DK163320C - Plastroer med massive tvaerribber paa ydersiden, et formningsapparat dertil samt et anlaeg omfattende et saadant apparat og en fremgangsmaade til formning af et plastroer - Google Patents

Plastroer med massive tvaerribber paa ydersiden, et formningsapparat dertil samt et anlaeg omfattende et saadant apparat og en fremgangsmaade til formning af et plastroer

Info

Publication number
DK163320C
DK163320C DK567289A DK567289A DK163320C DK 163320 C DK163320 C DK 163320C DK 567289 A DK567289 A DK 567289A DK 567289 A DK567289 A DK 567289A DK 163320 C DK163320 C DK 163320C
Authority
DK
Denmark
Prior art keywords
rubber
plastic
tube
formating
appliances
Prior art date
Application number
DK567289A
Other languages
English (en)
Other versions
DK163320B (da
DK567289D0 (da
DK567289A (da
Inventor
Finn Thor Hansen
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19850017&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK163320(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wavin Bv filed Critical Wavin Bv
Publication of DK567289D0 publication Critical patent/DK567289D0/da
Publication of DK567289A publication Critical patent/DK567289A/da
Publication of DK163320B publication Critical patent/DK163320B/da
Application granted granted Critical
Publication of DK163320C publication Critical patent/DK163320C/da

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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/303—Extrusion nozzles or dies using dies or die parts movable in a closed circuit, e.g. mounted on movable endless support
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Joints With Sleeves (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK567289A 1987-05-14 1989-11-13 Plastroer med massive tvaerribber paa ydersiden, et formningsapparat dertil samt et anlaeg omfattende et saadant apparat og en fremgangsmaade til formning af et plastroer DK163320C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL8701164A NL8701164A (nl) 1987-05-14 1987-05-14 Kunststofbuis met aan het buitenoppervlak massieve dwarsribben, inrichting voor toepassing in een installatie voor het vormen van dergelijke buizen; installatie voor het vormen van buizen die een dergelijke inrichting omvat en werkwijze voor het vormen van een kunststofbuis onder toepassing van een dergelijke installatie.
NL8701164 1987-05-14
NL8800022 1988-05-11
PCT/NL1988/000022 WO1988008784A1 (en) 1987-05-14 1988-05-11 Plastic tube with solid cross-ribs on the outer surface, a moulding device therefor; installation comprising such a device and a method for moulding a plastic tube

Publications (4)

Publication Number Publication Date
DK567289D0 DK567289D0 (da) 1989-11-13
DK567289A DK567289A (da) 1989-11-13
DK163320B DK163320B (da) 1992-02-17
DK163320C true DK163320C (da) 1992-07-06

Family

ID=19850017

Family Applications (1)

Application Number Title Priority Date Filing Date
DK567289A DK163320C (da) 1987-05-14 1989-11-13 Plastroer med massive tvaerribber paa ydersiden, et formningsapparat dertil samt et anlaeg omfattende et saadant apparat og en fremgangsmaade til formning af et plastroer

Country Status (9)

Country Link
EP (2) EP0291136B2 (da)
JP (2) JP2631887B2 (da)
AT (1) ATE69578T1 (da)
CA (1) CA1303518C (da)
DE (1) DE3866277D1 (da)
DK (1) DK163320C (da)
FI (1) FI90129C (da)
NL (1) NL8701164A (da)
WO (1) WO1988008784A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2205737B (en) * 1987-05-23 1991-04-03 Nat Res Dev Improvements in or relating to chairs
FI83984C (fi) * 1989-04-28 1991-09-25 Uponor Nv Tryckledning.
DE69121410T2 (de) * 1991-06-14 1997-02-20 Manfred Arno Alfred Lupke Maschine mit wanderndem formtunnel zur herstellung glattwandiger rohre
DE4240268A1 (de) * 1992-12-01 1994-06-09 Wilhelm Hegler Verfahren und Vorrichtung zur fortlaufenden Herstellung eines Verbundrohres mit einem außen im wesentlichen glatten Abschnitt

