WO2012008933A1 - (polypropylene) plastic pipe welding machine with special safety ring and a welding adaptor with special safety ring - Google Patents

(polypropylene) plastic pipe welding machine with special safety ring and a welding adaptor with special safety ring Download PDF

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Publication number
WO2012008933A1
WO2012008933A1 PCT/TR2010/000254 TR2010000254W WO2012008933A1 WO 2012008933 A1 WO2012008933 A1 WO 2012008933A1 TR 2010000254 W TR2010000254 W TR 2010000254W WO 2012008933 A1 WO2012008933 A1 WO 2012008933A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
welding
safety ring
plastic
adaptor
Prior art date
Application number
PCT/TR2010/000254
Other languages
English (en)
French (fr)
Inventor
Samet Samedi
Original Assignee
Novaplast Plastik Sanayi Ve Ticaret A.S
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 Novaplast Plastik Sanayi Ve Ticaret A.S filed Critical Novaplast Plastik Sanayi Ve Ticaret A.S
Priority to RU2012106459/05A priority Critical patent/RU2548080C2/ru
Publication of WO2012008933A1 publication Critical patent/WO2012008933A1/en

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
    • B29C65/02—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
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • 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
    • 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
    • B29C65/48—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
    • B29C65/72—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
    • 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
    • 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
    • B29C66/114—Single butt 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
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1282—Stepped joint cross-sections comprising at least one overlap joint-segment
    • 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
    • B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
    • B29C66/128—Stepped joint cross-sections
    • B29C66/1284—Stepped joint cross-sections comprising at least one butt joint-segment
    • B29C66/12841—Stepped joint cross-sections comprising at least one butt joint-segment comprising at least two butt joint-segments
    • 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
    • B29C66/305—Decorative or coloured 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/324—Avoiding burr formation
    • B29C66/3242—Avoiding burr formation on the inside of a tubular or hollow article
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5344—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially annular, i.e. of finite length, e.g. joining flanges to tube ends
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53465—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat said single flat elements being provided with holes facing the tube ends, e.g. for making heat-exchangers
    • 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
    • B29C66/72—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
    • B29C66/723—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 being multi-layered
    • B29C66/7232—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 being multi-layered comprising a non-plastics layer
    • B29C66/72321—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 being multi-layered comprising a non-plastics layer consisting of metals or their alloys
    • 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
    • B29C66/723—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 being multi-layered
    • B29C66/7234—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 being multi-layered comprising a barrier layer
    • 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
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—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 mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8167—Quick change joining tools or surfaces
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0081—Shaping techniques involving a cutting or machining operation before shaping
    • 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"
    • B29C65/2092—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" and involving the use of a facer
    • 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
    • B29C65/5021—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 multi-layered
    • 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
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241—Cutting, e.g. by using waterjets, or sawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/10—Polymers of propylene
    • B29K2023/12—PP, i.e. polypropylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B29K2305/02—Aluminium
    • 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
    • B29L2009/00—Layered products
    • B29L2009/003—Layered products comprising a metal layer

