NL7408627A - Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould - Google Patents

Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould

Info

Publication number
NL7408627A
NL7408627A NL7408627A NL7408627A NL7408627A NL 7408627 A NL7408627 A NL 7408627A NL 7408627 A NL7408627 A NL 7408627A NL 7408627 A NL7408627 A NL 7408627A NL 7408627 A NL7408627 A NL 7408627A
Authority
NL
Netherlands
Prior art keywords
tube part
cylindrical end
tube
mould
injection moulding
Prior art date
Application number
NL7408627A
Other languages
Dutch (nl)
Original Assignee
Wavin Bv
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 Wavin Bv filed Critical Wavin Bv
Priority to NL7408627A priority Critical patent/NL7408627A/en
Publication of NL7408627A publication Critical patent/NL7408627A/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
    • 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
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/0055—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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/261—Moulds having tubular mould cavities
    • B29C45/2612—Moulds having tubular mould cavities for manufacturing tubular articles with an annular groove

Abstract

Tube part having a socket end provided with a groove chamber forming at least one projection on the socket and is produced by (a) injection moulding an initial tube part with a cylindrical end in a mould with a core, (b) removing a support from the inside of the cylindrical end next to the first upstanding wall of the tube part to form a new support (b) filling a space situated directly next to the first upstanding wall and under the cylindrical end with a removable gaseous or liq. medium, (c) inwardly pressing the cylindrical end to form another upstanding wall, (d) cooling, (e) removing the gaseous or liq. medium, (f) removing the core from the tube part, and (g) removing the tube part from the mould. Method enables a tube part with a groove contg. seal devices to be produced without the necessity for removing the tube part form the mould, thus avoiding heat losses during transfer of the tube part.
NL7408627A 1974-06-26 1974-06-26 Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould NL7408627A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7408627A NL7408627A (en) 1974-06-26 1974-06-26 Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7408627A NL7408627A (en) 1974-06-26 1974-06-26 Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould

Publications (1)

Publication Number Publication Date
NL7408627A true NL7408627A (en) 1975-12-30

Family

ID=19821627

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7408627A NL7408627A (en) 1974-06-26 1974-06-26 Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould

Country Status (1)

Country Link
NL (1) NL7408627A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013040A1 (en) * 1978-12-12 1980-07-09 Polva-Nederland B.V. Method and apparatus for forming couplings of thermoplastic material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0013040A1 (en) * 1978-12-12 1980-07-09 Polva-Nederland B.V. Method and apparatus for forming couplings of thermoplastic material

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Legal Events

Date Code Title Description
BV The patent application has lapsed