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BR9302788A - Aparelho para insuflar automaticamente uma bolha,processo para a producao automatica de uma bolha e produto - Google Patents

Aparelho para insuflar automaticamente uma bolha,processo para a producao automatica de uma bolha e produto

Info

Publication number
BR9302788A
BR9302788A BR9302788A BR9302788A BR9302788A BR 9302788 A BR9302788 A BR 9302788A BR 9302788 A BR9302788 A BR 9302788A BR 9302788 A BR9302788 A BR 9302788A BR 9302788 A BR9302788 A BR 9302788A
Authority
BR
Brazil
Prior art keywords
bubble
appliance
product
automatic production
insulating
Prior art date
Application number
BR9302788A
Other languages
English (en)
Inventor
John Louis Varadi
Original Assignee
Grace W R & Co
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 Grace W R & Co filed Critical Grace W R & Co
Publication of BR9302788A publication Critical patent/BR9302788A/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
    • 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
    • B29C48/03—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
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
BR9302788A 1992-07-07 1993-07-07 Aparelho para insuflar automaticamente uma bolha,processo para a producao automatica de uma bolha e produto BR9302788A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US90986492A 1992-07-07 1992-07-07

Publications (1)

Publication Number Publication Date
BR9302788A true BR9302788A (pt) 1994-02-16

Family

ID=25427947

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9302788A BR9302788A (pt) 1992-07-07 1993-07-07 Aparelho para insuflar automaticamente uma bolha,processo para a producao automatica de uma bolha e produto

Country Status (6)

Country Link
US (1) US5540881A (pt)
EP (1) EP0578468B1 (pt)
AU (1) AU669897B2 (pt)
BR (1) BR9302788A (pt)
CA (1) CA2077941C (pt)
DE (1) DE69313945T2 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824734B2 (en) * 2001-10-09 2004-11-30 Kimberly-Clark Worldwide, Inc. Method of producing latent elastic, cross-direction-oriented films
US20100007043A1 (en) * 2008-07-14 2010-01-14 Viskase Companies, Inc. Multi-Tube Extrusion Apparatus and Method
US20210146599A1 (en) * 2018-04-10 2021-05-20 Enzpire Industry Company Limited Biaxially oriented tubular blown film stretching machine by isostatic pressurized water

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1002752A (en) * 1961-07-17 1965-08-25 Du Pont Method and apparatus for producing regenerated cellulose film
US4112181A (en) * 1961-12-05 1978-09-05 W. R. Grace & Co. Method for preparing a film of vinylidene chloride polymer
GB1050082A (pt) * 1962-05-08 1900-01-01
FR1351963A (fr) * 1963-03-26 1964-02-07 Procédé et appareil perfectionnés pour la fabrication de matière plastique en feuilles
US3555604A (en) * 1965-03-12 1971-01-19 Union Carbide Corp Biaxial orientation
US3456044A (en) * 1965-03-12 1969-07-15 Heinz Erich Pahlke Biaxial orientation
US3426113A (en) * 1965-12-06 1969-02-04 Polymer Processing Res Inst Biaxial after-stretching of thermoplastic tubular film
GB1282062A (en) * 1969-03-08 1972-07-19 Showa Denko Kk A method and apparatus for manufacturing a biaxially oriented cylindrical film
US3741253A (en) * 1971-03-30 1973-06-26 Grace W R & Co Laminates of ethylene vinyl acetate polymers and polymers of vinylidene chloride
US3960997A (en) * 1971-08-31 1976-06-01 Horsens Plastic A/S Method of manufacturing biaxially stretched shrink foils and an apparatus for carrying the method into effect
JPS5210155A (en) * 1975-07-15 1977-01-26 Nec Corp Production method for multiple exposure hologram
JPS55100124A (en) * 1979-01-27 1980-07-30 Chisso Eng Kk Startup of bi-axial stretching for plastic tube and its apparatus
JPS55150326A (en) * 1979-05-14 1980-11-22 Asahi Chem Ind Co Ltd Automatic blow-up device for resin tube
US4355966A (en) * 1981-05-04 1982-10-26 E. B. Westlake, Jr. Automatic control of bubble size in blown film
DE3119006C2 (de) * 1981-05-13 1983-09-01 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Injizieren von Luft oder Gas in eine Schlauchfolienbahn
JPH0628889B2 (ja) * 1986-11-11 1994-04-20 積水化成品工業株式会社 スチレン系樹脂発泡シ−トの製造方法
GB2201371A (en) * 1987-01-02 1988-09-01 Windmoeller & Hoelscher Apparatus for producing tubular thermoplastic biaxially oriented film
JPS6471727A (en) * 1987-09-11 1989-03-16 Idemitsu Petrochemical Co Method and device for tubular orientation of thermoplastic resin
MX169882B (es) * 1987-11-12 1993-07-29 Kohjin Co Proceso para preparar pelicula estirada y dispositivo para preparar la pelicula

Also Published As

Publication number Publication date
AU4167793A (en) 1994-01-13
AU669897B2 (en) 1996-06-27
EP0578468B1 (en) 1997-09-17
DE69313945T2 (de) 1998-02-12
DE69313945D1 (de) 1997-10-23
CA2077941A1 (en) 1994-01-08
US5540881A (en) 1996-07-30
CA2077941C (en) 2000-06-20
EP0578468A1 (en) 1994-01-12

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
PC Transfer

Free format text: CRYOVAC, INC. (US)

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 07/07/2013