JPH11115054A - 加硫ゴムシートの接合方法 - Google Patents

加硫ゴムシートの接合方法

Info

Publication number
JPH11115054A
JPH11115054A JP9303640A JP30364097A JPH11115054A JP H11115054 A JPH11115054 A JP H11115054A JP 9303640 A JP9303640 A JP 9303640A JP 30364097 A JP30364097 A JP 30364097A JP H11115054 A JPH11115054 A JP H11115054A
Authority
JP
Japan
Prior art keywords
vulcanized rubber
bonding
rubber sheet
joining
rubber sheets
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.)
Pending
Application number
JP9303640A
Other languages
English (en)
Inventor
Hideki Miyaji
秀樹 宮地
Masayuki Tsuboi
正行 坪井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Tire Corp
Original Assignee
Toyo Tire and Rubber Co Ltd
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 Toyo Tire and Rubber Co Ltd filed Critical Toyo Tire and Rubber Co Ltd
Priority to JP9303640A priority Critical patent/JPH11115054A/ja
Publication of JPH11115054A publication Critical patent/JPH11115054A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/5057—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 positioned between the surfaces 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
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/103—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined direct heating both surfaces 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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/26—Hot fluid
    • 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
    • B29C65/72—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by combined operations or combined techniques, e.g. welding and stitching
    • 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
    • B29C65/82—Testing the joint
    • B29C65/8207—Testing the joint by mechanical methods
    • B29C65/8246—Pressure tests, e.g. hydrostatic pressure tests
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
    • B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
    • 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
    • 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
    • B29C66/70—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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73753—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being partially cured, i.e. partially cross-linked, partially vulcanized
    • B29C66/73754—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being partially cured, i.e. partially cross-linked, partially vulcanized the to-be-joined areas of both parts to be joined being partially cured
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73755—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being fully cured, i.e. fully cross-linked, fully vulcanized
    • B29C66/73756—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being fully cured, i.e. fully cross-linked, fully vulcanized the to-be-joined areas of both parts to be joined being fully cured
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7394—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset
    • B29C66/73941—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoset characterised by the materials of both parts being thermosets
    • 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
    • B29C66/8145—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B29C66/81469—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 constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint one placed next to the other in a single line transverse to the feed direction, e.g. shoulder to shoulder sonotrodes
    • 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
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • 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
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/865—Independently movable welding apparatus, e.g. on wheels
    • B29C66/8652—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling
    • B29C66/86521—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being self-propelling
    • B29C66/86523—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being self-propelling the traction being made on the seam
    • 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
    • B29C65/5007—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 characterised by the structure of said adhesive tape, threads or the like
    • B29C65/5014—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 characterised by the structure of said adhesive tape, threads or the like being fibre-reinforced
    • 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
    • B29C65/5007—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 characterised by the structure of said adhesive tape, threads or the like
    • B29C65/5028—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 characterised by the structure of said adhesive tape, threads or the like being textile in woven or non-woven form
    • 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
    • B29C65/5092—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 characterised by the tape handling mechanisms, e.g. using vacuum

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

(57)【要約】 【課題】 廃棄物処分場等の施工現場で加硫ゴム
シート同士を接合する際に接着力の強い接合部が得ら
れ、検査用チャンネルの形成が容易であり、かつ接合部
における上下の加硫ゴムシート間にずれが生じない。 【解決手段】 ２枚の加硫ゴムシート１Ａ、１Ｂを両
者の縁部が上下に重なるように並べて接合する方法にお
いて、一方の加硫ゴムシート１Ａの縁部上にあらかじめ
オレフィン系樹脂からなる接合用テープ２を熱融着で固
着し、次いでこの接合用テープ２上に他方の加硫ゴムシ
ート１Ｂの縁部を重ねながら、その重なる直前の対向面
を加熱し、しかるのち互いに反対向きに等速度で回転す
る上下一対の圧着ローラ１２、１８間に上下２枚の加硫
ゴムシートの縁部を挟んでこの両者を上記接合用テープ
２の融着で接合する。

