ES8401367A1 - "perfeccionamientos en un procedimiento de formar una pelicula de soplado mediante extrusion en fusion de una resina termoplastica". - Google Patents

"perfeccionamientos en un procedimiento de formar una pelicula de soplado mediante extrusion en fusion de una resina termoplastica".

Info

Publication number
ES8401367A1
ES8401367A1 ES516538A ES516538A ES8401367A1 ES 8401367 A1 ES8401367 A1 ES 8401367A1 ES 516538 A ES516538 A ES 516538A ES 516538 A ES516538 A ES 516538A ES 8401367 A1 ES8401367 A1 ES 8401367A1
Authority
ES
Spain
Prior art keywords
forming
extrusion
melting
procedure
thermoplastic resin
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
ES516538A
Other languages
English (en)
Other versions
ES516538A0 (es
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.)
NUC Corp
Original Assignee
Nippon Unicar Co 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 Nippon Unicar Co Ltd filed Critical Nippon Unicar Co Ltd
Publication of ES8401367A1 publication Critical patent/ES8401367A1/es
Publication of ES516538A0 publication Critical patent/ES516538A0/es
Granted 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
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular 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
    • B29C48/03—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
    • B29C48/88—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PROCEDIMIENTO PARA FORMAR UNA PELICULA TUBULAR SOPLADA, POR EXTRUSION DE MASA FUNDIDA DE UNA RESINA TERMOPLASTICA, QUE TIENE UN ALTO GRADO DE TRANSPARENCIA.UNA PELICULA TUBULAR FUNDIDA (5) ES EXPANDIDA (14) INSUFLANDO AIRE (4) EN SU INTERIOR. SE ENFRIA RAPIDAMENTE MEDIANTE SOPLADO DE AIRE DE REFRIGERACION (12) PERPENDICULARMENTE AL EJE GEOMETRICO DE LA PELICULA TUBULAR. POSTERIORMENTE SE ENFRIA CON AIRE DE REFRIGERACION SECUNDARIO.
ES516538A 1981-10-16 1982-10-15 "perfeccionamientos en un procedimiento de formar una pelicula de soplado mediante extrusion en fusion de una resina termoplastica". Granted ES516538A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56164265A JPS5865630A (ja) 1981-10-16 1981-10-16 インフレ−シヨンフイルムの成形方法および装置

Publications (2)

Publication Number Publication Date
ES8401367A1 true ES8401367A1 (es) 1983-12-16
ES516538A0 ES516538A0 (es) 1983-12-16

Family

ID=15789798

Family Applications (2)

Application Number Title Priority Date Filing Date
ES516538A Granted ES516538A0 (es) 1981-10-16 1982-10-15 "perfeccionamientos en un procedimiento de formar una pelicula de soplado mediante extrusion en fusion de una resina termoplastica".
ES521227A Granted ES521227A0 (es) 1981-10-16 1983-04-05 Un aparato para formar una pelicula tubular soplada.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES521227A Granted ES521227A0 (es) 1981-10-16 1983-04-05 Un aparato para formar una pelicula tubular soplada.

Country Status (11)

Country Link
EP (1) EP0077661A3 (es)
JP (1) JPS5865630A (es)
KR (1) KR840001880A (es)
AR (1) AR229619A1 (es)
AU (1) AU8935682A (es)
BR (1) BR8206036A (es)
DK (1) DK456582A (es)
ES (2) ES516538A0 (es)
FI (1) FI823534A7 (es)
NO (1) NO823430L (es)
ZA (1) ZA827580B (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564775B1 (fr) * 1984-05-24 1986-09-12 Charbonnages Ste Chimique Dispositif et procede de refroidissement de feuilles plastiques
FR2548085B1 (fr) * 1983-06-29 1985-12-27 Charbonnages Ste Chimique Dispositif de refroidissement et procede de fabrication de feuilles plastiques obtenues par soufflage de gaine
DK158573C (da) * 1983-06-29 1990-11-12 Charbonnages Ste Chimique Apparat til afkoeling af et blaeseekstruderet folieroer
DE3323817A1 (de) * 1983-07-01 1985-01-10 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum abstuetzen und kalibrieren von folienschlaeuchen aus thermoplastischem kunstoff
DE3335334C2 (de) * 1983-09-29 1986-01-30 Windmöller & Hölscher, 4540 Lengerich Kühlvorrichtung für aus einem Folienblaskopf extrudierte Kunststoffschlauchfolien mit Luftkühlung
CN100406550C (zh) * 2003-09-02 2008-07-30 金衣生命科学股份有限公司 新的乳酸菌、其细菌素、及利用该菌的食品加工方法
CN105522718A (zh) * 2016-01-15 2016-04-27 无锡市太平洋新材料股份有限公司 一种膜泡直径控制系统
AU2022425180A1 (en) * 2021-12-30 2024-06-20 Teleflex Medical Llc Compounded active pharmaceutical agents in thermoplastic polymer compositions and methods of manufacture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221084A (en) * 1959-05-26 1965-11-30 Du Pont Manufacture of polyethylene film
DE1183229B (de) * 1962-05-11 1964-12-10 Reifenhaeuser Kg Verfahren und Vorrichtung zur Herstellung von Schlauchfolien aus thermoplastischem Kunststoff
CH594490A5 (en) * 1976-06-18 1978-01-13 Oerlikon Buehrle Ag High strength thermoplastic film tubing
JPS6026698B2 (ja) * 1980-05-30 1985-06-25 日本ユニカ−株式会社 プラスチツクフイルムの成形方法および装置

Also Published As

Publication number Publication date
ZA827580B (en) 1983-08-31
JPH0218972B2 (es) 1990-04-27
JPS5865630A (ja) 1983-04-19
ES516538A0 (es) 1983-12-16
FI823534L (fi) 1983-04-17
BR8206036A (pt) 1983-09-13
NO823430L (no) 1983-04-18
FI823534A0 (fi) 1982-10-15
AU8935682A (en) 1983-06-16
EP0077661A3 (en) 1984-08-08
AR229619A1 (es) 1983-09-30
KR840001880A (ko) 1984-06-07
FI823534A7 (fi) 1983-04-17
ES8404907A1 (es) 1984-05-16
DK456582A (da) 1983-04-17
ES521227A0 (es) 1984-05-16
EP0077661A2 (en) 1983-04-27

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971001