GB992559A - An improved mechanism for forming re-entrant lateral folds in seamless flexible tubing - Google Patents

An improved mechanism for forming re-entrant lateral folds in seamless flexible tubing

Info

Publication number
GB992559A
GB992559A GB16145/62A GB1614562A GB992559A GB 992559 A GB992559 A GB 992559A GB 16145/62 A GB16145/62 A GB 16145/62A GB 1614562 A GB1614562 A GB 1614562A GB 992559 A GB992559 A GB 992559A
Authority
GB
United Kingdom
Prior art keywords
rollers
tubing
plates
tube
forming
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
GB16145/62A
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.)
ALFRED WINDMOLLER
Original Assignee
ALFRED WINDMOLLER
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 ALFRED WINDMOLLER filed Critical ALFRED WINDMOLLER
Publication of GB992559A publication Critical patent/GB992559A/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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/10—Bending or folding of blown tubular films, e.g. gusseting
    • 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
    • B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
    • B29C48/0014—Extrusion moulding in several steps, i.e. components merging outside the die producing flat articles having components brought in contact outside the extrusion die
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
GB16145/62A 1961-05-02 1962-04-27 An improved mechanism for forming re-entrant lateral folds in seamless flexible tubing Expired GB992559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW29915A DE1219210B (de) 1961-05-02 1961-05-02 Vorrichtung zum Einlegen von Seitenfalten in nahtlose Schlaeuche aus Kunststoff in Beutelmaschinen

Publications (1)

Publication Number Publication Date
GB992559A true GB992559A (en) 1965-05-19

Family

ID=7599365

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16145/62A Expired GB992559A (en) 1961-05-02 1962-04-27 An improved mechanism for forming re-entrant lateral folds in seamless flexible tubing

Country Status (2)

Country Link
DE (1) DE1219210B (de)
GB (1) GB992559A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199916A (en) * 1986-11-25 1988-07-20 Windmoeller & Hoelscher Apparatus for forming a flexible tube from a single-ply or multi-ply web
WO2008119570A2 (de) * 2007-04-03 2008-10-09 Windmöller & Hölscher Kg Einrichtung zum flachlegen eines folienschlauches zu einem flachmaterial

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421680C1 (de) * 1984-06-09 1985-10-17 Reifenhäuser GmbH & Co Maschinenfabrik, 5210 Troisdorf Vorrichtung zum Flachlegen von Blasfolienschlaeuchen
DE4302904A1 (de) * 1993-02-02 1994-08-04 Johann Berger Verfahren und Vorrichtung zur Herstellung eines textilen Hohlkörpers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL86373C (de) * 1948-07-14 1900-01-01
GB741906A (en) * 1953-06-04 1955-12-14 Theodore Willard Keller Improvements relating to machines for making tubing from sheet material
GB775726A (en) * 1954-06-08 1957-05-29 Sig Schweiz Industrieges A method and a device for opening up tubes of flexible materials

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2199916A (en) * 1986-11-25 1988-07-20 Windmoeller & Hoelscher Apparatus for forming a flexible tube from a single-ply or multi-ply web
GB2199916B (en) * 1986-11-25 1990-10-24 Windmoeller & Hoelscher Apparatus for forming a flexible tube from a single-ply or multi-ply web
WO2008119570A2 (de) * 2007-04-03 2008-10-09 Windmöller & Hölscher Kg Einrichtung zum flachlegen eines folienschlauches zu einem flachmaterial
WO2008119570A3 (de) * 2007-04-03 2008-12-04 Windmoeller & Hoelscher Einrichtung zum flachlegen eines folienschlauches zu einem flachmaterial

Also Published As

Publication number Publication date
DE1219210B (de) 1966-06-16

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