SE7513730L - WAY TO MOUNT A RING-shaped ELEMENT ON THE INSIDE OF A RUB - Google Patents

WAY TO MOUNT A RING-shaped ELEMENT ON THE INSIDE OF A RUB

Info

Publication number
SE7513730L
SE7513730L SE7513730A SE7513730A SE7513730L SE 7513730 L SE7513730 L SE 7513730L SE 7513730 A SE7513730 A SE 7513730A SE 7513730 A SE7513730 A SE 7513730A SE 7513730 L SE7513730 L SE 7513730L
Authority
SE
Sweden
Prior art keywords
pipe
ring element
ring
impart
clamping
Prior art date
Application number
SE7513730A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE418941B (en
Inventor
M Sakaguchi
M Shibata
I Yamamoto
Original Assignee
Kubota 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 Kubota Ltd filed Critical Kubota Ltd
Publication of SE7513730L publication Critical patent/SE7513730L/en
Publication of SE418941B publication Critical patent/SE418941B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
    • F16L47/10—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket the sealing rings being maintained in place by additional means
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • B29C57/025—Belling or enlarging, e.g. combined with forming a groove combined with the introduction of a sealing ring, e.g. using the sealing element as forming element

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

A method and an apparatus for fixing a ring element to the inner wall of a thermoplastic pipe are disclosed. The invention involves the clamping of the ring element on a cylindrical support member and the combined straightening and radial expansion of the ring element into contact with the inner wall. Previously, or simultaneously, the pipe is radially expanded stepwise to its final diameter, the apparatus including suitable mold portions which can impart the desired shape to the pipe end. One part of the mold portion can include radially expandable blockade means which can impart a portion of the desired shape to the pipe end and which can also be instrumental in the clamping and expansion of the ring element. Use of the invention results in a strengthened pipe end which is sized to mate with the end of a next length of pipe and which has a built-in means for mounting packing or other sealing elements.
SE7513730A 1974-12-07 1975-12-05 SET AND APPARATUS FOR MOUNTING A RING ELEMENT ON THE INNER WALL OF A CYLINDRICAL THERMOPLASTROR SE418941B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49140811A JPS5167516A (en) 1974-12-07 1974-12-07 Kantsugiteno seiho

Publications (2)

Publication Number Publication Date
SE7513730L true SE7513730L (en) 1976-06-08
SE418941B SE418941B (en) 1981-07-06

Family

ID=15277279

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7513730A SE418941B (en) 1974-12-07 1975-12-05 SET AND APPARATUS FOR MOUNTING A RING ELEMENT ON THE INNER WALL OF A CYLINDRICAL THERMOPLASTROR

Country Status (10)

Country Link
JP (1) JPS5167516A (en)
AT (1) AT347190B (en)
BR (1) BR7508085A (en)
CA (1) CA1043992A (en)
CH (1) CH603334A5 (en)
DK (1) DK553575A (en)
ES (1) ES443295A1 (en)
IT (1) IT1052535B (en)
NO (1) NO144102C (en)
SE (1) SE418941B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1133374B (en) * 1980-11-14 1986-07-09 Sica Spa MECHANICAL EXPANSION BUFFER FOR THE INTERNAL CALIBRATION OF PLASTIC TUBES IN GENERAL, IN PARTICULAR FOR THE REALIZATION OF SEATS FOR GASKETS

Also Published As

Publication number Publication date
JPS5425554B2 (en) 1979-08-29
NO144102C (en) 1981-06-24
AT347190B (en) 1978-12-11
JPS5167516A (en) 1976-06-11
CH603334A5 (en) 1978-08-15
DK553575A (en) 1976-06-08
CA1043992A (en) 1978-12-12
SE418941B (en) 1981-07-06
NO754102L (en) 1976-06-09
IT1052535B (en) 1981-07-20
ES443295A1 (en) 1977-08-16
BR7508085A (en) 1976-08-24
ATA935475A (en) 1978-04-15
NO144102B (en) 1981-03-16

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