DK130881B - Method for extruding pipe bends of thermoplastic material and apparatus for performing the method. - Google Patents

Method for extruding pipe bends of thermoplastic material and apparatus for performing the method.

Info

Publication number
DK130881B
DK130881B DK623073AA DK623073A DK130881B DK 130881 B DK130881 B DK 130881B DK 623073A A DK623073A A DK 623073AA DK 623073 A DK623073 A DK 623073A DK 130881 B DK130881 B DK 130881B
Authority
DK
Denmark
Prior art keywords
thermoplastic material
extruding pipe
pipe bends
bends
extruding
Prior art date
Application number
DK623073AA
Other languages
Danish (da)
Other versions
DK130881C (en
Inventor
A 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
Publication of DK130881B publication Critical patent/DK130881B/en
Application granted granted Critical
Publication of DK130881C publication Critical patent/DK130881C/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
    • B29C48/32—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)
DK623073AA 1972-12-01 1973-11-19 Method for extruding pipe bends of thermoplastic material and apparatus for performing the method. DK130881B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DK130881B true DK130881B (en) 1975-04-28
DK130881C DK130881C (en) 1975-09-15

Family

ID=19880309

Family Applications (1)

Application Number Title Priority Date Filing Date
DK623073AA DK130881B (en) 1972-12-01 1973-11-19 Method for extruding pipe bends of thermoplastic material and apparatus for performing the method.

Country Status (6)

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

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273523A (en) * 1979-10-26 1981-06-16 Nipak, Inc. Sweep ell production apparatus
US4359446A (en) * 1979-10-26 1982-11-16 Nipak, Inc. Sweep ell production method
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
US5069853A (en) * 1988-06-17 1991-12-03 Gencorp Inc. Method of configuring extrudate flowing from an extruder die assembly
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
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 (en) * 2016-03-24 2024-02-27 中山市悦辰电子实业有限公司 Adjustable circular arc elbow clamp
CN107139498A (en) * 2017-04-01 2017-09-08 武汉市三力塑胶有限责任公司 The former and moulding process of arc plastic material
GB201707519D0 (en) * 2017-05-10 2017-06-21 Imp Innovations Ltd A method for forming curved lengths of extruded profiles/sections in metal alloys
CN113478681A (en) * 2021-07-09 2021-10-08 常州富桐纤维新材料有限公司 Master batch indirect cooling device

Also Published As

Publication number Publication date
DE2359746A1 (en) 1974-06-12
FI56788B (en) 1979-12-31
DK130881C (en) 1975-09-15
SE400220B (en) 1978-03-20
NO129892B (en) 1974-06-10
FI56788C (en) 1980-04-10
GB1442786A (en) 1976-07-14

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