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は、廃棄物処分場、貯水
池、雨水の貯留場、河川の堤防等の土木分野における遮
水および建築物の陸屋根等の防水に使用される加硫ゴム
シートの接合方法に関するものである。
【０００２】
【従来の技術】廃棄物処分場等の遮水または防水を目的
として敷設される加硫ゴムシートは、工場生産の際に幅
と長さが所定の大きさに決定されるため、敷設に際して
は現場の広さや形状に応じて上記の加硫ゴムシートを裁
断し、次いで隣接する２枚の加硫ゴムシートの縁部を上
下に重ねて接合している。そして、接合方法としては、
上下に重ねられる縁部の少なくとも一方に溶剤系の接着
剤を所定幅の１本または２本の線状に塗布し、この塗布
面に他方の縁部を重ね、接着剤が半乾燥のときに重なり
部をローラで加圧する方法が採用されている。
【０００３】しかしながら、この方法は、ボリ塩化ビニ
ルやポリエチレンを熱融着する場合に比べて接着力が低
くて使用中に剥離し易く、また接着剤を２本の平行線状
に塗布して重なり部に検査用チャンネルを形成し、その
一端から加圧空気を供給して空気洩れの有無を検査する
際に空気圧を強くすることができず、検査結果の信頼性
が低くなる等の問題があった。
【０００４】また、施工面に敷いた加硫ゴムシート上で
加圧ローラを転動させるので、上下のゴムシート間にず
れが生じ、皺の原因となった。なお、重なり部を上下一
対のローラ間に挟む方法も知られているが、一方のロー
ラのみを駆動し、他方のローラを単なる押さえローラと
していたので、上記のずれ発生を防ぐことができなかっ
た。
【０００５】
【発明が解決しようとする課題】この発明は、廃棄物処
分場等の施工現場で加硫ゴムシート同士を接合する際に
接着力の強い接合部が得られ、検査用チャンネルの形成
が容易であり、かつ接合部における上下の加硫ゴムシー
ト間にずれの生じることがなく、皺のない接合部が得ら
れるようにしたものである。
【０００６】
【課題を解決するための手段】この発明に係る加硫ゴム
シートの接合方法は、２枚の加硫ゴムシートを両者の縁
部が上下に重なるように並べて接合する方法において、
一方の加硫ゴムシートの縁部上にあらかじめオレフィン
系樹脂からなる接合用テープを熱融着で固着し、次いで
この接合用テープ上に他方の加硫ゴムシートの縁部を重
ねながら、その重なる直前の対向面を加熱し、しかるの
ち互いに反対向きに等速度で回転する上下一対の圧着ロ
ーラ間に上下２枚の加硫ゴムシートの縁部を挟んでこの
両者を上記接合用テープの融着で接合することを特徴と
する。
【０００７】この発明では、接合されるべき一方の加硫
ゴムシートの縁部上にオレフィン系樹脂からなる接合用
テープが熱融着で固着される。この接合用テープは、施
工現場で現場の状況に応じて加硫ゴムシートを裁断し、
しかるのち接合すべき部分に熱融着することができる。
また、工場で所定の幅と長さに製造した後、その縁部に
沿って熱融着し、施工現場の状況に応じて加硫ゴムシー
トを裁断した後、必要部分のみに接合用テープを熱融着
してもよく、この場合は前者の方法に比べて施工現場で
の手数が減少する。
【０００８】そして、一方の加硫ゴムシートの縁部に固
着された接合用テープ上に他方の加硫ゴムシートの縁部
を重ねて熱融着するが、この場合、重なる直前の接合用
テープおよび他方の加硫ゴムシートの縁部の対向面が加
熱され、しかるのち上下一対の圧着ローラで挟圧されて
上下２枚の加硫ゴムシートが両者間の接合用テープを介
して接合される。加熱手段は、融着可能な温度に加熱で
きるものであればよく、鏝もしくは熱風、特に両者の併
用が好ましい。
【０００９】この発明では、上記の加熱後、２枚の加硫
ゴムシートの縁部を上下一対の圧着ローラで挟圧して融
着する。この場合、上下一対の圧着ローラが互いに反対
向きに等速度で回転するので、２枚の加硫ゴムシート間
にずれが生じることがなく、接合部に皺が発生しない。
しかも、熱融着であるため、接着剤接着に比べて強い接
着力が得られ、使用中の剥離がなく、接合部の信頼性が
向上する。特に、隣接する２枚の加硫ゴムシートの縁部
を２本の平行線に沿って接合し、２本の平行線間に検査
用チャンネルを形成した場合は、この検査用チャンネル
の一端から加圧空気を供給して空気洩れの有無を検査し
ても、接着部に剥離が生じることがなく、接合部の信頼
性を一層向上させることができる。
【００１０】上記の加硫ゴムシートは、オレフィン系樹
脂からなる接合用テープとの接着性および耐候性の点か
らＥＰＭ、特にＥＰＤＭが好ましい。また、接合用テー
プの材料としては、オレフィン系樹脂が使用されるが、
オレフィン系樹脂としては接着が容易な点でポリエチレ
ンおよびポリプロピレンが好ましく、特に低密度ポリエ
チレンが好ましい。なお、上記の接合用テープは、長さ
方向と平行に配列された多数本の繊維または織物、不織
布等で補強し、接合用テープの寸法安定性を高めること
ができる。
【００１１】上記接合用テープの厚みは０．５〜２．５
mmが好ましく、０．５mm未満では薄過ぎて加熱時に溶断
し易く、反対に２．５mm超えると厚過ぎて加熱に長時間
を要して不経済である。また、幅は１０〜１５０mmが好
ましく、１０mm未満では接着力が不十分となり、反対に
１５０mmを超えると必要以上に広くなって不経済であ
る。また、２枚の加硫ゴムシートの縁部を２本の平行線
に沿って接合して検査用チャンネルを形成する場合にお
ける上記平行線の間隔は、検査が可能であれば任意に設
定できるが、経済性の面から２０mm以下が好ましい。ま
た、１本の接合線の線幅は１０mm以上が好ましく、１０
mm未満では接着力が不足する。なお、この場合の接合用
