DE2343006A1 - Verfahren zur herstellung von rohrbogen grossen durchmessers - Google Patents

Verfahren zur herstellung von rohrbogen grossen durchmessers

Info

Publication number
DE2343006A1
DE2343006A1 DE19732343006 DE2343006A DE2343006A1 DE 2343006 A1 DE2343006 A1 DE 2343006A1 DE 19732343006 DE19732343006 DE 19732343006 DE 2343006 A DE2343006 A DE 2343006A DE 2343006 A1 DE2343006 A1 DE 2343006A1
Authority
DE
Germany
Prior art keywords
shells
heated
mold
plates
plastic
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.)
Pending
Application number
DE19732343006
Other languages
German (de)
English (en)
Inventor
Franz Grossmann
Manfred Dipl Ing Dr Neutzel
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Priority to DE19732343006 priority Critical patent/DE2343006A1/de
Priority to CH1141974A priority patent/CH565641A5/xx
Priority to FR7429019A priority patent/FR2241392A1/fr
Publication of DE2343006A1 publication Critical patent/DE2343006A1/de
Pending 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
    • B29C66/5472—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making elbows or V-shaped pieces
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE19732343006 1973-08-25 1973-08-25 Verfahren zur herstellung von rohrbogen grossen durchmessers Pending DE2343006A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19732343006 DE2343006A1 (de) 1973-08-25 1973-08-25 Verfahren zur herstellung von rohrbogen grossen durchmessers
CH1141974A CH565641A5 (enrdf_load_stackoverflow) 1973-08-25 1974-08-21
FR7429019A FR2241392A1 (en) 1973-08-25 1974-08-23 Large dia., shaped plastics pipes mfr. - by welding together two half pipes (shell halves)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732343006 DE2343006A1 (de) 1973-08-25 1973-08-25 Verfahren zur herstellung von rohrbogen grossen durchmessers

Publications (1)

Publication Number Publication Date
DE2343006A1 true DE2343006A1 (de) 1975-02-27

Family

ID=5890726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732343006 Pending DE2343006A1 (de) 1973-08-25 1973-08-25 Verfahren zur herstellung von rohrbogen grossen durchmessers

Country Status (3)

Country Link
CH (1) CH565641A5 (enrdf_load_stackoverflow)
DE (1) DE2343006A1 (enrdf_load_stackoverflow)
FR (1) FR2241392A1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR2241392B3 (enrdf_load_stackoverflow) 1977-06-17
FR2241392A1 (en) 1975-03-21
CH565641A5 (enrdf_load_stackoverflow) 1975-08-29

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Legal Events

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