FI56788C - Foerfarande och anordning foer framstaellning av en roerboej av termoplastiskt material - Google Patents

Foerfarande och anordning foer framstaellning av en roerboej av termoplastiskt material Download PDF

Info

Publication number
FI56788C
FI56788C FI3678/73A FI367873A FI56788C FI 56788 C FI56788 C FI 56788C FI 3678/73 A FI3678/73 A FI 3678/73A FI 367873 A FI367873 A FI 367873A FI 56788 C FI56788 C FI 56788C
Authority
FI
Finland
Prior art keywords
pipe
curvature
wall thickness
extrusion head
cooling matrix
Prior art date
Application number
FI3678/73A
Other languages
English (en)
Finnish (fi)
Other versions
FI56788B (fi
Inventor
Arnold Aalo
Original Assignee
Graenges Essem Plast As
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 Graenges Essem Plast As filed Critical Graenges Essem Plast As
Application granted granted Critical
Publication of FI56788B publication Critical patent/FI56788B/fi
Publication of FI56788C publication Critical patent/FI56788C/fi

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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • B29C48/03—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
    • B29C48/131—Curved articles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
FI3678/73A 1972-12-01 1973-11-29 Foerfarande och anordning foer framstaellning av en roerboej av termoplastiskt material FI56788C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO443572 1972-12-01
NO04435/72*[A NO129892B (bg) 1972-12-01 1972-12-01

Publications (2)

Publication Number Publication Date
FI56788B FI56788B (fi) 1979-12-31
FI56788C true FI56788C (fi) 1980-04-10

Family

ID=19880309

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3678/73A FI56788C (fi) 1972-12-01 1973-11-29 Foerfarande och anordning foer framstaellning av en roerboej av termoplastiskt material

Country Status (6)

Country Link
DE (1) DE2359746A1 (bg)
DK (1) DK130881B (bg)
FI (1) FI56788C (bg)
GB (1) GB1442786A (bg)
NO (1) NO129892B (bg)
SE (1) SE400220B (bg)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359446A (en) * 1979-10-26 1982-11-16 Nipak, Inc. Sweep ell production method
US4273523A (en) * 1979-10-26 1981-06-16 Nipak, Inc. Sweep ell production apparatus
US4649012A (en) * 1980-06-03 1987-03-10 Maschinen Witte Kg Method of shaping an elongated product
US4929167A (en) * 1987-06-12 1990-05-29 Pepper Kenneth V Apparatus for producing a helical tube
US4906171A (en) * 1988-06-17 1990-03-06 Gencorp Inc. Directed flow die assembly
US5562875A (en) * 1988-06-17 1996-10-08 Gencorp Inc. Handling system and method for curved extrusions
US5069853A (en) * 1988-06-17 1991-12-03 Gencorp Inc. Method of configuring extrudate flowing from an extruder die assembly
US5067885A (en) * 1988-06-17 1991-11-26 Gencorp Inc. Rapid change die assembly
US5219588A (en) * 1990-02-12 1993-06-15 Gencorp Inc. Die assembly control
CN105729743B (zh) * 2016-03-24 2024-02-27 中山市悦辰电子实业有限公司 一种可调节圆弧弯管夹具
CN107139498A (zh) * 2017-04-01 2017-09-08 武汉市三力塑胶有限责任公司 弧形塑料型材的成型设备及成型工艺
GB201707519D0 (en) * 2017-05-10 2017-06-21 Imp Innovations Ltd A method for forming curved lengths of extruded profiles/sections in metal alloys
CN110239067B (zh) * 2019-07-15 2024-06-21 浙江甬源塑业有限公司 一种立式塑料管弯管设备
CN113478681A (zh) * 2021-07-09 2021-10-08 常州富桐纤维新材料有限公司 一种母粒间接冷却装置

Also Published As

Publication number Publication date
SE400220B (sv) 1978-03-20
DK130881C (bg) 1975-09-15
DK130881B (da) 1975-04-28
DE2359746A1 (de) 1974-06-12
FI56788B (fi) 1979-12-31
NO129892B (bg) 1974-06-10
GB1442786A (en) 1976-07-14

Similar Documents

Publication Publication Date Title
FI56788C (fi) Foerfarande och anordning foer framstaellning av en roerboej av termoplastiskt material
US4900503A (en) Method and apparatus for producing a finned tube from synthetic plastics material
CA1314676C (en) Pipe extrusion die with a cooled and vacuumed additional mandrel
AU620617B2 (en) A process and an installation for producing a drip irrigation conduit
US4033808A (en) Apparatus for the production of hollow bodies, especially large-diameter ducts from thermoplastic synthetic resin
US2502638A (en) Method of extruding plastics in tubular form and wrapping the tubing
US7550102B2 (en) Method for producing a helically shaped, seamless multi-walled cylindrical article
CA2110360C (en) Method and apparatus for the continuous manufacture of a compound pipe with a portion which is substantially smooth on its outside
US4113546A (en) Apparatus for producing tubes by helically winding sheets
CN111712140B (zh) 用于挤出机的冷却喷嘴
US5906838A (en) Symmetrical flow extrusion manifold
US4204496A (en) Steel-pipe coating apparatus
CN104441672A (zh) 一种钢带增强体的塑料波纹管及其制造工艺和设备
US6045347A (en) Apparatus for the production of plastic compound pipes
US4292113A (en) Method and apparatus for manufacturing corrugated tubes
CN105538756A (zh) 钢带增强中空双平壁聚乙烯缠绕排水管的生产方法
US4017244A (en) Device for the molding of corrugated pipe from extruded thermoplastic materials
US4798696A (en) Method for extrusion of plastic tubes, and an apparatus for carrying out said method
GB1387245A (en) Apparatus for the manufacture of helically wound pipes
JPH0628892B2 (ja) 中空螺旋リブ付被覆管の製造方法
US20200101654A1 (en) Wire Bank Cutter Assembly
FR2399909A1 (fr) Procede et appareil pour la fabrication d'elements allonges en matiere plastique et elements s'y rapportant
CH427236A (fr) Procédé de fabrication d'un tube calibré intérieurement et appareil pour la mise en oeuvre de ce procédé
JPS5939300B2 (ja) 補強ホ−スの製造方法とその装置
US20200230902A1 (en) A mold for an apparatus to produce plastic pipe and method to use it