Definitions

  • the invention is about improvements in the safety ring and the welding apparatus used - during the joining/welding of multi-layered pipes with fittings - in the joining/welding of multi-layered, pressure- and corrosion-resistant plastic pipes that have minimized oxygen permeability and thermal expansion, with inner and outer layer made of plastic material and the middle layer made of aluminum foil, with fittings without any additional processes such as shaving etc., in order to prevent the fluid, which is transferred through the pipe, entering between the plastic and aluminum layers.
  • Safety ring This part is one of the major elements of our invention, that is fitted on the end of the pipe, enabling joining/welding without any additional processes on the aluminum foil layer of the multi-layered pipe, such as shaving, grooving, cavitation, etc.
  • the safety ring is melted with the pipe during the heating of the pipe and fitting, covers the surfaces of the pipe and the aluminum layers as a barrier, thus preventing the fluid transferred through the pipe entering between the aluminum and plastic layers.
  • the ring holders can be manufactured in various geometric shapes and sizes for various pipe diameters, in order to facilitate easy installation of the safety ring onto the pipe.
  • Joining/welding apparatus This apparatus is one of the major elements of our invention, with various features enabling fluid-proof isolation of the layers of the joining/bonding surface of the pipe and the fitting, without any additional processes on the aluminum foil layer of the pipe, such as trimming, grooving, cavitation, etc., utilizing the safety ring fitted on the face of the pipe.
  • thermoplastic pipes and fittings are joined/welded by melting.
  • plastic welding methods based on methods used for melting, in all methods used, certain layers of the plastic are melted by applying heat and these melted parts are joined by pressing onto each other (pressure effect).
  • Welding adaptors used in the market consist of a male and a female part that are used to melt the pipe and the fitting by heating, as well as a bolt and nut enabling these parts to be concentrically fitted on the body of the welding machine.
  • the heater present on the welding machine heats the welding adaptors.
  • One end (female) heats the part of the pipe to be inserted into the fitting, while the other end (male) heats the part of the fitting that the pipe will be inserted.
  • the pipe and the fitting, of which certain layers melt with the heat are subsequently pressed onto each other and welded.
  • the first type consists of a plastic (polypropylene) inner layer through which the fluid flows, and then perforated or non-perforated foil sandwiched between two adhesive layers, and a thin, protective outer layer of plastic (polypropylene), covering the foil.
  • the second type of pipe also features inner and outer layers of plastic raw material (usually polypropylene), but has the perforated or non-perforated aluminum layer located as a mid- layer closer to the center point between the inner and outer plastic layers, rather than being closer to the outer layer.
  • plastic raw material usually polypropylene
  • the aluminum sheet/layer near the outer surface has to be removed using a sharpening/shaving apparatus.
  • This operation using the current technique, is realized using a single-knife apparatus that shaves the foil with reference to the outer diameter of the pipe.
  • the part of the pipe to be shaved is inserted into the shaver, and then the shaver is rotated clockwise for the shaving operation to take place.
  • a new system has been developed to remove the foil which is located near the outer layer of the pipe.
  • the shaving apparatus described in the patent Nr.2003/01701 shaves the pipe both on the outer surface and on the face.
  • the mentioned shaving apparatus both aims to remove cutting 5 mistakes by shaving the pipe-end, and reduce the pipe to the welding diameter suitable for the existing heating adaptors.
  • Shaving by hand requires excessive amount of force and concentration, therefore takes a lot of time, and increases time and labor loss.
  • the Utility Model Certificate Application Nr. TR 2005 05212 Y describes an automated foil shaving apparatus. Foil on the outer surface of the pipe mounted on the motor shaft is 20 shaved by the knife which is mounted above the motor shaft. As this is a complicated device, the labor costs increase. Moreover, since only the inner diameter is taken as reference, the system does not work effectively and the foil would not be shaved as intended, due to the dislocation of the pipe during shaving.
  • Shaving of the foiled pipes is done by an apparatus mounted on a drill, with the pipe mounted on the inner surface of the apparatus, and the apparatus rotates when the drill is operated, shaving the plastic on the outer surface of the pipe and the foil near the surface, and dispose of the shavings through the shaving outlet. Negative effects may be caused during application since there is no locking mechanism for the locking of the foiled pipe on the folio apparatus, and since only the inner diameter is taken as reference.
  • the patent Nr. 2007/00190 resolves this issue by taking both inner and outer diameters of the pipe - from which foil will be removed - as reference, and using a shaving apparatus that prevents the dislocation of the pipe during shaving, thereby increasing effectiveness of the shaving operation.
  • the aluminum layer was proposed to be located between the inner and outer layers in order to eliminate the shaving operation on the outer surface of the pipe, and the manufacturing was done accordingly.
  • the outer layer is thicker compared to that of the first type, and also the aluminum layer is of more distance to the outer surface.
  • the shaving of the aluminum foil layer has been featured by stating as "in multi-layered composite pipes, during the joining/welding of the composite pipe with fittings preferably by welding, with the help of a filling conduit in the form of a canal, that enables the shaving of the aluminum sheeting surface seen on the pipe-end and left recessed within the plastic, and the covering of the shaved volume by filling with plastic material, fixing into the fitting is achieved without shaving the aluminum layer together with the inner pipe".
  • Welding adaptors with a ventilation hole on the female part, as well as a holder that directs the melted plastic into the conduit during the welding operation, may also be used as an alternative to the existing welding adaptors described in detail in the patent Nr. 2005/01801.
  • plastic material may be enable to fill the shaved conduit during welding and as a result of this, failures may be faces such as entering of fluid between the layers. It was also observed that fluid entering between the layers have resulted in bubbles that cause the pipe to burst.
  • Shaving is done by manual pressing and rotating force applied by the installer after the shaving apparatus is fitted on the pipe end. It has been observed by the pipe bursts that due to the fact that this operation is labor-, time- and power-consuming for the installer required shaving quality is not/cannot be achieved.
  • Safety ring In the joining/ welding process of the installation products which are known as "multi-layered pipes" with fittings, it provides a problem-free joining of the multi-layered pipe and the fitting, by utilizing the developed welding apparatus, that is fitted on the pipe, .
  • Joining/Welding apparatus Improvements have been realized on the welding apparatus used for the joining/welding of the products which are known as multi-layered pipes and fittings.
  • a welding apparatus has been developed to enable the joining/ welding of the pipe and the fitting via a safety ring fitted on the pipe, as well as enabling the user to easily separate them from the welding adaptor to prepare the environment for welding.
  • the installer only fits the safety ring on the pipe end and completes the operation using the welding apparatus subject to this invention.
  • the safety ring which is produced from the same raw material with the pipe or a different material that is suitable for being welded with the pipe and which can be produced at different colours according to the needs and at different diameters suitable for the pipe, is produced in the injection machine or in additional process machines. During the welding operation, the safety ring functions as a sealing barrier that completely covers the sectional surface of the pipe that may come into contact with the fluid.
  • Safety ring claws The safety ring is fitted to the end of the flat-cut pipe ( Figure - 14) using the safety ring claws/holders, which may be of one or multiple geometric shapes and/or sizes, and prepared for the welding operation.
  • Welding operation is realized by using the special welding apparatus and welding adaptors subject to invention .
  • Heating rod with heating plate ( Figure - 8) (1):
  • Pre-heating plate The safety ring, fitted on the pipe with its claws, undergoes a preheating process by bringing into contact with the pre-heating plate ( Figure - 8) (14) before it is inserted into the female welding adaptor with the pipe, as a preparation for welding, to provide bonding to the cross section surface of the pipe.
  • Heating rod tip is designed conically (Figure - 8) (13). This conicity melts a certain amount of material at the tip of the inner layer of the pipe and causes an accumulation of material towards the aluminum foil. As the safety ring also melts by contacting the pre-heating plate ( Figure - 8) (14) and the conic tip of the heating rod ( Figure - 8) (13), it enters the fading space (pipe inner layer) and bonding is achieved.
  • melted material will be homogenously distributed from the melt accumulation and distribution space (bevel) in the female welding adaptor onto the pipe surface by means of bevels; and therefore will prevent significant level of narrowing of the inner diameter of the pipe, and eliminate non-homogenous accumulation of melted material on the outside of the pipe as well as fluid leaks.
  • FIG. 3 Front view of the male welding adaptor
  • FIG. 6 Front section view of the safety ring
  • FIG. 7 Front view of the safety ring
  • FIG. 10 Front view of resistance plate of welding machine
  • FIG. 13 Front view of dismantled welding machine
  • the heating rod (1) is first passed through female welding adaptor (2) and then resistance plate of the welding machine (8), and then through steel spring (6) and male welding adaptor (3), respectively. All these parts are fixed to the heating rod (1) by way of passing the fixing bolt of the heating rod (5) through fixing bolt hole of the heating rod (16) inside the male welding adaptor.
  • Female welding adaptor (2) and male welding adaptor (3) are fixed to the resistance plate (8) with fitting screw of the heating system (4), by passing through centering rabbet of female and male welding adaptor (18) on the resistance plate.
  • Heating and welding operations are initiated by fixing the safety ring (7) to the pipe (10) end during joining/welding.
  • Pre-heating process is ensured by bringing the safety ring (7), fitted on the pipe (10) with its tabs (12) ( Figure-14) into contact with the pre-heating plate (14) on the heating rod (1) before it is inserted into the female welding adaptor (2) with the pipe (10) as a preparation for welding operation; thus, bonding of the safety ring (7) to the pipe section surface (17) is ensured.
  • Female welding adaptor (2) is specially designed for the safety ring (7) to be positioned.
  • Female welding adaptor (2) is sized to be fitted to the pipe (10), and the male welding adaptor (3) is sized to be fitted to the fitting (9).
  • melt accumulation and distribution space (bevel) (11) was created by providing a specific angle inwards. It ensures that the safety ring (7) whose melt accumulation and distribution space (bevel) (11) diameter is greater than the pipe (10) diameter to grasp the outer surface of the pipe (10) end, by means of heat, i.e.
  • the safety ring (7) makes the initial grasp to the outer surface of the pipe (10).
  • the safety ring (7) bonds to the outer surface of the pipe (10) by heating and melting inside the female welding adaptor (2).
  • the difference of the male welding adaptor (3) from the available welding adaptors is that it has a hole (16) in inner section where the fixing bolt of the heating rod (5) can be inserted.
  • This fixing bolt of the heating rod (5) and the heating rod itself (1) are fastened to the male welding adaptor (3) with steel spring (6), resistance plate of the welding machine (8) and the female welding adaptor (2) which they pass through.
  • the safety ring (7) bonded to the pipe section surface (17) ( Figure - 14) is fixed to the female welding adaptor (2), and the fitting (9) is fixed to the male welding adaptor (3) for the continued welding operation.
  • the user pushes the pipe in his/her hand (10) by means of steel spring (6) until it sits into the female welding adaptor (2) (FIGURE- 15) and the fitting (9) on his/her other hand sits into the male welding adaptor (3). Meanwhile, resistance (8) and heating rod (1) has a temperature to melt the pipe (10) and fitting (9).
  • the safety ring (7) and the melted plastic material may scatter (as in the previous systems) when the user pulls the fitting (9) and the pipe (10) with the safety ring (7).
  • the desired homogeneous bonding may not be achieved.
  • our invention features a steel spring (6) on the heating rod (1), that provides support during the extraction of the fitting (9) and the pipe (10) with the safety ring (7) from the welding adaptors on the welding machine appropriately in the opposite direction.
  • the propelling function of the steel spring (6) simultaneously presses the melted safety ring (7) onto the pipe (10), preventing it from separation, and ensures effective bonding.
  • the joining/welding operation is completed by the user by joining the fitting (9) separated from the male welding adaptor (3) and the pipe (10) separated from the female welding adaptor (2).
  • the propelling function of the steel spring (6) also eases the extraction of the pipe (10) and the safety ring (7), melted in the welding machine, from the inside of the welding adaptors for welding with the fitting (9).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
PCT/TR2010/000254 2010-07-15 2010-12-23 (polypropylene) plastic pipe welding machine with special safety ring and a welding adaptor with special safety ring WO2012008933A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2012106459/05A RU2548080C2 (ru) 2010-07-15 2010-12-23 Сварочная машина для пластиковых (полипропиленовых) труб со специальным кольцом безопасности и сварочный адаптер со специальным кольцом безопасности

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2010/05811 2010-07-15
TR201005811A TR201005811A1 (tr) 2010-07-15 2010-07-15 Özel güvenlik halkası ve özel güvenlik halkalı kaynak paftası içeren (polipropilen) plastik boru kaynak makinası.

Publications (1)

Publication Number Publication Date
WO2012008933A1 true WO2012008933A1 (en) 2012-01-19

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PCT/TR2010/000254 WO2012008933A1 (en) 2010-07-15 2010-12-23 (polypropylene) plastic pipe welding machine with special safety ring and a welding adaptor with special safety ring

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RU (1) RU2548080C2 (ru)
TR (1) TR201005811A1 (ru)
WO (1) WO2012008933A1 (ru)

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CN107268828A (zh) * 2017-07-19 2017-10-20 乔晶晶 一种装配式建筑墙体

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TR201807412A2 (tr) * 2018-05-24 2018-06-21 Kaban Makina Sanayi Ve Ticaret Ltd Sirketi Temi̇zleme üni̇tesi̇ne sahi̇p bi̇r kaynak maki̇nasi

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JP2003080601A (ja) * 2001-09-12 2003-03-19 Sekisui Chem Co Ltd 複合高圧管の接続方法
WO2005001801A2 (en) 2003-06-06 2005-01-06 Clairvoyante, Inc. Dot inversion with drivers and backplane on display panel layouts
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CN107268828A (zh) * 2017-07-19 2017-10-20 乔晶晶 一种装配式建筑墙体
CN107268828B (zh) * 2017-07-19 2023-08-15 贵州富乐森装配式建筑工业有限公司 一种装配式建筑墙体

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TR201005811A1 (tr) 2012-02-21
RU2548080C2 (ru) 2015-04-10

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