テープ幅は２５mm以上が好ましい。
【００１２】
【発明の実施の形態】
実施形態１ 図１は、熱可塑性合成樹脂シートの接合に使用されてい
る市販の熱風式自動溶接機（ライスター社製「ツイニー
Ｓ」）の要部を示す斜視図であり、１０は水平に支架さ
れた主軸であり、右上の自走式台車（図示されていな
い）に片持ち状に固定された主軸カバー（図示されてい
ない）内に支持され、同じく該台車上に設置されている
駆動用モータ（図示されていない）で駆動されて回転す
る。この主軸１０の先端側に第１スプロケット１１およ
び第１歯車１１Ａが並設され、主軸１０の後方（図の右
下方）に上部圧着ローラ１２が主軸１０と平行に設けら
れ、この上部圧着ローラ１２の左端部に固定された第２
スプロケット１３に上記の第１スプロケット１１が無端
チェーン１４で連結される。
【００１３】上記主軸１０の下方には中間軸１５が主軸
１０と平行に配置され、上記主軸カバーの左端下部に接
続された片持ち状の中間軸カバー（図示されていない）
内に支持され、中間軸１５の左端に固定された第２歯車
１６が主軸１０上の第１歯車１１Ａと噛み合う。そし
て、中間軸１５の右側自由端に第３スプロケット１７が
固定され、上記中間軸カバーの右側自由端から後方に延
びる後向きアーム（図示されていない）の後端に上記の
上部圧着ローラ１２の下面と接する下部圧着ローラ１８
の右端部が片持ち状に支持され、下部圧着ローラ１８の
右端に第４スプロケット１９が固定され、この第４スプ
ロケット１９に上記の第３スプロケット１７が無端チェ
ーン２０で連結され、上部圧着ローラ１２と下部圧着ロ
ーラ１８とが互いに反対向きに等しい周速度で回転す
る。
【００１４】上記の上部圧着ローラ１２および下部圧着
ローラ１８のニップ部と中間軸１５との間に箱形の鏝２
１が挿入される。この鏝２１は、図１の左上を前方とし
たとき、左側面に熱風供給口２１ａを、また後面に後部
吹出し口２１ｂを、また前面（図２参照）に前部吹出し
口２１ｃをそれぞれ有し、かつ前部吹出し口２１ｃに対
向する制御板２１ｄを備え、熱風供給ダクト２２から熱
風供給口２１ａに吹き込んだ熱風が鏝２１の全面を加熱
し、前部吹出し口２１ｃから上下に別れて吹き出し、か
つ後部吹出し口２１ｂから後向きに吹き出すようになっ
ている。そして、鏝２１の上面に１個または複数個の上
面押さえローラ２３が、また下面に１個または複数個の
下面押さえローラ２４がそれぞれ設けられる。なお、上
記の下面押さえローラ２４は、上記の中間軸１５および
下部圧着ローラ１８の軸を接続する後向きアーム（図示
されていない）に片持ち状に支持される。
【００１５】図１、図２において、１Ａは接合に供され
る一方の加硫ゴムシート、１Ｂは他方の加硫ゴムシー
ト、２は一方の加硫ゴムシート１Ａの縁部にあらかじめ
融着された接合用テープである。一方の加硫ゴムシート
１Ａおよび他方の加硫ゴムシート１Ｂが両者の縁部で後
者を上にして重ねるように施工面上に並べられ、他方の
加硫ゴムシート１Ｂの縁部よりも幅方向内側に前記熱風
式自動溶接機の自走式台車が置かれ、下部圧着ローラ１
８および下面押さえローラ２４のローラ列と鏝２１およ
び中間軸１５の列との間に一方の加硫ゴムシート１Ａの
縁部が接合用テープ２と共に挿入される。そして、上記
主軸１０、上面押さえローラ２３、上部圧着ローラ１２
の列と鏝２１との間に他方の加硫ゴムシート１Ｂの縁部
が挿入される。ただし、主軸１０、上面押さえローラ２
３、上部圧着ローラ１２の列を昇降自在に形成し、その
上昇位置で鏝２１上に他方の加硫ゴムシート１Ｂの縁部
を乗せ、しかるのち主軸１０、上面押さえローラ２３、
上部圧着ローラ１２の列を下降させてもよい。
【００１６】上記のように加硫ゴムシート１Ａ、１Ｂを
セットした後、熱風式自動溶接機を駆動すると、自走式
台車が矢印Ｐ方向に走行を始め（図２参照）、上部圧着
ローラ１２が反時計方向に、下部圧着ローラ１８が時計
方向にそれぞれ回転し、箱形の鏝２１が上下の加硫ゴム
シート１Ａ、１Ｂ間を矢印Ｐ方向に前進し、鏝２１の後
の上下一対の圧着ローラ１２、１８が上記の加硫ゴムシ
ート１Ａ、１Ｂを挟んで転動する。同時に熱風が上記の
鏝２１に供給され、鏝２１を加熱しながら前部吹出し口
２１ｃから上下に吹き出して加硫ゴムシート１Ａ、１Ｂ
の対向面を加熱し、続いて鏝２１の下面板が一方の加硫
ゴムシート１Ａを、また鏝２１の上面板が他方の加硫ゴ
ムシート１Ｂをそれぞれ加熱し、更に鏝２１の後部吹出
し口２１ｂから吹き出す熱風が鏝２１を離れた直後の加
硫ゴムシート１Ａ、１Ｂの接触開始部内面を加熱して一
方の加硫ゴムシート１Ａ上の接合用テープ２（図１参
照）の表面を溶融し、この溶融状態で加硫ゴムシート１
Ａ、１Ｂを上下一対の圧着ローラ１２、１８が挟んで接
合する。
【００１７】ＥＰＤＭからなる加硫ゴムシート１Ａ、１
Ｂを所定の幅に製造し、所定の長さに切断し、その片側
の縁部に沿って低密度ポリエチレンからなる接合用テー
プ２（厚さ０．５〜２．５mm、幅１０〜１５０mm）を常
法により加熱下で圧着して融着し、これを施工現場に運
んで配列する。ただし、図１に示すように、一方の加硫
ゴムシート１Ａ上の接合用テープ２の上に他方の加硫ゴ
ムシート１Ｂの上記接合用テープ２が貼られてない側を
重ねる。次いで、図１、２に示す熱風式自動溶接機をセ
ットし、この熱風式自動溶接機を０．５〜３ｍ／分の速
度で走行させながら、その鏝２１に温度１５０〜５００
℃の熱風を供給し、上下一対の圧着ローラ１２、１８間
の圧力１００〜１２００Ｎ／cm2 で上記の加硫ゴムシー
ト１Ａ、１Ｂを接合する。
【００１８】平行に並べられた多数枚の加硫ゴムシート
１Ａ、１Ｂを側縁部で接合したのち、長さ方向の両端部
