GB1351973A - Process and apparatus for the manufacture of tubular films of synthetic organic thermoplastic materials which tubes are capable of shrinking longitudinally without changing their internal diameter - Google Patents

Process and apparatus for the manufacture of tubular films of synthetic organic thermoplastic materials which tubes are capable of shrinking longitudinally without changing their internal diameter

Info

Publication number
GB1351973A
GB1351973A GB5379471A GB5379471A GB1351973A GB 1351973 A GB1351973 A GB 1351973A GB 5379471 A GB5379471 A GB 5379471A GB 5379471 A GB5379471 A GB 5379471A GB 1351973 A GB1351973 A GB 1351973A
Authority
GB
United Kingdom
Prior art keywords
film
internal diameter
films
stretching
tubular
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
GB5379471A
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.)
Huels AG
Original Assignee
Chemische Werke Huels 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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of GB1351973A publication Critical patent/GB1351973A/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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes
    • 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
    • B29C48/03—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/001—Tubular films, sleeves
    • B29L2023/002—Sausage casings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB5379471A 1970-11-21 1971-11-19 Process and apparatus for the manufacture of tubular films of synthetic organic thermoplastic materials which tubes are capable of shrinking longitudinally without changing their internal diameter Expired GB1351973A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702057255 DE2057255A1 (de) 1970-11-21 1970-11-21 Verfahren zur Herstellung von Schlauchfolien aus thermoplastischen Kunststoffen mit definiertem Volumenschrumpf mit Hilfe des Blasverfahrens

Publications (1)

Publication Number Publication Date
GB1351973A true GB1351973A (en) 1974-05-15

Family

ID=5788719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5379471A Expired GB1351973A (en) 1970-11-21 1971-11-19 Process and apparatus for the manufacture of tubular films of synthetic organic thermoplastic materials which tubes are capable of shrinking longitudinally without changing their internal diameter

Country Status (7)

Country Link
AU (1) AU468909B2 (cs)
BR (1) BR7107730D0 (cs)
CS (1) CS179959B2 (cs)
DE (1) DE2057255A1 (cs)
ES (1) ES397196A1 (cs)
GB (1) GB1351973A (cs)
HU (1) HU164393B (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031389A1 (de) * 1990-10-04 1992-04-09 Mudder H Europlast Polymermasse aus polyester und einem ethylen-methacrylsaeure-copolymerisat
CN103072248A (zh) * 2013-01-14 2013-05-01 平阳县大宇塑料机械有限公司 塑料挤出平膜拉丝机
CN111745943A (zh) * 2020-06-11 2020-10-09 常州海菲尔机械有限公司 一种吹膜机中加热二次吹胀工艺
CN113954341A (zh) * 2021-11-03 2022-01-21 宁波勤邦新材料科技有限公司 一种太阳能背板基膜的成型拉伸设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5851610A (en) * 1991-02-07 1998-12-22 Applied Extrusion Technologies, Inc. Shrink films and articles including the same
ES2125239T3 (es) * 1991-02-07 1999-03-01 Applied Extrusion Technologies Procedimiento para la fabricacion de pelicula contraible y laminados y capas de pelicula contraible resultantes.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031389A1 (de) * 1990-10-04 1992-04-09 Mudder H Europlast Polymermasse aus polyester und einem ethylen-methacrylsaeure-copolymerisat
CN103072248A (zh) * 2013-01-14 2013-05-01 平阳县大宇塑料机械有限公司 塑料挤出平膜拉丝机
CN111745943A (zh) * 2020-06-11 2020-10-09 常州海菲尔机械有限公司 一种吹膜机中加热二次吹胀工艺
CN113954341A (zh) * 2021-11-03 2022-01-21 宁波勤邦新材料科技有限公司 一种太阳能背板基膜的成型拉伸设备

Also Published As

Publication number Publication date
AU3585171A (en) 1973-05-24
BR7107730D0 (pt) 1973-02-22
ES397196A1 (es) 1974-05-01
AU468909B2 (en) 1973-05-24
CS179959B2 (en) 1977-12-30
HU164393B (cs) 1974-02-28
DE2057255A1 (de) 1972-05-25

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Legal Events

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