja) 2016-02-10 2017-02-09 弾性ユニットおよびその製造方法
BR112018016014A BR112018016014A2 (pt) 2016-02-10 2017-02-09 unidade resiliente e método de fabricação
AU2017218566A AU2017218566B2 (en) 2016-02-10 2017-02-09 Resilient unit and method of manufacture
EA201891801A EA201891801A1 (ru) 2016-02-10 2017-02-09 Упругий блок и способ изготовления
CN201780010507.7A CN108697243A (zh) 2016-02-10 2017-02-09 弹性单元以及制造方法
KR1020187025207A KR20180109993A (ko) 2016-02-10 2017-02-09 탄성 유닛 및 제조 방법
EP17711724.9A EP3413758A1 (fr) 2016-02-10 2017-02-09 Unité élastique et procédé de fabrication
CA3014151A CA3014151A1 (fr) 2016-02-10 2017-02-09 Unite elastique et procede de fabrication
MX2018009711A MX2018009711A (es) 2016-02-10 2017-02-09 Unidad elastica y metodo de fabricacion.
US16/076,911 US20190045940A1 (en) 2016-02-10 2017-02-09 Resilient unit and method of manufacture
ZA2018/05000A ZA201805000B (en) 2016-02-10 2018-07-25 Resilient unit and method of manufacture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1602378.0 2016-02-10
GBGB1602378.0A GB201602378D0 (en) 2016-02-10 2016-02-10 Resilient unit and method of manufacture

Publications (1)

Publication Number Publication Date
WO2017137754A1 true WO2017137754A1 (fr) 2017-08-17

Family

ID=55642090

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2017/050331 WO2017137754A1 (fr) 2016-02-10 2017-02-09 Unité élastique et procédé de fabrication

Country Status (14)

Country Link
US (1) US20190045940A1 (fr)
EP (1) EP3413758A1 (fr)
JP (1) JP2019504685A (fr)
KR (1) KR20180109993A (fr)
CN (1) CN108697243A (fr)
AU (1) AU2017218566B2 (fr)
BR (1) BR112018016014A2 (fr)
CA (1) CA3014151A1 (fr)
EA (1) EA201891801A1 (fr)
GB (2) GB201602378D0 (fr)
MX (1) MX2018009711A (fr)
SG (1) SG11201806331XA (fr)
WO (1) WO2017137754A1 (fr)
ZA (1) ZA201805000B (fr)

Cited By (5)

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WO2018220366A1 (fr) * 2017-05-31 2018-12-06 HS Products Limited Ensemble ressort ensaché et procédé de fabrication
WO2020076497A1 (fr) * 2018-10-11 2020-04-16 L&P Property Management Company Coussin extérieur à intérieur à ressorts ensachés
WO2020128498A1 (fr) * 2018-12-20 2020-06-25 HS Products Limited Unité de ressorts ensachés et procédé de fabrication
US11305941B2 (en) 2017-05-31 2022-04-19 HS Products Limited Transportation apparatus and method
US11800937B2 (en) 2012-08-10 2023-10-31 Harrison Spinks Components Limited Resilient unit with different major surfaces

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US10357116B2 (en) * 2015-06-22 2019-07-23 Zeplus, Llc Pocketed foam systems and methods
AU2016100357A4 (en) * 2015-12-14 2016-06-16 Mantzis Holdings Pty Ltd. A Mattress
JP2019162204A (ja) * 2018-03-19 2019-09-26 株式会社タイカ スプリング構造連結体、マットレス及び椅子
US11013340B2 (en) * 2018-05-23 2021-05-25 L&P Property Management Company Pocketed spring assembly having dimensionally stabilizing substrate
GB2588188B (en) * 2019-10-13 2021-09-08 Davidhugh Ltd Improved cushioning material

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US5761784A (en) * 1996-07-17 1998-06-09 L&P Property Management Co. Method of manufacturing a pocketed spring assembly
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11800937B2 (en) 2012-08-10 2023-10-31 Harrison Spinks Components Limited Resilient unit with different major surfaces
WO2018220366A1 (fr) * 2017-05-31 2018-12-06 HS Products Limited Ensemble ressort ensaché et procédé de fabrication
US11305941B2 (en) 2017-05-31 2022-04-19 HS Products Limited Transportation apparatus and method
US11412860B2 (en) 2017-05-31 2022-08-16 HS Products Limited Pocketed spring unit and method of manufacture
WO2020076497A1 (fr) * 2018-10-11 2020-04-16 L&P Property Management Company Coussin extérieur à intérieur à ressorts ensachés
US11147390B2 (en) 2018-10-11 2021-10-19 L&P Property Management Company Outdoor cushion with pocketed spring interior
WO2020128498A1 (fr) * 2018-12-20 2020-06-25 HS Products Limited Unité de ressorts ensachés et procédé de fabrication
CN113873922A (zh) * 2018-12-20 2021-12-31 Hs产品有限公司 袋装弹簧单元及制造方法

Also Published As

Publication number Publication date
CN108697243A (zh) 2018-10-23
GB201702159D0 (en) 2017-03-29
CA3014151A1 (fr) 2017-08-17
GB2547336B (en) 2021-01-13
SG11201806331XA (en) 2018-08-30
GB201602378D0 (en) 2016-03-23
ZA201805000B (en) 2021-03-31
KR20180109993A (ko) 2018-10-08
US20190045940A1 (en) 2019-02-14
EP3413758A1 (fr) 2018-12-19
GB2547336A (en) 2017-08-16
AU2017218566B2 (en) 2022-11-24
MX2018009711A (es) 2019-06-06
AU2017218566A1 (en) 2018-08-16
JP2019504685A (ja) 2019-02-21
BR112018016014A2 (pt) 2018-12-18
EA201891801A1 (ru) 2019-01-31

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