GB2470967A - System and method to seam seal textile products - Google Patents
System and method to seam seal textile products Download PDFInfo
- Publication number
- GB2470967A GB2470967A GB0914529A GB0914529A GB2470967A GB 2470967 A GB2470967 A GB 2470967A GB 0914529 A GB0914529 A GB 0914529A GB 0914529 A GB0914529 A GB 0914529A GB 2470967 A GB2470967 A GB 2470967A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thread
- seam
- container
- components
- product
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000004753 textile Substances 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims abstract description 33
- 238000009958 sewing Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 8
- 239000004944 Liquid Silicone Rubber Substances 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 32
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 238000007654 immersion Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 229920005573 silicon-containing polymer Polymers 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- -1 but not limited to Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 108010038764 cytoplasmic linker protein 170 Proteins 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000013500 performance material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B17/00—Sewing machines for concurrently making thread and welded seams
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
- D06M23/18—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment for the chemical treatment of borders of fabrics or knittings; for the thermal or chemical fixation of cuttings, seams or fibre ends
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
A method for producing a waterproof seam in a textile product, the method comprising the steps of: immersing a thread in a polymer solution to soak said thread; sewing a seam in the product with said polymer soaked thread; and curing said seam to form a watertight seal. A system 100 for implementing the method may comprise a liquid dispenser 200, that dispenses liquid over a spool of thread 102, which is then fed to a sewing machine 150. The polymer solution may be a liquid silicone rubber.
Description
System and Method to Seam Seal Textile Products
FIELD OF INVENTION
Embodiments of the present invention provide a system and method to coat a thread with a material in order to seal the seams of various types of textile products to prevent, for example, water penetration. Embodiments of the present invention may also be used to coat a thread with a material for other uses.
BACKGROUND
Various types of textile products are designed to repel water. Such products may include garments designed to be worn by a user, tents, tarpaulins, etc. Waterproof garments have been used for decades to protect people from the elements. Modern waterproof garments provide both a moisture barrier and breathability, thus making them comfortable to wear. These garments are sewn together from various pieces of fabric that has been cut to size. Unfortunately, the holes produced by the needle when sewing the garments allow water to leak inside.
Various methods have been developed to prevent waterproof garments and other textile products from leaking at the seams. For example, waterproof tape may be applied over the seams once the garment has been completed. Laser welding is another process that has been used to produce seam seated garments.
These methods have a number of drawbacks. The equipment needed to produce seam sealed products using these methods is very expensive. Additionally, extra time is required to apply seam sealing tape to a product, thus increasing manufacturing costs.
The seams may not stay sealed when the product is in use, thus resulting in a product that is not as durable as a user would like. Both laser welding and seam seal tape can only be applied to a limited number of fabric types. These methods also limit the design of waterproof garments.
It would therefore be a great improvement in the art if a system or method to seam seal garments could be developed that overcomes one or more of the above disadvantages.
SUMMARY
One aspect of the present invention provides a method for producing a waterproof seam in a textile product, the method comprising the steps of: immersing a thread in a polymer solution to soak said thread; sewing a seam in the product with said polymer soaked thread; and curing said seam to form a watertight seal.
In some embodiments, the immersing step may further include: providing a container containing said polymer solution; and routing said thread over a plurality of pulleys to immerse said thread in said solution. The container may be filled with a mixture of at least two components to produce the solution, each of the two components being separately stored adjacent the container. The mixture may be formed from equal parts of each of the components. In alternate embodiments, the mixture includes components A and B of LSR 2010, each component of which has been diluted at a ratio of 3:1 with a solvent prior to mixing in said container.
The product may be selected from a group consisting of an article of clothing, a tent, and a tarpaulin. The curing step may be accomplished by curing in air. Alternately, the curing step may accomplished by applying a heat source at a desired temperature for a desired time until said seam is cured.
An alternate aspect of the present invention provides a system for producing a waterproof seam in a textile product, the system comprising: means for immersing a thread in a polymer solution; means for routing said soaked thread to a sewing machine which sews a seam in said product; and means to cure the seam to provide a waterproof seal in the seam.
In alternate embodiments, the immersing means may include a liquid dispensing system comprising a first container containing a first component, a second container containing a second component, and a third container containing a mixture of said first and second components; and a plurality of pulleys configured to route said thread into said mixture and to said sewing machine.
