JPS553908A - Method and apparatus for forming synthetic resin branch pipe lead-out joint - Google Patents

Method and apparatus for forming synthetic resin branch pipe lead-out joint

Info

Publication number
JPS553908A
JPS553908A JP7539378A JP7539378A JPS553908A JP S553908 A JPS553908 A JP S553908A JP 7539378 A JP7539378 A JP 7539378A JP 7539378 A JP7539378 A JP 7539378A JP S553908 A JPS553908 A JP S553908A
Authority
JP
Japan
Prior art keywords
bag
hole
branch pipe
molds
compressed air
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
JP7539378A
Other languages
Japanese (ja)
Inventor
Michiyoshi Terauchi
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.)
CI Kasei Co Ltd
Original Assignee
CI Kasei 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 CI Kasei Co Ltd filed Critical CI Kasei Co Ltd
Priority to JP7539378A priority Critical patent/JPS553908A/en
Publication of JPS553908A publication Critical patent/JPS553908A/en
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
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
    • 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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5224—Joining tubular articles for forming fork-shaped connections, e.g. for making Y-shaped pieces
    • 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
    • B29C66/52—Joining tubular articles, bars or profiled elements
    • B29C66/522—Joining tubular articles
    • B29C66/5229—Joining tubular articles involving the use of a socket
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

PURPOSE:To provide an above-titled joint of high quality by inserting a heated thermoplastic resin pipe or plate between a female mold formed with a circular hole corresponding to a branch pipe and a male mold fitted with an elastic expansion bag in a circular cavity, tightening the molds, and injecting compressed air into the bag to expand it. CONSTITUTION:A female mold 3 is formed with a slanted circular hole 5 corresponding to a branch pipe 2, with the opening edge cut away to form an annular slanted surface 6. A male mold 4 is formed with a circular cavity 7 which has a diameter slightly smaller than that of the hole 5 and will come in register with the hole 5 on the joining of the molds. The mouth of a rubber balloon-like elastic expansion bag 9 made of synthetic rubber is fixed by a fixer metal 8 fitted at the bottom of the cavity 7, in such a manner that compressed air is fed into or discharged form the bag 9 through the center hole 10 of the metal 8 and a pipe 11. A heated thermoplastic resin pipe or plate 12 is inserted between the molds 3 and 4, the molds are tightened, and compressed air is injected into the bag 9 to expand the bag 9 into the hole 5 to form the branch pipe 2.
JP7539378A 1978-06-23 1978-06-23 Method and apparatus for forming synthetic resin branch pipe lead-out joint Pending JPS553908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7539378A JPS553908A (en) 1978-06-23 1978-06-23 Method and apparatus for forming synthetic resin branch pipe lead-out joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7539378A JPS553908A (en) 1978-06-23 1978-06-23 Method and apparatus for forming synthetic resin branch pipe lead-out joint

Publications (1)

Publication Number Publication Date
JPS553908A true JPS553908A (en) 1980-01-12

Family

ID=13574892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7539378A Pending JPS553908A (en) 1978-06-23 1978-06-23 Method and apparatus for forming synthetic resin branch pipe lead-out joint

Country Status (1)

Country Link
JP (1) JPS553908A (en)

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