DE1966951A1 - Verfahren zum extrudieren eines blasfolienschlauches, anwendung einer ringschlitzduese zur ausfuehrung des verfahrens und verwendung des erzeugnisses - Google Patents

Verfahren zum extrudieren eines blasfolienschlauches, anwendung einer ringschlitzduese zur ausfuehrung des verfahrens und verwendung des erzeugnisses

Info

Publication number
DE1966951A1
DE1966951A1 DE19691966951 DE1966951A DE1966951A1 DE 1966951 A1 DE1966951 A1 DE 1966951A1 DE 19691966951 DE19691966951 DE 19691966951 DE 1966951 A DE1966951 A DE 1966951A DE 1966951 A1 DE1966951 A1 DE 1966951A1
Authority
DE
Germany
Prior art keywords
nozzle
temperature
plastic
plastic melt
nozzle lip
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
DE19691966951
Other languages
German (de)
English (en)
Inventor
Ronald Patrick Burke
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.)
Fitzwilton Ltd
Original Assignee
Fitzwilton Ltd
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 Fitzwilton Ltd filed Critical Fitzwilton Ltd
Publication of DE1966951A1 publication Critical patent/DE1966951A1/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
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87—Cooling
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)
DE19691966951 1968-09-12 1969-09-04 Verfahren zum extrudieren eines blasfolienschlauches, anwendung einer ringschlitzduese zur ausfuehrung des verfahrens und verwendung des erzeugnisses Pending DE1966951A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43324/68A GB1287404A (en) 1968-09-12 1968-09-12 The manufacture of plastics bags, sacks and tubular or sheet film

Publications (1)

Publication Number Publication Date
DE1966951A1 true DE1966951A1 (de) 1976-02-05

Family

ID=10428271

Family Applications (2)

Application Number Title Priority Date Filing Date
DE6934811U Expired DE6934811U (de) 1968-09-12 1969-09-04 Spritzwerkzeug zur herstellung von folienschlaeuchen aus kunststoff.
DE19691966951 Pending DE1966951A1 (de) 1968-09-12 1969-09-04 Verfahren zum extrudieren eines blasfolienschlauches, anwendung einer ringschlitzduese zur ausfuehrung des verfahrens und verwendung des erzeugnisses

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE6934811U Expired DE6934811U (de) 1968-09-12 1969-09-04 Spritzwerkzeug zur herstellung von folienschlaeuchen aus kunststoff.

Country Status (9)

Country Link
JP (1) JPS5144151B1 (fr)
CA (1) CA926062A (fr)
CH (1) CH497272A (fr)
DE (2) DE6934811U (fr)
DK (1) DK133805B (fr)
FR (1) FR2018008A1 (fr)
GB (1) GB1287404A (fr)
IE (1) IE33555B1 (fr)
NL (1) NL6913965A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2943721A1 (de) * 1978-10-31 1980-05-14 Lely Nv C Van Der Streugeraet fuer koerniges oder pulveriges streugut
DE2908949A1 (de) * 1979-03-07 1980-09-11 Amazonen Werke Dreyer H Verfahren fuer den feldeinsatz von schleuderduengerstreuern
DE3505382A1 (de) * 1985-02-16 1986-08-21 Accord-Landmaschinen Heinrich Weiste & Co Gmbh, 4770 Soest Zweischeibenduengerstreuer
DE2954169C2 (fr) * 1978-05-05 1987-07-30 C. Van Der Lely N.V., Maasland, Nl
DE3643853A1 (de) * 1986-12-22 1988-06-30 Amazonen Werke Dreyer H Schleuderstreuer

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5885034U (ja) * 1981-12-04 1983-06-09 株式会社イナックス 設備ユニツトに用いるタイルパネル
JPS6219431A (ja) * 1985-07-19 1987-01-28 Terumo Corp 内面を粗面とした環状の熱可塑性樹脂フイルムの製造方法およびその装置
GB2190035A (en) * 1986-05-08 1987-11-11 Polysystems Machinery Manufact Film extrustion die-lip heater
JPH03119086U (fr) * 1990-03-19 1991-12-09
JPH05222758A (ja) * 1992-02-13 1993-08-31 Inax Corp 小便器ユニット

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2954169C2 (fr) * 1978-05-05 1987-07-30 C. Van Der Lely N.V., Maasland, Nl
US5018669A (en) * 1978-05-05 1991-05-28 C. Van Der Lely N.V. Spreader for spreading granular and/or powdery material
DE2943721A1 (de) * 1978-10-31 1980-05-14 Lely Nv C Van Der Streugeraet fuer koerniges oder pulveriges streugut
US5004163A (en) * 1978-10-31 1991-04-02 C. Van Der Lely N.V. Devices for spreading granular and/or powdery material
DE2908949A1 (de) * 1979-03-07 1980-09-11 Amazonen Werke Dreyer H Verfahren fuer den feldeinsatz von schleuderduengerstreuern
DE3505382A1 (de) * 1985-02-16 1986-08-21 Accord-Landmaschinen Heinrich Weiste & Co Gmbh, 4770 Soest Zweischeibenduengerstreuer
DE3643853A1 (de) * 1986-12-22 1988-06-30 Amazonen Werke Dreyer H Schleuderstreuer

Also Published As

Publication number Publication date
DE1944918B2 (de) 1976-03-18
DK133805C (fr) 1976-12-13
DE1944918A1 (de) 1970-03-19
CH497272A (de) 1970-10-15
GB1287404A (en) 1972-08-31
DE6934811U (de) 1973-05-24
FR2018008A1 (fr) 1970-05-29
NL6913965A (fr) 1970-03-16
IE33555L (en) 1970-03-12
DK133805B (da) 1976-07-26
IE33555B1 (en) 1974-08-07
CA926062A (en) 1973-05-15
JPS5144151B1 (fr) 1976-11-26

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