In further embodiments, the polymer solution may be made from components A and B of liquid silicon rubber 2010, each component of which has been diluted at a ratio of 3:1 with a solvent prior to mixing in said third container. The means to cure the seam may be selected from a group consisting of air and a heat source.
BRIEF DESCRIPTION OF THE DRAWINGS
Embodiments of the invention will be better understood and readily apparent to one of ordinary skill in the art from the following written description, by way of example only, and in conjunction with the drawings, in which: Figure 1 illustrates one embodiment of a system to produce a seam sealed textile product according to the present invention; Figure 2 illustrates a top view of a liquid dispenser for use with the embodiment of Figure 1; Figure 3 illustrates a front perspective view of the dispenser of Figure 2; Figure 4 illustrates a front view of the dispenser of Figures 2 and 3; Figure 5 ilLustrates one embodiment of a support frame for the dispenser of Figures 2-4; Figure 6 illustrates a perspective view of a portion of the dispenser of Figures 2-4 connected to the frame of Figure 5; Figure TA illustrates a side view of one embodiment of a container that may be used with the dispenser of Figures 2-4 connected to the frame of Figure 5; Figure 7B illustrates a partial front view of the frame shown in Figure TA; Figure 8 illustrates a perspective view of one embodiment of a thread immersion apparatus used with the system of Figure 1 connected to the frame shown in Figure 5; Figure 9 illustrates a front view of the thread immersion apparatus of Figure 8; and Figure 10 is a flow chart illustrating one method of producing a water tight seal for a textile product according to the present invention.
DETAILED DESCRIPTION
Figure 1 illustrates one embodiment of a system 100 to produce a waterproof seal in a textile product according to the present invention. The system 100 may include a liquid dispenser 200, a container 110 for receiving a dispensed liquid 112, a spool of thread 102, a sewing machine 150, and a product that is being sewn 104 to produce a seam.
In some embodiments, the system 100 may also include a curing apparatus (not shown that may be used to cure the seam once the textile product has been sewn. The liquid dispenser 200 may be coupled to a frame structure 160 that may be attached to a table or other surface 106 proximate the sewing machine 150.
It is understood that the textile product may be any type of textile that requires sewing.
By way of example and not limitation, the product may be clothing intended to be worn by a user, a tent, a tarpaulin, or any other textile product. In a preferred embodiment, the product may be made from a waterproof material that requires the waterproof seams provided by embodiments of the present invention. Similarly, the thread may be any type of thread that is commercially available.
The curing apparatus may be a standard iron, a commercial iron, or any other device capable of providing a desired level of heat to the product for a desired amount of time.
In some embodiments, the seam may be cured in air. It is understood that specific curing times and temperatures may vary depending on the type of fabric used in the product and the specific polymer solution that is used to coat the thread 102.
It is also understood that, while the system 100 illustrated in Figure 1 includes a hand operated sewing machine 150, other systems, including but not limited to automated systems, may also be used with embodiments of the present invention.
Figure 2 illustrates a top view of the liquid dispenser 200 that may be used with the system 100 of Figure 1. Figure 3 illustrates a front view of the dispenser 200 of Figure 2.
Figure 4 illustrates a side view of the dispenser 200 of Figures 2 and 3. Figure 5 illustrates a side view of the support frame 160 for the dispenser 200 of Figures 2-4.
Figure 6 illustrates a perspective view of a portion of the dispenser 200 of Figures 2-4 connected to the frame 160 of Figure 5. Figure 7A illustrates a side view of one embodiment of a container 110 that may be used with the dispenser 200 of Figures 2-4 connected to the frame 160 of Figure 5.. Figure 7B illustrates a partial rear view of the frame 160 shown in Figure 7A. Figure 8 illustrates a perspective view of one embodiment of the thread immersion apparatus 120 connected to the frame 160 shown in Figure 5. Figure 9 illustrates a front view of the thread immersion apparatus 120 of Figure 7.
With reference to Figures 2-9, the dispenser 200 dispenses a solution into the container 110. In a preferred embodiment, the solution is a polymer solution. The thread immersion apparatus 120 can then be used to route the thread 102 through the dispensed polymer solution to coat the thread 102 with the solution. The thread 102 is then used to sew a seam in the textile product 104.
In a preferred embodiment, the dispenser 200 holds two components "A" and "B", which are combined in the container 110 to form the polymer solution. In this embodiment, the dispenser 200 includes a first container 210 holding component "A" of the polymer solution and a second container 220 holding component "B" of the polymer solution. A dual plunger 250 may be used to force each of the components "A" and "B" through corresponding openings 234 in container 210 and 236 in container 220 that feed a nozzle 230 having an opening 232. The components "A" and "B" exit the opening 232 in the nozzle 230 and enter an opening 242 in a mixer 240. The mixer 240 may include a plurality of notches 246 that mix the two components "A" and "B". The mixed solution then exits the mixer 240 through opening 244 and into the container 110.
The dual plunger 250 may include a handle 251 that engages first and second push components 252, 254. Each of the first and second push components is connected to a corresponding plunger portion 256, 258 in containers 220, 210, respectively. Applying a downward force on the plunger 250 thus pushes equal portions of the components "A" and "B" through the nozzle 230 and mixer 240 to provide the solution in the container 110.
In a preferred embodiment, the two components "A" and "B" may be a commercially available two-component liquid silicone rubber compound. By way of example and not limitation, the polymer solution may be Baysilone� LSR 2010, manufactured by the General Electric Company and available, for example, through Momentive performance materials. Baysilone� LSR 2010 is a 10 shore standard two-component liquid silicone rubber used, for example, for injection molding processes. In a further preferred embodiment, each of the components "A" and "B" of the LSR 2010 product may be diluted with an appropriate solvent, including, but not limited to, isopropyl alcohol. In some embodiments, the two components "A" and "B" are diluted at a ration of 3:1 with isopropyl alcohol. lt is understood that other types of polymer solutions, and/or other dilution rations may also be used.
In some embodiments, it is desired to use a polymer solution having particular viscosity and other chemical characteristics in order to achieve correct saturation of the thread 102. Other consideration may include the shelf life of the polymer, the finishing process required to achieve a final desired performance (i.e. Curing), and the usability of the polymer in contact with air at room temperature (to avoid lose of absorbency, curability etc.).
For example, in a preferred embodiment, the polymer solution may have the following properties: Viscosity in Pas gamma = lOs at 20°C 300-400 range Density in gr/cm3 1000-1130 range Tensile strength in N/mm2 3.9 minimum Elongation at break point in % 300 minimum Tear Strength in N/mm 5.0 minimum Hardness Shore A 40-45 range Prior to mixing into container 110, the silicone polymer will not start curing at room temperature in the first 24 hrs. This allows a user to purchase and store a desired quantity of the product for up to a year.
ln alternate embodiments, different types of solutions may be used on the thread 102 in order to achieve a desired outcome. By way of example and not limitation, the thread 102 may be immersed in a hi-visibility dye to provided added visibility to the textile product. In other applications, the thread 102 may be immersed in an electro-conductive polymer to provide a continuous antenna that may form part of the product. In other applications, the thread 102 may be immersed in a silicon polymer solution containing silver to activate an antibacterial property of the solution. It is understood that these embodiments may be used as part of or separately from the seam sealing embodiment described above.
The silicone polymer applied to the thread 102 closes up the needle holes in the textile product 104, and helps prevent the thread 102 from absorbing moisture. In this embodiment, silicone polymer treated thread 102 is used for every single stitch in the textile product. In some embodiments, the finished seams may be subjected to a curing process, which may include, but is not limited to air curing or heat treatment. In one preferred embodiment, the seams may be ironed with hot iron, e.g. 170°C, to cure the silicone polymer into a water resilient, colorless synthetic rubber. It is understood that the temperature of the curing apparatus and the time that heat is applied to the seam may vary depending the type of material being sewn. In other preferred embodiments, the treated seams will provide rain proofing according to various national and/or international standards. By way of example and not limitation, the standard may be European standard BS EN 14360:2004, Protective clothing against rain; Test method for ready made garments; Impact from above with high energy droplets. It is understood that other standards may also be used.
Figure 5 illustrates one embodiment of a support frame 160 that may be used with the dispenser 200 and thread immersion/routing apparatus 120 of the present invention.
The support frame may include a first elongated section 162 connected to a second elongated section 164 via a plurality of connectors 166. A lower portion 168 of the second section 164 may be inserted into a corresponding opening in a mounting apparatus (not shown) that could be attached adjacent the sewing machine 150. The dispenser 200, thread immersion/routing apparatus 120, and container 110 may be attached to the frame as described below. Alternately, the components may be attached to each other, and the assembled system attached to the frame 160. It is understood that any type of support frame capable of supporting the components of the system 100 may be used with the embodiments of the system 100. The support frame 160 may be attached to a table 106 (Figure 1) that also supports the sewing machine 150. In alternate embodiments, the support frame 160 may be free standing and located adjacent the sewing machine 150.
Figure 6 illustrates a perspective view of a portion 220 of the dispenser 200 of Figures 2- 4 connected to the frame 160 of Figure 5. In this embodiment, the container 220 is shown attached to the frame 160 by means of a spring clip 170 attached to the front portion 162 of the frame 160 using a screw 172. A support shelf 174 may also be provided under the dispenser 200 to provide further support. It is understood that there are many ways to effect the connection of the various components. All such connections are considered to fall within the scope of the present embodiments.
Figure 7A illustrates a close-up side view of the container 110 connected to the front portion 162 of the frame 160. Figure 7B illustrates a front view of the front portion 162 of the frame 160. A screw or other fastener 114 may be attached to the container 110.
The screw 114 may then be inserted into a corresponding groove 178 of the front portion 162 of the frame 160. The container 110 may be any type of container capable of holding the mixed polymer solution provided from the dispenser 200. The container 110 may include a spout 112 for receiving the dispensed polymer solution from the mixer 240. It is understood that various container configurations known to those of skill in the art may be used with the embodiments of the present invention. Similarly, various connections means may be employed to attach the container 110 to the frame 160.
Figures 8 and 9 illustrate one embodiment of a means 120 for immersing the thread 102 into the polymer solution in container 110, and onto the sewing machine 150. ln this embodiment, the immersion/routing means 120 may include a frame 122, and a plurality of pulleys 124. As shown the frame 122 may include a horizontal section 122a that separates input pulley 124a and output pulley 124b. The frame 122 may further include a vertical section 122b having a mixing pulley 124c coupled thereto. Additionally, the frame 120 may include connecting sections 1 22c and 122d that attaché the frame 120 to the front section 162 of the frame 160 at connections points 161. In this embodiment, the thread 122 is run over the input pulley 124a, across the mixing pulley 124c, and back to the sewing machine 150 via the output pulley 124b. It is understood that other configurations for routing the thread 102 through the polymer solution and to the sewing machine 150 may also be used without departing from the scope of the present invention as defined by the appended claims.
Figure 10 illustrates one method, designated generally with reference numeral 300, for producing a waterproof seam in a textile product. The method 300 may include a first step of immersing a thread 102 in a polymer solution to soak said thread, as shown with reference numeral 302. The method 300 may further include steps for sewing a seam in the product with said polymer soaked thread, as shown with reference numeral 304, and curing said seam to form a watertight seal, as shown with reference numeral 306.
In some embodiments of the method 300, the immersing step 302 may further include providing a container containing the polymer solution; and routing the thread over a plurality of pulleys to immerse the thread in the solution. The container may be filled with a mixture of at least two components to produce the solution, each of the two components being separately stored adjacent the container. In some embodiments, the mixture may include equal parts of each of the components.
In one preferred embodiment of the method 300, the solution includes components A and B of [SR 2010, each component of which has been diluted at a ratio of 3:1 with a solvent prior to mixing in said container. As previously discussed, the solvent may be isopropyl alcohol, or any other appropriate solvent.
In alternate embodiments of the method 300, the curing step 306 may be accomplished by curing in air. Alternately, the curing step 306 may be accomplished by applying a heat source at a temperature of 170° C until the seam is cured.
Embodiments of the present invention provide several advantages over the prior art.
The equipment needed to produce seam sealed products using the embodiments of the present invention is reasonably inexpensive. The system and method greatly reduce the amount of time necessary to produce a seam sealed product, as additional sealing steps are not required. The system and method may be used for any type of material, and allow for a wide variety of clothing or other product designs as compared to the prior art.
It will be appreciated by a person skilled in the art that numerous variations and/or modifications may be made to the present invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects to be illustrative and not restrictive.
Claims (12)
- CLAIMS1. A method for producing a waterproof seam in a textile product, the method comprising the steps of: immersing a thread in a polymer solution to soak said thread; sewing a seam in the product with said polymer soaked thread; and curing said seam to form a watertight seal.
- 2. The method of claim 1 wherein said immersing step further comprises: providing a container containing said polymer solution; and routing said thread over a plurality of pulleys to immerse said thread in said solution.
- 3. The method of claim 2, wherein said container is filled with a mixture of at least two components to produce said solution, each of said two components being separately stored adjacent said container.
- 4. The method of claim 3 wherein said mixture comprises equal parts of each of said components.
- 5. The method of any one of claims 3 or 4, wherein said solution comprises components A and B of LSR 2010, each component of which has been diluted at a ratio of 3:1 with a solvent prior to mixing in said container.
- 6. The method of any one of the previous claims, wherein said product is selected from a group consisting of an article of clothing, a tent, and a tarpaulin.
- 7. The method of any one of the previous claims, wherein said curing step is accomplished by curing in air.
- S. The method of any one of claims 1-6, wherein said curing step is accomplished by applying a heat source at a desired temperature for a desired time until said seam is cured.
- 9. A system for producing a waterproof seam in a textile product, the system comprising: means for immersing a thread in a polymer solution; means for routing said soaked thread to a sewing machine which sews a S seam in said product; and means to cure said seam to provide a waterproof seal in said seam.
- 10. The system of claim 9, wherein said immersing means comprises: a liquid dispensing system comprising a first container containing a first component1 a second container containing a second component, and a third container containing a mixture of said first and second components; and a plurality of pulleys configured to route said thread into said mixture and to said sewing machine.
- 11. The system of claim 10, wherein said polymer solution comprises components A and B of liquid silicon rubber 2010, each component of which has been diluted at a ratio of 3:1 with a solvent prior to mixing in said third container.
- 12. The system of any one of claims 9-1 1, wherein said means to cure said seam is selected from a group consisting of air and a heat source.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SG200940502 | 2009-06-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
GB0914529D0 GB0914529D0 (en) | 2009-09-30 |
GB2470967A true GB2470967A (en) | 2010-12-15 |
Family
ID=41171637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0914529A Withdrawn GB2470967A (en) | 2009-06-12 | 2009-08-20 | System and method to seam seal textile products |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2470967A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS546968A (en) * | 1977-06-13 | 1979-01-19 | Unitika Ltd | Sewing process |
JPH05177068A (en) * | 1991-12-28 | 1993-07-20 | Takamichi Konno | Sewing method for sewn material requiring waterproofness |
DE4223853A1 (en) * | 1992-07-20 | 1994-01-27 | Gerd Ebert | Sewing thread, process for the production of tear-resistant chain stitch seams and chain stitch seam |
US5869182A (en) * | 1992-05-08 | 1999-02-09 | Ebert; Gerd | Sewing thread, area structure sewn thereby, and method for obtaining a splash-proof stitched connection |
GB2346624A (en) * | 1999-02-11 | 2000-08-16 | Hyperlast Ltd | Waterproofing of stitched articles |
-
2009
- 2009-08-20 GB GB0914529A patent/GB2470967A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS546968A (en) * | 1977-06-13 | 1979-01-19 | Unitika Ltd | Sewing process |
JPH05177068A (en) * | 1991-12-28 | 1993-07-20 | Takamichi Konno | Sewing method for sewn material requiring waterproofness |
US5869182A (en) * | 1992-05-08 | 1999-02-09 | Ebert; Gerd | Sewing thread, area structure sewn thereby, and method for obtaining a splash-proof stitched connection |
DE4223853A1 (en) * | 1992-07-20 | 1994-01-27 | Gerd Ebert | Sewing thread, process for the production of tear-resistant chain stitch seams and chain stitch seam |
GB2346624A (en) * | 1999-02-11 | 2000-08-16 | Hyperlast Ltd | Waterproofing of stitched articles |
Non-Patent Citations (1)
Title |
---|
WPI Abstract Accession No.1979-16538B [09] & JP 54006968 A * |
Also Published As
Publication number | Publication date |
---|---|
GB0914529D0 (en) | 2009-09-30 |
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WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |