EP1625094A1 - Method of forming pocketted springs - Google Patents
Method of forming pocketted springsInfo
- Publication number
- EP1625094A1 EP1625094A1 EP03791039A EP03791039A EP1625094A1 EP 1625094 A1 EP1625094 A1 EP 1625094A1 EP 03791039 A EP03791039 A EP 03791039A EP 03791039 A EP03791039 A EP 03791039A EP 1625094 A1 EP1625094 A1 EP 1625094A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- fabric
- layers
- springs
- pocketted
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B68—SADDLERY; UPHOLSTERY
- B68G—METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
- B68G9/00—Placing upholstery springs in pockets; Fitting springs in upholstery
- B68G2009/005—Devices for turning the springs 90° inside the pockets
Definitions
- This invention relates to a method of fo ⁇ riing pocketted springs for use
- the pocketted spring will be a
- the double pocketted spring will be formed by inserting two
- the springs may be fed between the layers of fabric or other suitable
- springs are turned through approximately 90° such that the springs lie
- the layers of fabric or other suitable material will preferably be
- Figure 1 is a schematic representation of apparatus for carrying out a
- Figure 2 is a schematic representation of apparatus for carrying out a
- pocketted spring forming apparatus comprising a conveyor (not
- a coiler 6 for forming
- the coiler being adapted to push formed coil springs out of
- pairs of springs such as those indicated by reference numerals 10A,
- 10B and 12A,12B lie between the layers of fabric or other suitable
- the welding machines are actuated to cause the
- pocketted springs being formed as double pocketted
- springs they may be formed as single pocketted springs, such that
- 'strings' of double pocketted springs may be slit longitudinally so as to
Abstract
A method of forming a pocketted spring (10, 12) comprises inserting a compressed spring (10, 12) between two continuous layers or a folded layer of fabric or other material (4), joining the fabric or other material (4) together at the side extremity(ies) in the vicinities of the spring and laterally so as to form a closed pocket in which the spring (10, 12) is located, and turning the spring (10, 12) through approximately 90° so as to allow the spring (10, 12) to lie substantially co-axial with said closed pocket (24, 26). The pocketted spring (10, 12) may be a double pocketted spring (10,12) in which two springs are located in end-to-end relationship and in separate pockets (24, 26).
Description
METHOD OF FORMING POCKETTED SPRINGS
This invention relates to a method of foπriing pocketted springs for use
in beds, divan beds, mattresses, and other upholstered units.
According to one aspect of the present invention there is provided a
method of foπriing a pocketted spring comprising the steps of mserting
a compressed spring between two continuous layers or a folded layer
of fabric or other material, joining the fabric or other material together
at the side extremity(ies) in the vicinities of the spring and laterally so
as to form a closed pocket in which the spring is located, and turning
the spring through approximately 90° so as to allow the spring to lie
substantially co-axial with said closed pocket.
In an embodiment of the invention, the pocketted spring will be a
double pocketted spring wherein two springs are located in end-to-end
relationship and in separate pockets.
The double pocketted spring will be formed by inserting two
compressed springs between two continuous layers of fabric or other
suitable material, securing said two layers together at their side v
extremities in the vicinities of the two springs and simultaneously
securing said layers together along a medial line of said two layers,
additionally securing said two layers together along lateral lines so as
to form two pockets each containing one of said springs, and thereafter
turning said springs through approximately 90° such that said springs
lie substantially co-axial with said pockets.
The springs may be fed between the layers of fabric or other suitable
material from a single coiler located at one side of the layers of fabric
or other suitable material.
In an alternative arrangement for forming double pocketted springs, the
springs may be fed towards each other and between the layers of fabric
or other suitable material from discrete coilers located one at either side
of said fabric or other suitable material. In such a case, the layers of
fabric or other suitable material will firstly be connected together along
a medial line so as to form two open-ended pockets into which said
springs are inserted, whereafter the open ends of the pockets are *
closed and simultaneously the layers of fabric or other suitable material
are secured together laterally so as to form two closed pockets arranged
in end-to-end relationship and each containing a spring. Thereafter, the
springs are turned through approximately 90° such that the springs lie
substantially co-axial with said pockets.
The layers of fabric or other suitable material will preferably be
connected together by welding.
In order that the invention may be more readily understood,
embodiments thereof will now be described, by way of example only,
reference being made to the accompanying drawings, wherein:
Figure 1 is a schematic representation of apparatus for carrying out a
method of foπriing pocketted springs according to a first embodiment
of the invention; and
Figure 2 is a schematic representation of apparatus for carrying out a
method of forming pocketted springs according to a second
embodiment of the invention, Figure 2 showing the use of two" discrete
coilers.
Referring to the drawings and firstly to Figure 1, there is shown
pocketted spring forming apparatus comprising a conveyor (not
shown) for conveying superposed layers of fabric or other suitable
material in the direction of aπow 2, the upper layer of fabric or other
suitable material being indicated by reference numeral 4.
Located to the side of the conveyed material is a coiler 6 for forming
coil springs, the coiler being adapted to push formed coil springs out of
the coiler in the direction of aπow 8 and onto the conveyor such that
pairs of springs, such as those indicated by reference numerals 10A,
10B and 12A,12B, lie between the layers of fabric or other suitable
material.
Located in the vicinity of the conveyor, are welding machines which
are aπanged such that there is a welding machine 14 on the medial line
of the conveyor, welding macriines 16 and 18 along the edges of ihe
conveyor, and welding macriines 20 and 22 aπanged laterally of the
conveyor.
As the coil springs 10A and 10B approach and pass beyond the
welding machines, the welding machines are actuated to cause the
layers of fabric or other suitable material to be welded together at their
edge regions, and along the medial line and laterally, so as to create
two end-to-end pockets, such as those indicated by reference numerals
24 and 26, the pockets containing springs 28 and 30 respectively.
After being enclosed in the pockets, the coil springs are turned through
approximately 90° such that the coil springs lie substantially co-axial to
one another and to the pockets in which they are located.
Thus there is provided a 'string' of pocketted springs for subsequent
insertion and incorporation into a bed, divan bed, mattress or other
upholstered unit.
Referring now to Figure 2, the aπangement is substantially similar to
that described with reference to Figure 1, such that like parts have been
given like reference numerals. It will be observed from Figure 2 that
instead of there being a single coiler, there are two discrete coilers 40
and 42 located one at either side of the conveyor. These coilers 40 and
42 are adapted to feed coil springs 12A and 12B in the directions of
aπows 44 and 46 and between the layers of fabric or other suitable
material.
It will be observed that unlike the aπangement of Figure 1, the welding
machine 14 is located in a position in advance of the position at which
the coil springs are fed onto the conveyor and that the welding
machines 16 and 18 are located after (in the direction of travel of the
conveyor) the lateral welding machines 20 and 22.
Instead of the pocketted springs being formed as double pocketted
springs, they may be formed as single pocketted springs, such that
there is formed a 'string' of single pocketted springs, two of such
'strings' being subsequently welded or otherwise secured together to
form a two-layer construction.
In addition, where a 'string' of single pocketted springs is required, the
'strings' of double pocketted springs may be slit longitudinally so as to
for the single 'strings'.
Instead of the fabric or other material being in two discrete layers, it
may be constituted by a folded piece of fabric or other material, in
which case it will only be necessary to join the fabric or other material
at the open side thereof instead of at both sides as previously
described.
Claims
1. A method of forming a pocketted spring comprising the steps of
mseiting a compressed spring between two continuous layers or a
folded layer of fabric or other material, joining the fabric or other
material together at the side extremity(ies) in the vicinities of the
spring and laterally so as to form a closed pocket in which the spring
is located, and turning the spring through approximately 90° so as to
allow the spring to lie substantially co-axial with said closed pocket.
2. A method according to Claim 1, wherein the pocketted spring is
a double pocketted spring wherein two springs are located in end-to-
end relationship and in separate pockets.
3. A method according to Claim 2, including the steps of inserting
two compressed springs between two continuous layers of fabric or
other material, securing said two layers together at their side
extremities in the vicinities of the two springs and simultaneously securing said layers together along a medial line of said two layers,
additionally securing said two layers together along lateral lines so as
to form two pockets each containing one of said springs, and there¬
after turning said springs through approximately 90° such that said
springs lie substantially co-axial with said pockets.
4. A method according to Claim 1, wherein the spring is fed
between the layers of fabric or other material from a single coiler
located at one side of the layers of fabric or other material.
5. A method according to Claim 2, wherein the springs are fed
towards towards each other and between the layers of fabric or other
material from discrete coilers located one at either side of said fabric
or other material.
6. A method according to Claim 5, wherein the layers of fabric or
other material are connected together along a medial line so as to form
two open-ended pockets into which said springs are inserted, the open ends of the pockets then being closed and simultaneously the layers
of fabric or other material are secured together laterally so as to form
two closed pockets aπanged in end-to-end relationship and each
containing a spring.
7. A method according to any of the preceding Claims, wherein the
layers of fabric or other material are secured together by welding.
8. A pocketted spring when formed by the method of any of Claims
l to 7.
9. A mattress, bed, divan bed or other upholstered unit including a
pocketted spring according to Claim 8.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0220125A GB0220125D0 (en) | 2002-08-30 | 2002-08-30 | Method of forming pocketted sponges |
PCT/GB2003/003731 WO2004020327A1 (en) | 2002-08-30 | 2003-08-29 | Method of forming pocketted springs |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1625094A1 true EP1625094A1 (en) | 2006-02-15 |
Family
ID=9943184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03791039A Withdrawn EP1625094A1 (en) | 2002-08-30 | 2003-08-29 | Method of forming pocketted springs |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1625094A1 (en) |
AU (1) | AU2003259377A1 (en) |
GB (1) | GB0220125D0 (en) |
WO (1) | WO2004020327A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0519009D0 (en) * | 2005-09-17 | 2005-10-26 | Harrison Bedding Ltd | Pocketted spring units |
GB2541663A (en) * | 2015-08-24 | 2017-03-01 | Springform Tech Ltd | Improvements related to innerspring assemblies |
CN105129716B (en) * | 2015-09-02 | 2017-12-26 | 广州市联柔机械设备有限公司 | A kind of multilayer bagged-spring string and its manufacture device, method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439977A (en) * | 1977-05-05 | 1984-04-03 | Simmons U.S.A. Corporation | Method and apparatus for making a series of pocketed coil springs |
PL346270A1 (en) * | 1998-08-25 | 2002-01-28 | L & P Property Management Co | Manufacture of pocketed compound nested coil springs |
-
2002
- 2002-08-30 GB GB0220125A patent/GB0220125D0/en not_active Ceased
-
2003
- 2003-08-29 AU AU2003259377A patent/AU2003259377A1/en not_active Abandoned
- 2003-08-29 EP EP03791039A patent/EP1625094A1/en not_active Withdrawn
- 2003-08-29 WO PCT/GB2003/003731 patent/WO2004020327A1/en not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2004020327A1 * |
Also Published As
Publication number | Publication date |
---|---|
GB0220125D0 (en) | 2002-10-09 |
AU2003259377A1 (en) | 2004-03-19 |
WO2004020327A1 (en) | 2004-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050107 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): GB IE |
|
RTI1 | Title (correction) |
Free format text: METHOD OF FORMING POCKETED SPRINGS |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Effective date: 20071026 |