GB1399744A - Method and apparatus for making sheets and tubes for forming into bags - Google Patents

Method and apparatus for making sheets and tubes for forming into bags

Info

Publication number
GB1399744A
GB1399744A GB3083472A GB3083472A GB1399744A GB 1399744 A GB1399744 A GB 1399744A GB 3083472 A GB3083472 A GB 3083472A GB 3083472 A GB3083472 A GB 3083472A GB 1399744 A GB1399744 A GB 1399744A
Authority
GB
United Kingdom
Prior art keywords
tube
extrusion
sheet
orifice
passage
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
GB3083472A
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.)
MINIGRIP LONDON Ltd
Original Assignee
MINIGRIP LONDON 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 MINIGRIP LONDON Ltd filed Critical MINIGRIP LONDON Ltd
Publication of GB1399744A publication Critical patent/GB1399744A/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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • 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
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29L2023/003—Tubular articles having irregular or rough surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
GB3083472A 1971-06-30 1972-06-30 Method and apparatus for making sheets and tubes for forming into bags Expired GB1399744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7123943A FR2143587B1 (enExample) 1971-06-30 1971-06-30

Publications (1)

Publication Number Publication Date
GB1399744A true GB1399744A (en) 1975-07-02

Family

ID=9079617

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3083472A Expired GB1399744A (en) 1971-06-30 1972-06-30 Method and apparatus for making sheets and tubes for forming into bags

Country Status (6)

Country Link
US (1) US3841816A (enExample)
BE (1) BE785716A (enExample)
DE (1) DE2231583C3 (enExample)
FR (1) FR2143587B1 (enExample)
GB (1) GB1399744A (enExample)
LU (1) LU65616A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247422A (en) * 1990-08-27 1992-03-04 Siv Deutschland Gmbh A nozzle for extruding a polyurethane bead

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5586720A (en) * 1978-12-25 1980-06-30 Chisso Eng Kk Manufacturing device for plastic tubular film
DE3011371C2 (de) * 1979-03-30 1985-03-14 Union Carbide Corp., New York, N.Y. Extrudiervorrichtung zur Herstellung von Verschlußstreifen aus Kunststoff
DE3414234A1 (de) * 1984-04-14 1985-10-24 Basf Ag, 6700 Ludwigshafen Verfahren und vorrichtung zur herstellung blasgeformter hohlkoerper aus thermoplastischen kunststoffen
US4822539A (en) * 1987-09-14 1989-04-18 Minigrip, Inc. Method of and apparatus for extruding bag making material having fastener profiles and alignment ribs, with reinforcing and stabilizing beam effect ridge means
GB8809401D0 (en) * 1988-04-21 1988-05-25 Roeder Ind Holdings Reclosable fasteners methods & apparatus for producing fastener profiles & products incorporating same
US5496164A (en) * 1994-10-20 1996-03-05 The Conair Group, Inc. In-line tubing die
KR20010081220A (ko) * 2000-02-11 2001-08-29 호메 윌리암 비례 조절 가스 밸브
DE10204897B4 (de) * 2002-02-06 2006-03-23 Windmöller & Hölscher Kg Blaskopf zum Extrudieren von Folien mit Spannelementen, die Leitungen für Kühlluft enthalten
US6994535B2 (en) * 2002-06-27 2006-02-07 S.C. Johnson Home Storage, Inc. Method and apparatus for forming a guide rib on a section of plastic film
US20040001651A1 (en) * 2002-06-27 2004-01-01 Pawloski James C. Closure device for a reclosable pouch
US7137736B2 (en) 2003-05-19 2006-11-21 S.C. Johnson Home Storage, Inc. Closure device for a reclosable pouch
US20040234171A1 (en) * 2003-05-19 2004-11-25 Dais Brian C. Reclosable pouch with closure device that allows venting and/or an air-tight seal
US20040256761A1 (en) * 2003-06-17 2004-12-23 Pawloski James C. Method of and apparatus for producing a reclosable pouch
US7850368B2 (en) 2004-06-04 2010-12-14 S.C. Johnson & Son, Inc. Closure device for a reclosable pouch
US7494333B2 (en) 2004-06-04 2009-02-24 S.C. Johnson Home Storage, Inc. Apparatus for forming multiple closure elements
US7419300B2 (en) 2004-06-16 2008-09-02 S.C. Johnson Home Storage, Inc. Pouch having fold-up handles
US20090028469A1 (en) * 2007-07-24 2009-01-29 Illinois Tool Works Inc. Method to accurately control size, velocity, and relative position sets of reclosable mechanism
CN103042687A (zh) * 2013-01-18 2013-04-17 王根乐 吹膜机的基座与风机分流箱的一体化结构

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072962A (en) * 1960-06-20 1963-01-15 American Viscose Corp Film extrusion nozzle
FR1286216A (fr) * 1960-04-11 1962-03-02 Seisan Nipponsha Kk Procédé et appareil pour la fabrication de sacs en résine synthétique comportant un dispositif de fermeture
DE1286295B (de) * 1962-05-23 1969-01-02 Seisan Nipponsha Kk Spritzkopf zum kontinuierlichen Ausspritzen von Kunststoff, zum Herstellen einer zur Bildung von Kunststoffbeuteln dienenden Schlauchfolie mit Profilleisten fuer den Beutelverschluss
NL299295A (enExample) * 1962-10-17 1900-01-01
US3320340A (en) * 1964-07-20 1967-05-16 Minigrip Inc Controlled cooling of extruded plastic
DE1479151B2 (de) * 1965-08-27 1972-02-17 Etimex Kunststoffwerke Gmbh, 7000 Stuttgart Strangpresskopf zum herstellen einer offenen oder schlauchfoer migen kunststoffbahn mit einseitig angeordneten verschluss rippen
BE759943Q (fr) * 1967-05-03 1971-05-17 Flexico France Sarl Procede et dispositif pour la fabrication d'un tube en matiere plastique avec un cordon de dechirement incorpore et emballages ou sachets fabriques avec de tels tubes
DE1704769C3 (de) * 1967-10-14 1974-05-22 Minigrip Europ As Strangpresskopf zum kontinuierlichen Ausspritzen einer Kunststoffolie,die mit zwei in Spritzrichtung verlaufenden Verschlussleisten versehen ist
US3597795A (en) * 1968-10-07 1971-08-10 Kakuji Naito Die head for the continuous extrusion of plastic film with profiles for a closure for use in plastic bags
US3700370A (en) * 1970-03-02 1972-10-24 Dow Chemical Co Film size control apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247422A (en) * 1990-08-27 1992-03-04 Siv Deutschland Gmbh A nozzle for extruding a polyurethane bead
GB2247422B (en) * 1990-08-27 1994-09-14 Siv Deutschland Gmbh Nozzle for extruding a profiled polyurethane bead

Also Published As

Publication number Publication date
FR2143587A1 (enExample) 1973-02-09
US3841816A (en) 1974-10-15
DE2231583C3 (de) 1981-07-23
FR2143587B1 (enExample) 1974-03-22
LU65616A1 (enExample) 1973-07-18
DE2231583A1 (de) 1973-01-11
BE785716A (fr) 1973-01-02
DE2231583B2 (de) 1980-12-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years