JP2012179790A - Fusing and welding method, and fuel filter - Google Patents
Fusing and welding method, and fuel filter Download PDFInfo
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- JP2012179790A JP2012179790A JP2011043677A JP2011043677A JP2012179790A JP 2012179790 A JP2012179790 A JP 2012179790A JP 2011043677 A JP2011043677 A JP 2011043677A JP 2011043677 A JP2011043677 A JP 2011043677A JP 2012179790 A JP2012179790 A JP 2012179790A
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- fusing
- blade
- cut
- fuel filter
- synthetic resin
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- 238000003466 welding Methods 0.000 title claims abstract description 36
- 239000000446 fuel Substances 0.000 title claims description 45
- 238000000034 method Methods 0.000 title claims description 26
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 16
- 239000000057 synthetic resin Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 6
- 230000008018 melting Effects 0.000 claims abstract description 6
- 239000004744 fabric Substances 0.000 claims description 19
- 230000005684 electric field Effects 0.000 claims description 3
- 239000012466 permeate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/027—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks rigidly mounted in or on tanks or reservoirs
- B01D35/0273—Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/111—Making filtering elements
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- 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
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- 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
- B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
- B29C65/743—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc
- B29C65/7443—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using the same tool for both joining and severing, said tool being monobloc or formed by several parts mounted together and forming a monobloc by means of ultrasonic vibrations
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- 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
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/133—Fin-type joints, the parts to be joined being flexible
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- 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
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
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- 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
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
- B29C66/4332—Casing-in, i.e. enclosing an element between two sheets by an outlined seam by folding a sheet over
-
- 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
- B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81425—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
-
- 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
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- 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
- B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
-
- 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
- B29C66/81411—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81415—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 characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
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- 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
- B29L2031/00—Other particular articles
- B29L2031/14—Filters
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- 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
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7172—Fuel tanks, jerry cans
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Filtering Materials (AREA)
- Treatment Of Fiber Materials (AREA)
- Filtration Of Liquid (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
この発明は、合成樹脂製の生地を積層状態にしてなる対象物を、切断しながらその切断箇所において各生地同士を適切に溶着させ合わせ得る方法、及び、この方法によって袋状に生成されてなる燃料用フィルタに関する。 The present invention is a method in which a fabric made of synthetic resin is laminated, and a fabric can be appropriately welded to each other at the cutting location while being cut, and the bag is produced by this method. The present invention relates to a fuel filter.
熱可塑性合成樹脂を主体とした生地を積層状態にした状態から、これに刃物を押しつけると共に、この刃物の周囲のコイルに高周波電流を流して、かかる積層された生地をこの刃物の押しつけ位置で切断すると共に溶着させ合わせる手法として、特許文献1に示されるものがある。(高周波誘導加熱) From the state in which the fabric mainly composed of thermoplastic synthetic resin is in a laminated state, the blade is pressed against it and a high-frequency current is passed through the coil around the blade to cut the laminated fabric at the position where the blade is pressed. A technique disclosed in Japanese Patent Application Laid-Open No. H10-228707 is known as a technique for performing welding together. (High frequency induction heating)
しかしながら、かかる手法にあっては、刃物の受け治具側を高温にし難いため、前記生地の積層枚数が多くなるとこの受け治具側において各生地同士をその切断端面において適切に溶着させ難い。 However, in such a technique, it is difficult to raise the temperature of the receiving jig side of the blade, so that when the number of the laminated sheets increases, it is difficult to appropriately weld the respective cloths on the cut end face on the receiving jig side.
この発明にかかる溶断溶着方法が解決しようとする主たる問題点は、合成樹脂製の生地を積層状態にしてなる対象物を、切断端面で各生地同士を強固に溶着させながら切断できるようにする点にある。また、この発明にかかる燃料用フィルタが解決しようとする主たる問題点は、前記対象物に対する溶断によってこの対象物から適切に生成可能な袋状をなす燃料用フィルタを提供する点にある。 The main problem to be solved by the fusing and welding method according to the present invention is that an object in which synthetic resin fabrics are laminated can be cut while firmly bonding each fabric at the cut end surface. It is in. The main problem to be solved by the fuel filter according to the present invention is to provide a fuel filter having a bag shape that can be appropriately generated from the object by fusing the object.
前記課題を達成するため、この発明にあっては、第一の観点から、溶断溶着方法を、合成樹脂製の生地を積層状態にしてなる対象物を、ホーン体と刃体又は刃状のホーン体とその受け体との間に挟持した後、このホーン体に前記対象物の溶融をもたらす超音波振動を生じさせて前記挟持位置において前記刃体による対象物の切断とこの切断端面での前記生地同士の溶着とをなすものとした。また、前記課題を達成するため、この発明にあっては、第二の観点から、溶断溶着方法を、合成樹脂製の生地を積層状態にしてなる対象物を、刃状の電極とこれと対をなす電極との間に挟持した後、この挟持位置において両電極間に対象物の溶融をもたらす電界を生じさせて対象物の切断とこの切断端面での前記生地同士の溶着とをなすものとした。また、燃料用フィルタを、燃料を透過させる合成樹脂製の生地を積層状態にしてなる対象物に対して、前記溶断溶着方法によって施される切断部によって、又は、この切断部とこの対象物を二つ折りにした箇所とによって、この対象物を燃料ポンプに連通される内部空間を持った袋状にしてなるものとした。 In order to achieve the above object, according to the present invention, from the first viewpoint, the fusing and welding method is carried out using a horn body and a blade body or a blade-shaped horn as an object in which synthetic resin fabrics are laminated. After being sandwiched between the body and its receiving body, the horn body is caused to generate ultrasonic vibrations that cause melting of the object, so that the object is cut by the blade body at the clamping position and the cutting end face is The dough was welded together. In order to achieve the above object, according to the present invention, from the second viewpoint, the fusing and welding method is performed by combining a synthetic resin fabric with an object in a laminated state with a blade-like electrode and the object. After being sandwiched between the two electrodes, an electric field that causes melting of the target object is generated between the two electrodes at the sandwiched position, thereby cutting the target object and welding the doughs on the cut end faces. did. In addition, the fuel filter is formed by cutting the synthetic resin material through which fuel is permeated into a laminated state by a cutting portion applied by the fusing and welding method, or the cutting portion and the target object. The object was formed into a bag shape having an internal space communicating with the fuel pump, depending on the folded portion.
前記第一の観点にかかる溶断溶着方法によれば、刃体又は刃状のホーン体により、また、第二の観点にかかる溶着溶断方法によれば、刃状の電極により、切断端面で各生地同士を強固に溶着させながら切断することができる。したがって、前記対象物に対して生成すべき袋状の燃料用フィルタの外郭に倣った切断部を前記方法によって施すことにより、かかる燃料用フィルタを適切に構成することができる。 According to the fusing and welding method according to the first aspect, each dough is cut at the cutting end surface by the blade body or the blade-shaped horn body, and according to the welding and fusing method according to the second aspect, by the blade-shaped electrode. It can cut | disconnect, welding each other firmly. Therefore, the fuel filter can be appropriately configured by applying the cutting portion that follows the outline of the bag-shaped fuel filter to be generated to the object by the above method.
以下、図1〜図6に基づいて、この発明の典型的な実施の形態について、説明する。この実施の形態にかかる溶断溶着方法は、合成樹脂製の生地を積層状態にしてなる対象物Mを、切断しながらその切断箇所において各生地同士を適切に溶着させ合わせ得るものである。また、この実施の形態にかかる燃料用フィルタ1はかかる溶着溶断方法によって袋状に生成されてなるものである。 Hereinafter, typical embodiments of the present invention will be described with reference to FIGS. In the fusing and welding method according to this embodiment, the fabric M made of synthetic resin can be laminated, and the fabrics can be appropriately welded together at the cut location while cutting the object M. Further, the fuel filter 1 according to this embodiment is produced in a bag shape by such a welding fusing method.
合成樹脂製の生地としては、典型的には、熱可塑性合成樹脂よりなるか、この熱可塑性合成樹脂を主体として、シート状ないしはマット状をなすものが予定される。 The synthetic resin fabric is typically made of a thermoplastic synthetic resin or a sheet-like or mat-like material mainly composed of this thermoplastic synthetic resin.
先ず、かかる生地を積層状態にしてなる対象物Mを、ホーン体Hと刃体Eとの間に配置し、両者によって挟持する。(図1及び図2)刃体Eは、刃先をホーン体Hの受け部とするように構成される。対象物Mに周回状をなす切断を施す場合には、刃体Eは前記挟持方向に直交する向きの断面を周回状にして従って前記刃先を周回状に備えた例えばリング状をなし、ホーン体Hもこれに対応したリング状をなす。 First, an object M in which the dough is laminated is placed between the horn body H and the blade body E, and is sandwiched by both. (FIGS. 1 and 2) The blade body E is configured such that the blade edge serves as a receiving portion of the horn body H. When cutting the object M in a circular shape, the blade body E is formed in a circular shape, for example, having a circular cross section in a direction perpendicular to the clamping direction, and thus the blade edge is provided in a circular shape. H also has a corresponding ring shape.
次いで、ホーン体Hに前記対象物Mの溶融をもたらす超音波振動を生じさせて前記挟持位置Pにおいて前記刃体Eによる対象物Mの切断とこの切断端面での前記生地同士の溶着とをなす。ホーン体Hは公知の超音波溶着装置を構成する固定振動子に接続される。ホーン体Hに前記超音波振動が生じると前記挟持位置Pにおいて対象物Mは瞬間的に溶融する。かかるホーン体Hの受け部は刃体Eであるので、これと同時に、かかる刃体Eにより対象物Mは切断され、それと共に、切断端面において対象物Mを構成する生地同士の溶着がなされる。積層された生地同士は、超音波振動により、ホーン体Hの側から刃体Eの側に亘って偏頗なく切断端面において溶着され合う。したがって、かかる溶着溶断方法によれば、前記対象物Mが多数枚の前記生地を積層させてなるものであっても、その切断端面における各生地の溶着状態を強固なものとすることができる。また、溶着と切断とを別個にその順で行う場合には溶着範囲内での切断を適切に行えるように溶着代を比較的大きく確保せざるを得ないところ、かかる溶着溶断方法によれば対象物Mに対する切断と溶着とを同時になすことができることから、対象物Mの切断部の溶着代の幅を最小化することができる。 Next, ultrasonic vibration that causes melting of the object M is generated in the horn body H, and the cutting of the object M by the blade body E and welding of the doughs at the cut end faces are performed at the holding position P. . The horn body H is connected to a fixed vibrator constituting a known ultrasonic welding apparatus. When the ultrasonic vibration is generated in the horn body H, the object M is instantaneously melted at the clamping position P. Since the receiving portion of the horn body H is the blade body E, at the same time, the object M is cut by the blade body E, and at the same time, the fabrics constituting the object M are welded to each other at the cut end face. . The laminated fabrics are welded to each other at the cut end face without deviation from the horn body H side to the blade body E side by ultrasonic vibration. Therefore, according to the welding fusing method, even if the object M is formed by laminating a large number of the doughs, the welded state of each dough on the cut end surface can be strengthened. In addition, when welding and cutting are performed separately in that order, a relatively large welding allowance must be secured so that cutting within the welding range can be performed appropriately. Since cutting and welding with respect to the object M can be performed at the same time, the width of the welding allowance of the cutting portion of the object M can be minimized.
前記超音波振動による切断と溶着は、ホーン体Hを刃状に構成し、このホーン体Hの刃先とこのホーン体Hの受け体Jとの間に前記対象物Mを挟持することによっても、可能である。(図3) The cutting and welding by the ultrasonic vibration can be performed by forming the horn body H into a blade shape and sandwiching the object M between the blade edge of the horn body H and the receiving body J of the horn body H. Is possible. (Figure 3)
また、前記のような切断と溶着は、対象物を刃状の電極Aとこれと対をなす電極A’との間に挟持した後、この挟持位置において両電極A、A’間に対象物Mの溶融をもたらす電界を生じさせることによっても、可能である。(高周波誘電加熱/図4) Further, in the cutting and welding as described above, after the object is sandwiched between the blade-shaped electrode A and the electrode A ′ paired therewith, the object is sandwiched between the electrodes A and A ′ at the sandwiching position. It is also possible to generate an electric field that leads to melting of M. (High-frequency dielectric heating / Fig. 4)
図5は、以上に説明した溶着溶断方法によって、前記対象物Mから生成される袋状をなす燃料用フィルタ1の一例を示している。かかる燃料用フィルタ1は、幅広の上下両面を備えた扁平の袋状を呈し、典型的には燃料タンク2の底部2aにその下側の面を接しさせると共に、その袋内空間1aを燃料ポンプ側2bに連通させるように燃料タンク2内に配されて用いられる。かかる燃料用フィルタ1は燃料を透過させる合成樹脂製の生地を積層状態にしてなる対象物Mに対し、前記溶着溶断方法を用いて生成される。かかる生地としては、メッシュ状をなすもの及び不織布状をなすものが予定される。
FIG. 5 shows an example of a fuel filter 1 having a bag shape generated from the object M by the welding fusing method described above. The fuel filter 1 has a flat bag shape with wide upper and lower surfaces, typically the
より具体的には、かかる燃料用フィルタ1は、前記対象物Mに対して、前記溶断溶着方法によって施される切断部1bによって、この対象物Mを燃料ポンプに連通される袋内空間1aを持った袋状にしてなる。典型的には、前記生地の二枚以上を積層させてなる燃料用フィルタ1の上側の面を構成する対象物Mと、同じく前記生地の二枚以上を積層させてなる燃料用フィルタ1の下側の面を構成する対象物Mとを、上下に重ね合わせた状態で、生成すべき燃料用フィルタ1の外郭形状に倣った周回状をなす切断部1bをかかる上下の対象物Mに施す。上下の対象物Mは切断部1bによって溶着され扁平な袋状をなす燃料用フィルタ1となる。燃料用フィルタ1内には、かかる切断部1bの形成に先立って上下の対象物M間に挟み入れた間隔形成部材1cが収められる。燃料用フィルタ1の上側の面を構成する対象物Mには貫通孔1dが予め形成され、この貫通孔1dを通じて燃料用フィルタ1に取り付けられた接続管部1eを介して燃料用フィルタ1は燃料ポンプ側2bにその袋内空間1aを連通させる。燃料用フィルタ1の上下両面間には、前記間隔形成部材1cにより、常時一定の間隔が形成され、燃料用フィルタ1の全体が燃料の濾過に有効に機能するようになっている。
More specifically, the fuel filter 1 has an in-
図6は、かかる燃料用フィルタ1を、前記対象物Mに対して、前記溶断溶着方法によって施される切断部1bとこの対象物Mを二つ折りにした箇所1fとによって、この対象物Mを燃料ポンプに連通される袋内空間1aを持った袋状にして構成させた例を示している。典型的には、前記生地の二枚以上を積層させてなる対象物Mを燃料用フィルタ1の内側となる面が向き合うように二つ折りにした状態で、この折った箇所1fが生成される燃料用フィルタ1の外郭の一部となるようにかかる二つ折りにした対象物Mに生成すべき燃料用フィルタ1の外郭形状に倣った切断部1bを施す。二つ折りにした対象物Mは切断部1bによって折った箇所以外の箇所を溶着され扁平な袋状をなす燃料用フィルタ1となる。
FIG. 6 shows that the fuel filter 1 is made up of a
かかる燃料用フィルタ1は、前記切断部1bの溶着代1gの幅を最小化し得ることから、燃料の濾過に有効に機能する面積、つまり、有効濾過面積を最大化し得る特長を有している。また、前記間隔形成部材1cを囲むようにして形成された切断部1b、つまり、前記切断端面において積層された各生地は、間隔形成部材1cに影響されることなく強固に溶着される。
Since the fuel filter 1 can minimize the width of the welding allowance 1g of the
M 対象物
H ホーン体
E 刃体
M Object H Horn body E Blade body
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JPS52128972A (en) * | 1976-04-22 | 1977-10-28 | Kyoshin & Co | Method of treatment for adhesion or cutting of synthetic resin sheet or film by using high frequency wave |
JPS58145413A (en) * | 1982-02-23 | 1983-08-30 | Tachikawa Spring Co Ltd | Forming method of carpet |
JPH01166933A (en) * | 1987-12-23 | 1989-06-30 | Eiji Kuwabara | Manufacture of gold-lacelike emblem with thermoplastic synthetic resin film |
JPH04168034A (en) * | 1990-10-31 | 1992-06-16 | Japan Vilene Co Ltd | Manufacture of sheet containing powder |
JPH05247809A (en) * | 1992-03-10 | 1993-09-24 | Kuroda Nobuo | Melt-bonding of plastic decoration piece to water-repellent cloth |
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