BR7107730D0 - Processo para a producao de folhas tubulares de materias sinteticas termoplasticas com contracao definida de volume com auxilio do processo de sopro e dispositivo para execucao do mesmo - Google Patents

Processo para a producao de folhas tubulares de materias sinteticas termoplasticas com contracao definida de volume com auxilio do processo de sopro e dispositivo para execucao do mesmo

Info

Publication number
BR7107730D0
BR7107730D0 BR7730/71A BR773071A BR7107730D0 BR 7107730 D0 BR7107730 D0 BR 7107730D0 BR 7730/71 A BR7730/71 A BR 7730/71A BR 773071 A BR773071 A BR 773071A BR 7107730 D0 BR7107730 D0 BR 7107730D0
Authority
BR
Brazil
Prior art keywords
execution
volume
production
support
same
Prior art date
Application number
BR7730/71A
Other languages
English (en)
Portuguese (pt)
Inventor
Werke Huls Ag Chemische
Original Assignee
Huels Chemische Werke 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 Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of BR7107730D0 publication Critical patent/BR7107730D0/pt

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)
BR7730/71A 1970-11-21 1971-11-19 Processo para a producao de folhas tubulares de materias sinteticas termoplasticas com contracao definida de volume com auxilio do processo de sopro e dispositivo para execucao do mesmo BR7107730D0 (pt)

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
BR7107730D0 true BR7107730D0 (pt) 1973-02-22

Family

ID=5788719

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7730/71A BR7107730D0 (pt) 1970-11-21 1971-11-19 Processo para a producao de folhas tubulares de materias sinteticas termoplasticas com contracao definida de volume com auxilio do processo de sopro e dispositivo para execucao do mesmo

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)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031389C2 (de) * 1990-10-04 1993-12-09 Mudder H Europlast Verwendung einer Polymermasse aus Polyester und einem Ethylen-Methacrylsäure-Copolymerisat
US5851610A (en) * 1991-02-07 1998-12-22 Applied Extrusion Technologies, Inc. Shrink films and articles including the same
DE69226715T2 (de) * 1991-02-07 1999-10-28 Applied Extrusion Technologies, Inc. Verfahren zur Herstellung von schrumpfbaren Folien und so hergestellte schrumpfbare Folien und Laminate
CN103072248B (zh) * 2013-01-14 2015-03-18 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
CN113954341B (zh) * 2021-11-03 2023-06-02 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
AU468909B2 (en) 1973-05-24
HU164393B (cs) 1974-02-28
DE2057255A1 (de) 1972-05-25
ES397196A1 (es) 1974-05-01
GB1351973A (en) 1974-05-15
AU3585171A (en) 1973-05-24
CS179959B2 (en) 1977-12-30

Similar Documents

Publication Publication Date Title
BR7309525D0 (pt) Processo e dispositivo aperfeicoados para producao de uma uniao continua e uniforme de fibras
BR6683396D0 (pt) Processo aperfeicoado de reformar uma folha de material fibroso textil
IT994429B (it) Dispositivo per disperdere il mate riale destinato alla produzione di pannelli di trucicli
IT950500B (it) Processo per la lavorazione di materie termoplastiche con carat teristiche di appiccicosita col processo d estrusione soffiaggio a film tubolare
BR7309414D0 (pt) Processo aperfeicoado e dispositivo para a producao de uma lamina tubular de material sintetico termoplastico
BR7107082D0 (pt) Dispositivo para confeccionar folhas tubulares de materia plastica
BE793429A (fr) Appareil de formage de matieres thermoplastiques
BR7304706D0 (pt) Processo e dispositivo para a producao de sacolas ou de tubos de material sinteticos
BR7304532D0 (pt) Processo de homogeneizacao de materias fragmentarias e pulverulentas e dispositivo para sua realizacao
IT967099B (it) Processo per la formatura di mate riale termoplastico espandibile
BR7501276A (pt) Processo para a producao de corpos ocos orientados de material termoplastico e dispositivo para a sua realizacao
BR7107730D0 (pt) Processo para a producao de folhas tubulares de materias sinteticas termoplasticas com contracao definida de volume com auxilio do processo de sopro e dispositivo para execucao do mesmo
BR6912004D0 (pt) Instalacao para a fabricacao de corpos extrusados continuos de materias plasticas expandidas
BR7208284D0 (pt) Processo para fabricacao de materias tanantes a base deprodutos de condensacao
BR7200716D0 (pt) Aperfeicoamentos em dispositivo para achatar e extrudar folhas plasticas tubulares produzidas por meio de sopro
BR7105744D0 (pt) Processo aperfeicoado para moldar artigos por repuxamento profundo de uma folha de material termoplastico e aparelho para sua realizacao
BR6907381D0 (pt) Processo e dispositivo destinado a fabricacao de fibras de vidro ou outras fibras obtidas por meio de materias termoplasticas
BR7400564D0 (pt) Aperfeicoamentos em processo e aparelho para producao de corpos ocos de material sintetico termoplastico
BR7404364D0 (pt) Processo e dispositivo para fabricar artigos termoplasticos extrudados
BR7302632D0 (pt) Processo para pulverizar materias plasticas e elastomeras
IT948654B (it) Procedimento e dispositivo per la produzione di fogli a partire da materiale sintetico termoplastico
BR7017313D0 (pt) Processo e maquina para a fabricacao de corpos ocos de materia termoplastica
BR7301973D0 (pt) Processo e aparelhagem aperfeicoada para formacao de artigos a partir de folhas de material termoplastico
BR7203582D0 (pt) Processo para a preparacao de materias plasticas que apresentam eventualmente grupos isocianato celulares
BR7410590D0 (pt) Processo e dispositivo para a producao de folhas