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH560097A5 (da) * 1972-07-25 1975-03-27 Kagerer Eisen Kunststoff
US4038011A (en) 1972-12-29 1977-07-26 Lemelson Jerome H Apparatus for forming ribbed tubing
JPS587448B2 (ja) * 1974-09-25 1983-02-09 積水化学工業株式会社 アツニクブト ウスニクブトオ コウゴ ニユウスル ジユシカンノ セイゾウホウホウ
US4003685A (en) * 1974-10-09 1977-01-18 Maroschak Ernest J Apparatus for molding plastic pipe with enlarged portions formed therein
FR2359696A1 (fr) * 1976-07-30 1978-02-24 Pont A Mousson Procede et dispositif pour modifier l'epaisseur d'un corps extrude a debit constant
JPS5630012Y2 (da) * 1976-09-09 1981-07-17
DE2709395C2 (de) * 1977-03-04 1979-05-23 Reifenhaeuser Kg, 5210 Troisdorf Verfahren und Vorrichtung zum kontinuierlichen Herstellen eines Rippenrohres mit glattem Innenkanal
ZA775528B (en) * 1977-09-15 1979-04-25 Aeci Ltd Plastics pipes and their manufacture
FR2424123A1 (fr) * 1978-04-24 1979-11-23 Armosig Procede et appareillage pour la fabrication en continu de profiles tubulaires ailetes en matiere synthetique
CA1187258A (en) * 1982-12-02 1985-05-21 Lupke, Manfred A. A. Method and apparatus for forming a double walled thermoplastic tube with integral bells
US4500284A (en) * 1983-09-16 1985-02-19 Lupke Manfred Arno Alfred Forming single wall bells in double wall pipe
FI75414C (fi) * 1985-07-29 1988-06-09 Uponor Nv Roerkoppling.
US4702502A (en) * 1985-08-06 1987-10-27 Contech Construction Products Inc. Gasket for making joints in corrugated plastic pipe
JPS63218333A (ja) * 1987-03-06 1988-09-12 Seiji Nagayoshi 合成樹脂管の製造装置

Also Published As

Publication number Publication date
EP0363384A1 (en) 1990-04-18
JPH09117950A (ja) 1997-05-06
DE3866277D1 (de) 1992-01-02
DK163320B (da) 1992-02-17
ATE69578T1 (de) 1991-12-15
DK567289D0 (da) 1989-11-13
WO1988008784A1 (en) 1988-11-17
EP0291136B2 (en) 1995-12-06
FI90129B (fi) 1993-09-15
JP2631887B2 (ja) 1997-07-16
EP0291136B1 (en) 1991-11-21
FI895424A0 (fi) 1989-11-14
JPH02503407A (ja) 1990-10-18
NL8701164A (nl) 1988-12-01
FI90129C (fi) 1993-12-27
EP0291136A1 (en) 1988-11-17
CA1303518C (en) 1992-06-16
DK567289A (da) 1989-11-13

Similar Documents

Publication Publication Date Title
DK305883D0 (da) Samlinger mellem roerformede dele i cykelstel henholdsvis -gafler, samt fremgangsmade til fremstilling af samlingerne
SG99285G (en) End capping an optical fiber
SG44659A1 (en) Method and apparatus for molding lenses
KR860003896A (ko) 표면에 수지 피막을 갖는 플라스틱 성형방법
DE69110819D1 (de) Spritzgiesssystem zum Herstellen einer hinterschnittenen Vorformung.
DK0385465T4 (da) Fremgangsmåde til fremstilling af et kloakrør af plast
DE69414930D1 (de) Schaltkreis zur Erzeugung von Referenzspannungen unter Verwendung einer Schwellenwertdifferenz zwischen zwei MOS-Transistoren
TW333478B (en) Method and device for designing a mould, and mould designed by said device
FR2665739B1 (fr) Carter pour transmission.
DK531186A (da) Plastroer til optagelse af indtraekningsorganer samt fremgangsmaade og apparat til dets fremstilling
DK163320C (da) Plastroer med massive tvaerribber paa ydersiden, et formningsapparat dertil samt et anlaeg omfattende et saadant apparat og en fremgangsmaade til formning af et plastroer
DK0459924T3 (da) Fremgangsmåde ved fremstilling af selvdækkende og isolerende etagedækelementer, samt indretning til udøvelse af fremgangsmåden og de således frembragte etagedækelementer
FR2509661B1 (da)
DK0456236T3 (da) Konstruktionselement, som er støbt af kunstharpiks, samt fremgangsmåde til fremstilling deraf
GB8520932D0 (en) Molding of integral socket connection
DK0657268T3 (da) Fremgangsmåde og anordning til sprøjtestøbning af flerlagede genstande
DK0454098T3 (da) Fremgangsmåde til fremstilling af skaktbundstykker og apparat til udøvelse af fremgangsmåden
ATE208020T1 (de) Befestigungselement
EP0229985A3 (en) Improvements in tyre vulcanizing moulds
HU9700715D0 (en) Erecting element
ES2129743T3 (es) Dispositivo de union de placas de encofrado, encofrado de union asi producido, y procedimiento de fabricacion.
MX9102381A (es) Procedimiento para la reparacion de polimeros de 4-hidroxiestireno a partir de polimeros de 4-acetoxiestireno.
DK386587A (da) Fremgangsmaade til fremstilling af et i en rammedel af plast anbragt boersteelement
ATE183707T1 (de) Im spritzgiessverfahren hergestelltes kunstoffteil
EP0127593A3 (en) Device which can be enlarged with a controlled expansion

Legal Events

Date Code Title Description
PBP Patent lapsed