または任意の裁断端部のように接合用テープ２の未貼着
縁部で接合する必要が生じた場合は、上記の熱風式自動
溶接機を用いて、例えば一方の加硫ゴムシート１Ａにお
ける接合用テープ２の未貼着縁部に接合用テープ２を貼
着することができる。図３（ａ）において、一方の加硫
ゴムシート１Ａは前記鏝２１の下面から、また接合用テ
ープ２は鏝２１の上面からそれぞれ圧着ローラ１２、１
８のニップ部に導かれ、この圧着ローラ１２、１８の挟
圧により接着される。次いで、図１、２の熱風式自動溶
接機を用いることにより、一方の加硫ゴムシート１Ａの
上の接合用テープ２および他方の加硫ゴムシート１Ｂが
鏝２１で加熱された後、図３（ｂ）に示すように圧着ロ
ーラ１２、１８の挟圧により接合される。
【００１９】実施形態２ 加硫ゴムシート１Ａ、１Ｂの接合部に検査用チャンネル
を形成するため、図１、２の箱形の鏝２１および圧着ロ
ーラ１２、１８に代えて図４の鏝２１Ａおよび圧着ロー
ラ１２Ａ、１８Ａを用いる。すなわち、鏝２１Ａの上下
両面の幅方向中央部に谷形凹部２１ｅが、後面に左右２
個の後部吹出し口２１ｂが、また前面には左右２個の後
部吹出し口２１ｃ（図示されていない）がそれぞれ形成
される。また、圧着ローラ１２Ａ、１８Ａは、狭い幅に
作られたもの２個を左右に隔ててローラ軸１２Ｂ、１８
Ｂ上に固定される。
【００２０】図５（ａ）に示すように、ＥＰＤＭからな
る加硫ゴムシート１Ａの片側縁部に低密度ポリエチレン
からなる２本の接合用テープ２（厚さ０．５〜２．５m
m、幅１０〜１５０mm）を、両者間に５〜２０mmの間隔
Ｄを空けて常法により加熱下で圧着して融着し、これを
施工現場に運んで配列する。そして、施工現場におい
て、図４の鏝２１Ａおよび圧着ローラ１２Ａ、１８Ａを
備えた熱風式自動溶接機を用い、その他は実施形態１と
同様にし、一方の加硫ゴムシート１Ａの縁部に上記２本
の接合用テープ２を介して他方の加硫ゴムシート１Ｂを
接合する。図５（ｂ）は、その接合状態を示し、左右２
本の接合用テープ２間に検査用チャンネル３が形成され
る。なお、必要に応じ、上記施工現場において一方の加
硫ゴムシート１Ａ上に上記２本の接合用テープ２を、上
記の熱風式自動溶接機で固着することができる。
【００２１】実施形態３ 実施形態１に比して広幅の接合用テープ２（厚さ０．５
〜２．５mm、幅２５〜１５０mm）の両側縁部を一方の加
硫ゴムシート１Ａに固着し、両側縁部の間に非接着部を
形成する。ただし、非接着部の幅は、好ましくは５〜２
０mmに設定される。次いで、実施形態２の熱風式自動溶
接機を用いて加硫ゴムシート１Ａ、１Ｂを上記の接合用
テープ２で接合する。この場合は、図６に示すように、
接合用テープ２の両側縁部は、上下両面とも加硫ゴムシ
ート１Ａ、１Ｂに融着され、中間部は上下両面とも加硫
ゴムシート１Ａ、１Ｂから遊離して、接合用テープ２の
中間部両側に検査用チャンネル４が形成され、両側の検
査が可能になる。
【００２２】なお、上記施工現場において、必要に応
じ、一方の加硫ゴムシート１Ａに対する接合用テープ２
の接着および加硫ゴムシート１Ａ、１Ｂの接合の双方を
実施形態２の熱風式自動溶接機で行うことができる。
【００２３】実施形態４ 実施形態３の接合用テープ２の中心線に沿ってあらかじ
め円形、方形等の任意形状の多数の孔を開け、この接合
用テープ２を一方の加硫ゴムシート１Ａに前記同様に接
着し、次いで他方の加硫ゴムシート１Ｂと接合すること
ができる。図７に示す接合用テープ２Ａは、方形の孔２
ｃを多数個、１列に設けた梯子形のものであり、この接
合用テープ２Ａの両側縁部が一方の加硫ゴムシート１Ａ
の縁部に沿って固着され、しかるのち実施形態２の熱風
式自動溶接機を用いて他方の加硫ゴムシート１Ｂが接合
される。したがって、接合部２ｄが孔２ｃの両側に平行
線状に形成され、この２本の接合部２ｄ間に検査用チャ
ンネルが形成される。この場合は、２本の接合用テープ
を用いる実施形態２に比べて取扱いが容易であり、また
接合用テープ２Ａの上下の検査用チャンネルが孔２ｃの
部分で連絡されるので、１本の接合用テープをそのまま
用いる実施形態３に比べて検査が１回で済み、検査作業
が容易となる。
【００２４】
【発明の効果】この発明によれば、廃棄物処分場等の施
工現場で加硫ゴムシート同士を接合して敷設することが
でき、その際に接着力の強い接合部が得られ、検査用チ
ャンネルの形成が容易であり、かつ接合部における上下
の加硫ゴムシート間にずれの生じることがなく、皺のな
い接合部が得られる。特に請求項２に記載の発明によれ
ば、検査用チャンネルが形成され、また請求項３記載の
発明によれば、接合が一層容易になり、施工後の耐候性
が向上する。
【図面の簡単な説明】
【図１】実施形態１に用いる熱風式自動溶接機の要部の
斜視図である。
【図２】接合時における図１の要部の側面図である。
【図３】実施形態１の接合方法を説明する横断面図であ
る。
【図４】実施形態２に用いる熱風式自動溶接機の要部の
斜視図である。
【図５】実施形態２の接合方法を説明する横断面図であ
る。
【図６】実施形態３の接合方法を説明する横断面図であ
る。
【図７】実施形態４の接合方法を説明する斜視図であ
る。
【符号の説明】
１Ａ、１Ｂ：加硫ゴムシート ２、２Ａ：接合用テープ ２ｃ：孔 ２ｄ：接合部 ３：検査用チャンネル ４：非接着部（検査用チャンネル） １０：熱風式自動溶接機の主軸 １２、１２Ａ、１８、１８Ａ：圧着ローラ １４、２０：無端チェーン １５：中間軸 ２１、２１Ａ：鏝 ２１ａ：熱風供給口 ２１ｂ：後部吹出し口 ２１ｃ：前部吹出し口 ２１ｄ：制御板 ２１ｅ：谷形凹部 ２２：熱風供給ダクト ２３：上面押さえローラ ２４：下面押さえローラ

Claims (3)

    【特許請求の範囲】
  1. 【請求項１】 ２枚の加硫ゴムシートを両者の縁部が上
    下に重なるように並べて接合する方法において、一方の
    加硫ゴムシートの縁部上にあらかじめオレフィン系樹脂
    からなる接合用テープを熱融着で固着し、次いでこの接
    合用テープ上に他方の加硫ゴムシートの縁部を重ねなが
    ら、その重なる直前の対向面を加熱し、しかるのち互い
    に反対向きに等速度で回転する上下一対の圧着ローラ間
    に上下２枚の加硫ゴムシートの縁部を挟んでこの両者を
    上記接合用テープの融着で接合することを特徴とする加
    硫ゴムシートの接合方法。
  2. 【請求項２】 ２枚の加硫ゴムシートの縁部を２本の平
    行線に沿って接合し、２本の平行線間に検査用チャンネ
    ルを形成する請求項１に記載された加硫ゴムシートの接
    合方法。
  3. 【請求項３】 加硫ゴムシートがＥＰＤＭであり、オレ
    フィン系樹脂が低密度ポリエチレンである請求項１また
    は２に記載された加硫ゴムシートの接合方法。
JP9303640A 1997-10-17 1997-10-17 加硫ゴムシートの接合方法 Pending JPH11115054A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9303640A JPH11115054A (ja) 1997-10-17 1997-10-17 加硫ゴムシートの接合方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9303640A JPH11115054A (ja) 1997-10-17 1997-10-17 加硫ゴムシートの接合方法

Publications (1)

Publication Number Publication Date
JPH11115054A true JPH11115054A (ja) 1999-04-27

Family

ID=17923439

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9303640A Pending JPH11115054A (ja) 1997-10-17 1997-10-17 加硫ゴムシートの接合方法

Country Status (1)

Country Link
JP (1) JPH11115054A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965517B2 (en) 2007-02-06 2011-06-21 Fujifilm Corporation Conducting assembly for tapping screw and electronic device
EP4008527A1 (de) * 2020-12-07 2022-06-08 Herz Austria Gesellschaft m.b.H Schweissvorrichtung
CN116215050A (zh) * 2023-04-11 2023-06-06 赛诺（浙江）聚氨酯新材料有限公司 一种海绵处理装置及其方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965517B2 (en) 2007-02-06 2011-06-21 Fujifilm Corporation Conducting assembly for tapping screw and electronic device
EP4008527A1 (de) * 2020-12-07 2022-06-08 Herz Austria Gesellschaft m.b.H Schweissvorrichtung
CN116215050A (zh) * 2023-04-11 2023-06-06 赛诺（浙江）聚氨酯新材料有限公司 一种海绵处理装置及其方法
CN116215050B (zh) * 2023-04-11 2024-05-24 赛诺（浙江）聚氨酯新材料有限公司 一种海绵处理装置及其方法

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