DE1296782C2 - Verfahren zum Abtrennen von Profilstuecken beim Herstellen von rohrfoermigen Profilen aus Kunststoff - Google Patents

Verfahren zum Abtrennen von Profilstuecken beim Herstellen von rohrfoermigen Profilen aus Kunststoff

Info

Publication number
DE1296782C2
DE1296782C2 DE1963M0059145 DEM0059145A DE1296782C2 DE 1296782 C2 DE1296782 C2 DE 1296782C2 DE 1963M0059145 DE1963M0059145 DE 1963M0059145 DE M0059145 A DEM0059145 A DE M0059145A DE 1296782 C2 DE1296782 C2 DE 1296782C2
Authority
DE
Germany
Prior art keywords
profile
pressure
cutting
weak point
piston
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
DE1963M0059145
Other languages
German (de)
English (en)
Other versions
DE1296782B (de
Inventor
Martino Lawrence A
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.)
Monsanto Co
Original Assignee
Monsanto Co
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 Monsanto Co filed Critical Monsanto Co
Publication of DE1296782B publication Critical patent/DE1296782B/de
Application granted granted Critical
Publication of DE1296782C2 publication Critical patent/DE1296782C2/de
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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
    • 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
    • B29C48/13—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
    • 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
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
DE1963M0059145 1962-12-04 1963-12-04 Verfahren zum Abtrennen von Profilstuecken beim Herstellen von rohrfoermigen Profilen aus Kunststoff Expired DE1296782C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US242126A US3275728A (en) 1962-12-04 1962-12-04 Parison severing method

Publications (2)

Publication Number Publication Date
DE1296782B DE1296782B (de) 1969-06-04
DE1296782C2 true DE1296782C2 (de) 1974-01-31

Family

ID=22913554

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1963M0059145 Expired DE1296782C2 (de) 1962-12-04 1963-12-04 Verfahren zum Abtrennen von Profilstuecken beim Herstellen von rohrfoermigen Profilen aus Kunststoff

Country Status (5)

Country Link
US (1) US3275728A (show.php)
JP (2) JPS4843660B1 (show.php)
DE (1) DE1296782C2 (show.php)
FR (1) FR1377000A (show.php)
GB (1) GB991854A (show.php)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497582A (en) * 1967-01-03 1970-02-24 Monsanto Co Plastic extrusion
US4861542A (en) * 1987-03-23 1989-08-29 Graham Engineering Corporation Rotary blow molding method
US5112546A (en) * 1991-05-10 1992-05-12 Comfort Gordon A Method of controlling thickness of thermoplastic extruded profile
DE4340291A1 (de) * 1993-11-26 1995-06-01 Krupp Corpoplast Masch Mehrfachnutzung von Blasluft
DE4340290A1 (de) * 1993-11-26 1995-06-01 Krupp Corpoplast Masch Mehrfachnutzung von Arbeitsluft
JP6678047B2 (ja) * 2016-03-11 2020-04-08 株式会社吉野工業所 ブロー成形用プリフォーム

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1766728U (de) * 1954-05-14 1958-05-14 Reinold Hagen Vorrichtung zur herstellung von flaschen oder aehnlichen hohlkoerpern aus thermoplastischen kunststoffen.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2356886A (en) * 1942-01-27 1944-08-29 Pittsburgh Plate Glass Co Process and apparatus for producing filaments
US2455509A (en) * 1943-05-26 1948-12-07 Chemical Developments Corp Method of extruding irregularly shaped carbon rods
US2928120A (en) * 1955-12-20 1960-03-15 American Can Co Process and apparatus for the manufacture of hollow articles
US3078507A (en) * 1958-11-19 1963-02-26 Brockway Glass Co Inc Method and apparatus for making plastic articles

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1766728U (de) * 1954-05-14 1958-05-14 Reinold Hagen Vorrichtung zur herstellung von flaschen oder aehnlichen hohlkoerpern aus thermoplastischen kunststoffen.

Also Published As

Publication number Publication date
DE1296782B (de) 1969-06-04
FR1377000A (fr) 1964-10-31
JPS52982B1 (show.php) 1977-01-11
US3275728A (en) 1966-09-27
JPS4843660B1 (show.php) 1973-12-20
GB991854A (en) 1965-05-12

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee