GB1349198A - Method and apparatus for making shrinkable film - Google Patents

Method and apparatus for making shrinkable film

Info

Publication number
GB1349198A
GB1349198A GB1950571*[A GB1950571A GB1349198A GB 1349198 A GB1349198 A GB 1349198A GB 1950571 A GB1950571 A GB 1950571A GB 1349198 A GB1349198 A GB 1349198A
Authority
GB
United Kingdom
Prior art keywords
film
supported
june
nozzle
cooling air
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
GB1950571*[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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of GB1349198A publication Critical patent/GB1349198A/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
    • 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
    • B29C48/88—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
    • B29C48/903—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 externally
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films internally
    • 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
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/913—Cooling of hollow articles of tubular films externally
    • 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
    • B29C48/03—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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB1950571*[A 1970-06-25 1971-06-08 Method and apparatus for making shrinkable film Expired GB1349198A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702031496 DE2031496A1 (de) 1970-06-25 1970-06-25 Verfahren und Vorrichtung zum Herstellen von Schrumpffolien

Publications (1)

Publication Number Publication Date
GB1349198A true GB1349198A (en) 1974-03-27

Family

ID=5774957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1950571*[A Expired GB1349198A (en) 1970-06-25 1971-06-08 Method and apparatus for making shrinkable film

Country Status (3)

Country Link
DE (1) DE2031496A1 (fr)
FR (1) FR2096477B1 (fr)
GB (1) GB1349198A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108237672A (zh) * 2018-01-16 2018-07-03 深圳市安特迈科技有限公司 挤出机模头及挤出机
CN113829611A (zh) * 2021-09-24 2021-12-24 江苏中大包装材料有限公司 一种浮动调节式薄膜加工用模头机构

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3994646A (en) * 1974-01-25 1976-11-30 Frankische Isolierrohr-Und Metallwaren Werke Gebr. Kirchner Apparatus for producing double-walled tubes of plastic material
US3980418A (en) * 1975-09-05 1976-09-14 Gloucester Engineering Co. Inc. Guide assembly for air-expanded thermoplastic tubes
DE2721609C2 (de) * 1977-05-13 1986-07-10 Reifenhäuser KG, 5210 Troisdorf Regeleinrichtung für eine Anlage zur Herstellung von Kunststoffblasfolien
CN109774034B (zh) * 2019-02-28 2024-07-02 黄山至德新材料科技有限公司 一种pof热收缩膜用冷却装置及pof热收缩膜的生产工艺

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108237672A (zh) * 2018-01-16 2018-07-03 深圳市安特迈科技有限公司 挤出机模头及挤出机
CN108237672B (zh) * 2018-01-16 2020-04-07 深圳市安特迈科技有限公司 挤出机模头及挤出机
CN113829611A (zh) * 2021-09-24 2021-12-24 江苏中大包装材料有限公司 一种浮动调节式薄膜加工用模头机构
CN113829611B (zh) * 2021-09-24 2023-04-11 江苏中大新材料科技有限公司 一种浮动调节式薄膜加工用模头机构

Also Published As

Publication number Publication date
FR2096477B1 (fr) 1974-02-15
DE2031496A1 (de) 1971-12-30
FR2096477A1 (fr) 1972-02-18

Similar Documents

Publication Publication Date Title
ES461172A1 (es) Aparato perfeccionado para formar una pelicula de polimero termoplastico tubular, extruida.
ES435583A2 (es) Un aparato para formar pelicula de resina termoplastica tu- bular extruida.
GB1397474A (en) Method for forming the bell end of a bell and spigot joint and an assembly for use in the method
GB654550A (en) Method of making flattened thermoplastic tubing of predetermined desired characteristics
GB1383001A (en) Method and apparatus of making oriented tubular film
GB1330168A (en) Air-cooling apparatus for tubular plastics film blown by a blowhead
GB1248265A (en) Method of and apparatus for making a non-woven fabric
GB990382A (en) Method and apparatus for producing continuous thermoplastic tubes
GB1284321A (en) Process and apparatus for the production of tubes and tubular films
GB946837A (en) Apparatus for extruding tubular films
GB1349198A (en) Method and apparatus for making shrinkable film
GB1444107A (en) Cooling apparatus for plastic tubular film made by a blow-head
GB1446518A (en) Post-cooling apparatus for blown thermoplastic film
GB1060434A (en) Improvements in or relating to apparatus for cooling continuous extruded air-inflated tubular films of thermoplastic resinous material
GB954069A (en) Improvements in methods of and apparatus for, the continuous production of composite plastic material
GB854369A (en) Extrusion of seamless tubing
GB1264347A (fr)
US3300555A (en) Manufacture of plastic tubes
WO1992016352A3 (fr) Appareil et procede de contrainte pour matereiau tubulaire soumis a une rotation
GB1338640A (en) Cooling means for tubular plastics film made by a blowhead
GB1123318A (en) Process and apparatus for cooling thermoplastic sheets or films
ES251719A1 (es) Procedimiento y aparato para la fabricaciën de tubos y peliculas tubulares
NO985399L (no) Anordning og fremgangsmÕte for fremstilling av sylindrisk cellulosefolie
GB1387030A (en) Method and apparatus for producing shrinkably stretched flexible thermoplastic tubing
GB805858A (en) Improvements in or relating to apparatus for the extrusion of thermoplastic material

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees