GB1349679A - Extrusion of hollow products - Google Patents

Extrusion of hollow products

Info

Publication number
GB1349679A
GB1349679A GB2327171*#A GB2327171A GB1349679A GB 1349679 A GB1349679 A GB 1349679A GB 2327171 A GB2327171 A GB 2327171A GB 1349679 A GB1349679 A GB 1349679A
Authority
GB
United Kingdom
Prior art keywords
tube
die
mandrel
parts
flange
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2327171*#A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mannesmann Demag AG
Original Assignee
Demag AG
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 Demag AG filed Critical Demag AG
Publication of GB1349679A publication Critical patent/GB1349679A/en
Expired legal-status Critical Current

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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/908—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article characterised by calibrator surface, e.g. structure or holes for lubrication, cooling or venting
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB2327171*#A 1970-03-05 1971-04-19 Extrusion of hollow products Expired GB1349679A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702010345 DE2010345A1 (de) 1970-03-05 1970-03-05 Vorrichtung zum Innen und Außenkuhlen sowie Innen und Außenkalibrieren von extru dierten Hohlprofilen, insbesondere Kunststoff rohren

Publications (1)

Publication Number Publication Date
GB1349679A true GB1349679A (en) 1974-04-10

Family

ID=5764145

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2327171*#A Expired GB1349679A (en) 1970-03-05 1971-04-19 Extrusion of hollow products

Country Status (4)

Country Link
DE (1) DE2010345A1 (enExample)
FR (1) FR2081735B3 (enExample)
GB (1) GB1349679A (enExample)
NL (1) NL7102998A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146571A (en) * 1983-09-12 1985-04-24 Yen Wei Hsiung Apparatus for heating the end of a plastic pipe
CN113858582A (zh) * 2021-09-07 2021-12-31 苏州翠屏塑胶有限公司 塑料管材挤出模具及塑料管材生产工艺

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH643481A5 (fr) * 1981-12-21 1984-06-15 Maillefer Sa Dispositif pour le calibrage d'un tube en matiere plastique produit par extrusion.
AT387355B (de) * 1983-04-19 1989-01-10 Cincinnati Milacron Austria Kuehlvorrichtung
US4573893A (en) * 1984-04-02 1986-03-04 Application Engineering Corporation Extrusion die with external and internal cooling means
CN114393753B (zh) * 2021-12-17 2023-06-27 浙江双林机电科技有限公司 一种聚氯乙烯管材生产线用真空定径喷淋箱

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146571A (en) * 1983-09-12 1985-04-24 Yen Wei Hsiung Apparatus for heating the end of a plastic pipe
US4580972A (en) * 1983-09-12 1986-04-08 Hsiung Yen W Heating apparatus and method
CN113858582A (zh) * 2021-09-07 2021-12-31 苏州翠屏塑胶有限公司 塑料管材挤出模具及塑料管材生产工艺

Also Published As

Publication number Publication date
DE2010345A1 (de) 1972-01-20
NL7102998A (enExample) 1971-09-07
FR2081735A7 (enExample) 1971-12-10
FR2081735B3 (enExample) 1973-05-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees