WO2008091211A1 - Proceeding for bonding threads and means for making said proceeding - Google Patents

Proceeding for bonding threads and means for making said proceeding Download PDF

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Publication number
WO2008091211A1
WO2008091211A1 PCT/SE2008/050064 SE2008050064W WO2008091211A1 WO 2008091211 A1 WO2008091211 A1 WO 2008091211A1 SE 2008050064 W SE2008050064 W SE 2008050064W WO 2008091211 A1 WO2008091211 A1 WO 2008091211A1
Authority
WO
WIPO (PCT)
Prior art keywords
tape
piece
welding horn
fibrous
plastic
Prior art date
Application number
PCT/SE2008/050064
Other languages
French (fr)
Inventor
Bengt Petersson
Original Assignee
Button Bind Ab
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
Application filed by Button Bind Ab filed Critical Button Bind Ab
Publication of WO2008091211A1 publication Critical patent/WO2008091211A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
    • A41H37/001—Methods
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H37/00—Machines, appliances or methods for setting fastener-elements on garments
    • A41H37/10—Setting buttons
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
    • A41H43/00—Other methods, machines or appliances
    • A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/004—Preventing sticking together, e.g. of some areas of the parts to be joined
    • B29C66/0042—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined
    • B29C66/0044—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool
    • B29C66/00441—Preventing sticking together, e.g. of some areas of the parts to be joined of the joining tool and the parts to be joined using a separating sheet, e.g. fixed on the joining tool movable, e.g. mounted on reels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/47—Joining single elements to sheets, plates or other substantially flat surfaces
    • B29C66/472—Joining single elements to sheets, plates or other substantially flat surfaces said single elements being substantially flat
    • B29C66/4722—Fixing strips to surfaces other than edge faces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/69—General aspects of joining filaments 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B29C66/81429—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/12—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing
    • D05B3/14—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing perforated or press buttons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2019/00—Buttons or semi-finished parts of buttons for haberdashery

Definitions

  • the present invention relates to a proceeding for, in garments and other textile products, providing bonding of threads with which buttons are sewed onto the garment, etc.
  • the main object of the present invention is therefore, by using simple and efficiently working means, primarily to solve, among other things, the above-mentioned problems by a proceeding that provides strong and elegant joints for the buttons in question.
  • Said object is attained by means of a proceeding according to the present invention that essentially is characterized by the measures of placing a tape-shaped piece of material, consisting of a plastic tape that is joined to a fibrous tape having high heat resistance, between said garment, etc. and a welding horn provided with a circular contact surface, providing bonding of the accumulation of threads achieved by supplying heat by means of the welding horn to the area of the garment, etc.
  • the button in question is sewed on, holding, during the supply of heat, the fibrous side of the piece of material facing the heated welding horn while the plastic tape on the opposite side of the piece of material is held facing the accumulation of threads of the button, wherein, when pressing together the welding horn, the piece of material and the garment, there is provided melting of the plastic tape and separation of the fibrous tape from the part of the plastic tape melted thereby and that, accordingly, the melted plastic joins together the accumulation of threads while the fibrous part of the piece of material prevents the plastic tape from sticking to the welding horn.
  • the invention is intended to primarily be applied to garments and other textiles having a number of buttons sewed-on with thread.
  • the main purpose of the invention is to bring about fusion of threads used in sewing-on, so that said threads do not unwind and the buttons come loose.
  • the main object of the present invention is to solve the problems in a simple and efficient way by means of tape of a suitable material and having appropriate properties, so that the tape becomes rigid and prevents breakage and production disturbance causing loss of time, and to be able to exclude the silicone as release agent and thereby be environmental - friendly .
  • a piece of material partly composed of plastic is placed between said garment and a welding horn.
  • the bonding is provided by supplying heat at the area of the intended fastening portion of the button and garment, respectively.
  • Said piece of plastic material fuses together with the aggregation of threads, on the opposite side of the garment as the button is sewed onto, so that only one part of the piece of material is melted down into the aggregation of threads while the other part of the double-sided piece of material formed simultaneously provides a matt and subdued surface, which not looks plastic and inexpensive. This is the demand made by the clothes designers.
  • a fibrous part of the piece of material that not has been melted on functions as a rigid support and that substantially decreases the consumption of material and the cost .
  • the invention also relates to means suitable to utilize for carrying out a proceeding of the above-mentioned type of the invention.
  • Said means is substantially characterized by a tape-shaped piece of material consisting of a joined plastic tape and a fibrous tape having high heat resistance, a welding horn having a circular contact surface, means for supplying heat to the welding horn and melting the plastic tape at the area of the contact surface of the welding horn, and an anvil for the button in question.
  • a proceeding for, in garments 6 and other textile products, providing bonding of the thread 5 with which buttons 4 are sewed onto the garment 6, etc. comprises, according to the present invention, the measures of placing a tape- shaped piece of material 1 consisting of a plastic tape 2 that, as seen in the thickness direction of the tape, is joined to a fibrous tape having high heat resistance between said garment 6, etc. and a welding horn 7 provided with a circular contact surface 7A. Furthermore, there is provided bonding of the accumulation of threads 5 achieved by supplying heat by means of the welding horn 7 to the area of the garment 6, etc. that the button 4 in question is sewed on.
  • the fibrous side of the piece of material 1 is held facing the heated welding horn 7 while the plastic tape 2 on the opposite side of the piece of material 1 is held facing the accumulation of threads of the button 4, wherein, when pressing together the welding horn 7, the piece of material 1 and the garment 6, there is provided melting of the plastic tape 2 and separation of the fibrous tape 3 from the part of the plastic tape 2 melted thereby and that, accordingly, the melted plastic joins together the accumulation of threads 5 while the fibrous part of the piece of material 1 prevents the plastic tape 2 from sticking to the welding horn 7.
  • Means for carrying out a proceeding according to the invention is formed of a tape-shaped piece of material 1 that consists of a joined plastic tape 2 and a fibrous tape 3 having high heat resistance, a welding horn 7 having a circular contact surface, means for supplying heat to the welding horn 7 and melting the plastic tape 2 at the area of the contact surface 7A of the welding horn and an anvil 9 for the button 4 in question.
  • the plastic tape 2 is formed of polyethylene plastics.
  • the piece of material 1 is formed of a rolled, pre-joined tape of plastic 2 and fibrous material 3, respectively.
  • Said piece of material 1 has a plastic tape 2 preferably of polyethylene as well as a fibrous thin layer 3 joined to the polyethylene tape 2 that is to be facing the piece of cloth 6 and the sewing threads 5 of the sewed-on button, on the inside of the garment and not on the front side of the button.
  • the sewing thread 5 is pushed against a circular welding horn 7, the piece of material 1 is heated until the polyethylene material melts and is pressed against the sewing thread 5 of the button. In doing so, the thread 5 is joined together and bound so that the buttons 4 do not come loose .
  • the fibrous layer 3 between the polyethylene material 2 and the welding horn 7 does not melt and is not affected so that the fibrous material adheres to the melted circular part of the polyethylene that has penetrated into the sewing thread 5 of the button and does not either adhere to the heated welding horn 7.
  • the rigid piece of material 1, the tape 2 and the fibrous material layer 3 allow each circular welding spot to occur at a small distance between each welding spot. This means a very small consumption of material at a low cost.
  • Said piece of plastic material 1 has a surface cover 3 consisting of a fibrous layer on the upperside of the plastic tape 2.
  • the plastic tape 2 is preferably of polyethylene.
  • the fibrous the layer 3 is a particularly heat-resistant material, the material of which does not adhere to the welding horn.
  • the underside 2 of the piece of plastic material which abuts against the threads 5, with which the buttons 4 are sewed on, is melted down and binds together the threads 5 and sepa- rates from the fibrous layer 3 and is to be regarded as a support of the polyethylene material.
  • Said fibrous layer 3 withstands high speed upon reeling and shortens the production time without operational disturbances. This results in the fibrous layer 3 providing a matt surface on the melted circular polyethylene 2 over the aggregation of threads 5 of the button 4, which is bound together with an efficient and subduedly design- wise accepted appearance.
  • Fig 1 shows the piece of material 1 consisting of one of the parts a polyethylene tape 2 that has been joined to a fibrous tape 3.
  • the fibrous tape 3 becomes pressed down against the accumulation of threads 5 of the button 4 and pushes down the melted plastic tape 2 that binds together the accumulation of threads 5.
  • the fibrous tape 3 does not melt and does not stick to the melted polyethylene 2.
  • the piece of material 1 can be moved and reeled a step for next welding phase from reel 10 to reel 10.
  • a shown anvil for the button 4 is designated by the numeral 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Details Of Garments (AREA)

Abstract

The invention relates to a proceeding as well as means for attaching buttons to clothes (6). According to the invention, there is placed a tape-shaped piece of material (1), consisting of a plastic tape (2) that is joined to a fibrous tape (3) having high heat resistance, between said garment (6), etc. and a welding horn (7) provided with a circular contact surface (7A). Bonding of the accumulation of threads (5) achieved is provided by supplying heat by means of the welding horn (7) to the area of the garment (6), etc. that the button (4) in question is sewed on, and during the supply of heat, the fibrous side of the piece of material (1) is held facing the heated welding horn (7) while the plastic tape (2) on the oppo¬ site side of the piece of material (1) is held facing the accumulation of threads of the button (4). When pressing together the welding horn (7), the piece of material (1) and the garment (6), there is provided melting of the plastic tape (2) and separation of the fibrous tape (3) from the part of the plastic tape (2) melted thereby, and the thus melted plastic joins together the accumulation of threads (5) while the fibrous part of the piece of material (1) prevents the plastic tape (2) from sticking to the welding horn (7).

Description

Proceeding for bonding threads and means for making said proceeding
The present invention relates to a proceeding for, in garments and other textile products, providing bonding of threads with which buttons are sewed onto the garment, etc.
The proceeding applies to the bonding of the thread (s) with which the buttons in the garments or other textile products are sewed on in order for the same to be reliably- secured without being able to unwind.
By for instance WO 98/51174 and SE 0402516-9, respectively, there are previously known a proceeding and a device, respectively, for providing fusion of the thread or the threads with which buttons on textiles are sewed on.
Previously, either there was arranged a layer of Teflon® on the proper welding tool utilized or there was arranged Teflon® between the welding tool and the plastic tape against the thread intended to be fused together with the plastic material .
According to the first case, either there was arranged a layer of Teflon® on the proper welding tool or between the welding tool and the plastic tape against the thread intended to be fused together with the plastic material. In the first-mentioned case, when Teflon® was utilized as release agent, this was worn out quickly and was therefore not manufacturing friendly, and this material is also expensive.
In the latter case, there was utilized a piece of plastic material of polyethylene coated with silicone, which resulted in a shiny unattractive surface. Furthermore, no rigid tape was obtained but a tape that required a large width and a long distance between the welding spots, which resulted in high wastage of the material in the tape in question. The tape broke easily since there was no reinforcement in the tape material.
The main object of the present invention is therefore, by using simple and efficiently working means, primarily to solve, among other things, the above-mentioned problems by a proceeding that provides strong and elegant joints for the buttons in question.
Said object is attained by means of a proceeding according to the present invention that essentially is characterized by the measures of placing a tape-shaped piece of material, consisting of a plastic tape that is joined to a fibrous tape having high heat resistance, between said garment, etc. and a welding horn provided with a circular contact surface, providing bonding of the accumulation of threads achieved by supplying heat by means of the welding horn to the area of the garment, etc. that the button in question is sewed on, holding, during the supply of heat, the fibrous side of the piece of material facing the heated welding horn while the plastic tape on the opposite side of the piece of material is held facing the accumulation of threads of the button, wherein, when pressing together the welding horn, the piece of material and the garment, there is provided melting of the plastic tape and separation of the fibrous tape from the part of the plastic tape melted thereby and that, accordingly, the melted plastic joins together the accumulation of threads while the fibrous part of the piece of material prevents the plastic tape from sticking to the welding horn.
The invention is intended to primarily be applied to garments and other textiles having a number of buttons sewed-on with thread. In that connection, the main purpose of the invention is to bring about fusion of threads used in sewing-on, so that said threads do not unwind and the buttons come loose. The main object of the present invention is to solve the problems in a simple and efficient way by means of tape of a suitable material and having appropriate properties, so that the tape becomes rigid and prevents breakage and production disturbance causing loss of time, and to be able to exclude the silicone as release agent and thereby be environmental - friendly .
A piece of material partly composed of plastic is placed between said garment and a welding horn. The bonding is provided by supplying heat at the area of the intended fastening portion of the button and garment, respectively. Said piece of plastic material fuses together with the aggregation of threads, on the opposite side of the garment as the button is sewed onto, so that only one part of the piece of material is melted down into the aggregation of threads while the other part of the double-sided piece of material formed simultaneously provides a matt and subdued surface, which not looks plastic and inexpensive. This is the demand made by the clothes designers. In addition, a fibrous part of the piece of material that not has been melted on functions as a rigid support and that substantially decreases the consumption of material and the cost .
The invention also relates to means suitable to utilize for carrying out a proceeding of the above-mentioned type of the invention.
Said means is substantially characterized by a tape-shaped piece of material consisting of a joined plastic tape and a fibrous tape having high heat resistance, a welding horn having a circular contact surface, means for supplying heat to the welding horn and melting the plastic tape at the area of the contact surface of the welding horn, and an anvil for the button in question.
The invention is described below, reference being made to accompanying drawing according to Fig 1 that schematically shows in section the principle of the proceeding and means according to the invention.
A proceeding for, in garments 6 and other textile products, providing bonding of the thread 5 with which buttons 4 are sewed onto the garment 6, etc. comprises, according to the present invention, the measures of placing a tape- shaped piece of material 1 consisting of a plastic tape 2 that, as seen in the thickness direction of the tape, is joined to a fibrous tape having high heat resistance between said garment 6, etc. and a welding horn 7 provided with a circular contact surface 7A. Furthermore, there is provided bonding of the accumulation of threads 5 achieved by supplying heat by means of the welding horn 7 to the area of the garment 6, etc. that the button 4 in question is sewed on. During the supply of heat, the fibrous side of the piece of material 1 is held facing the heated welding horn 7 while the plastic tape 2 on the opposite side of the piece of material 1 is held facing the accumulation of threads of the button 4, wherein, when pressing together the welding horn 7, the piece of material 1 and the garment 6, there is provided melting of the plastic tape 2 and separation of the fibrous tape 3 from the part of the plastic tape 2 melted thereby and that, accordingly, the melted plastic joins together the accumulation of threads 5 while the fibrous part of the piece of material 1 prevents the plastic tape 2 from sticking to the welding horn 7.
Means for carrying out a proceeding according to the invention is formed of a tape-shaped piece of material 1 that consists of a joined plastic tape 2 and a fibrous tape 3 having high heat resistance, a welding horn 7 having a circular contact surface, means for supplying heat to the welding horn 7 and melting the plastic tape 2 at the area of the contact surface 7A of the welding horn and an anvil 9 for the button 4 in question. Preferably, the plastic tape 2 is formed of polyethylene plastics. Suitably, the piece of material 1 is formed of a rolled, pre-joined tape of plastic 2 and fibrous material 3, respectively.
Finally, there is a line 50 for continuous melting-on of sewed-on buttons 4 of garments 6, etc.
Said piece of material 1 has a plastic tape 2 preferably of polyethylene as well as a fibrous thin layer 3 joined to the polyethylene tape 2 that is to be facing the piece of cloth 6 and the sewing threads 5 of the sewed-on button, on the inside of the garment and not on the front side of the button. When the sewing thread 5 is pushed against a circular welding horn 7, the piece of material 1 is heated until the polyethylene material melts and is pressed against the sewing thread 5 of the button. In doing so, the thread 5 is joined together and bound so that the buttons 4 do not come loose . The fibrous layer 3 between the polyethylene material 2 and the welding horn 7 does not melt and is not affected so that the fibrous material adheres to the melted circular part of the polyethylene that has penetrated into the sewing thread 5 of the button and does not either adhere to the heated welding horn 7. The rigid piece of material 1, the tape 2 and the fibrous material layer 3 allow each circular welding spot to occur at a small distance between each welding spot. This means a very small consumption of material at a low cost.
Said piece of plastic material 1 has a surface cover 3 consisting of a fibrous layer on the upperside of the plastic tape 2. The plastic tape 2 is preferably of polyethylene. The fibrous the layer 3 is a particularly heat-resistant material, the material of which does not adhere to the welding horn. The underside 2 of the piece of plastic material, which abuts against the threads 5, with which the buttons 4 are sewed on, is melted down and binds together the threads 5 and sepa- rates from the fibrous layer 3 and is to be regarded as a support of the polyethylene material. Said fibrous layer 3 withstands high speed upon reeling and shortens the production time without operational disturbances. This results in the fibrous layer 3 providing a matt surface on the melted circular polyethylene 2 over the aggregation of threads 5 of the button 4, which is bound together with an efficient and subduedly design- wise accepted appearance.
Fig 1 shows the piece of material 1 consisting of one of the parts a polyethylene tape 2 that has been joined to a fibrous tape 3. This forms two sides of the piece of material 1 of which that one side of the polyethylene tape 2 is facing the accumulation of threads 5 of the sewed-on button 4 on the outside of the textile garment 6 while the other side of the piece of material 1 presents the joined fibrous tape 3 facing the heated welding horn 7 and the circular welding surface 7A thereof. When the welding horn 7 is pressed down with the circular formation 8 thereof against the piece of material 1, the fibrous tape 3 becomes pressed down against the accumulation of threads 5 of the button 4 and pushes down the melted plastic tape 2 that binds together the accumulation of threads 5. The fibrous tape 3 does not melt and does not stick to the melted polyethylene 2. Then, the piece of material 1 can be moved and reeled a step for next welding phase from reel 10 to reel 10. A shown anvil for the button 4 is designated by the numeral 9.
The function and the nature of the invention should have been clear from what has been indicated above and shown in the drawings .
Naturally, the invention is not limited to the embodiments described above and shown in the accompanying drawings. Modifications are feasible, particularly as for the nature of the different parts, or by using an equivalent tech- nique, without departing from the protection area of the invention, such as it is defined in the claims.

Claims

C l a i m s
1. Proceeding for, in garments (6) and other textile products, providing bonding of threads (5) with which buttons (4) are sewed onto the garment (6), etc., characterized by the measures of placing a tape-shaped piece of material (1) , consisting of a plastic tape (2) that is joined to a fibrous tape (3) having high heat resistance, between said garment (6), etc. and a welding horn (7) provided with a circular contact surface (7A) , providing bonding of the accumulation of threads (5) achieved by supplying heat by means of the welding horn (7) to the area of the garment (6), etc. that the button (4) in question is sewed on, holding, during the supply of heat, the fibrous side of the piece of material (1) facing the heated welding horn (7) while the plastic tape (2) on the opposite side of the piece of material (1) is held facing the accumulation of threads of the button (4) , wherein, when pressing together the welding horn (7) , the piece of material (1) and the garment (6) , there is provided melting of the plastic tape (2) and separation of the fibrous tape (3) from the part of the plastic tape (2) melted thereby and that, accordingly, the melted plastic joins together the accumulation of threads (5) while the fibrous part of the piece of material (1) prevents the plastic tape (2) from sticking to the welding horn (7) .
2. Means for carrying out a proceeding according to claim 1, characterized by a tape-shaped piece of material (1) consisting of a joined plastic tape (2) and a fibrous tape (3) having high heat resistance, a welding horn (7) having a circular contact surface, means for supplying heat to the welding horn (7) and melting the plastic tape (2) at the area of the contact surface (7A) of the welding horn, and an anvil (9) for the button (4) in question.
3. Means according to claim 2, characterized in that the plastic tape (2) is formed of polyethylene plastics.
4. Means according to any one of claims 2-3, characterized in that the piece of material (1) is formed of a rolled, pre-joined tape of plastics (2) and fibrous material (3), respectively.
5. Means according to any one of claims 2-4, char- acterized in that a line (50) for continuous melting-on of sewed-on buttons (4) of garments (6), etc. comprises said means .
PCT/SE2008/050064 2007-01-24 2008-01-22 Proceeding for bonding threads and means for making said proceeding WO2008091211A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0700155A SE0700155L (en) 2007-01-24 2007-01-24 Sewing the threads after sewing the buttons in garments, the threads holding the buttons
SE0700155-5 2007-01-24

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WO2008091211A1 true WO2008091211A1 (en) 2008-07-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020083788A1 (en) * 2018-10-26 2020-04-30 Paolini Massimo System for applying accessories on a support

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524842A (en) * 1944-11-01 1950-10-10 Ind Tape Corp Method and means for attaching fastening elements to flexible sheet material
US4120054A (en) * 1976-10-06 1978-10-17 Lemelson Jerome H Button assembly for textile material
US6375772B1 (en) * 1997-05-13 2002-04-23 Bengt Petersson Method for fastening buttons by welding and a device for making said method
WO2006011845A1 (en) * 2004-07-27 2006-02-02 Pettersson, Elisabeth Procedure to keep together threads, device for accomplish the procedure and garments including keep together threads

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2524842A (en) * 1944-11-01 1950-10-10 Ind Tape Corp Method and means for attaching fastening elements to flexible sheet material
US4120054A (en) * 1976-10-06 1978-10-17 Lemelson Jerome H Button assembly for textile material
US6375772B1 (en) * 1997-05-13 2002-04-23 Bengt Petersson Method for fastening buttons by welding and a device for making said method
WO2006011845A1 (en) * 2004-07-27 2006-02-02 Pettersson, Elisabeth Procedure to keep together threads, device for accomplish the procedure and garments including keep together threads

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020083788A1 (en) * 2018-10-26 2020-04-30 Paolini Massimo System for applying accessories on a support

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