GB2082496B - Sheet forming - Google Patents

Sheet forming

Info

Publication number
GB2082496B
GB2082496B GB8118773A GB8118773A GB2082496B GB 2082496 B GB2082496 B GB 2082496B GB 8118773 A GB8118773 A GB 8118773A GB 8118773 A GB8118773 A GB 8118773A GB 2082496 B GB2082496 B GB 2082496B
Authority
GB
United Kingdom
Prior art keywords
sheet forming
sheet
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
GB8118773A
Other languages
English (en)
Other versions
GB2082496A (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.)
Bellaplast Maschinenbau GmbH
Original Assignee
Bellaplast Maschinenbau GmbH
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 Bellaplast Maschinenbau GmbH filed Critical Bellaplast Maschinenbau GmbH
Publication of GB2082496A publication Critical patent/GB2082496A/en
Application granted granted Critical
Publication of GB2082496B publication Critical patent/GB2082496B/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • B29C51/422—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential
    • B29C51/423—Heating or cooling of preforms, specially adapted for thermoforming to produce a temperature differential through the thickness of the preform
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/023—Half-products, e.g. films, plates
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • 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
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums
    • 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
    • B29C48/0017—Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
GB8118773A 1980-06-20 1981-06-18 Sheet forming Expired GB2082496B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3023086A DE3023086A1 (de) 1980-06-20 1980-06-20 Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff

Publications (2)

Publication Number Publication Date
GB2082496A GB2082496A (en) 1982-03-10
GB2082496B true GB2082496B (en) 1983-09-14

Family

ID=6105041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8118773A Expired GB2082496B (en) 1980-06-20 1981-06-18 Sheet forming

Country Status (5)

Country Link
CH (1) CH651246A5 (enExample)
DE (1) DE3023086A1 (enExample)
FR (1) FR2484903A1 (enExample)
GB (1) GB2082496B (enExample)
SE (1) SE8103799L (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3843577A1 (de) * 1988-12-23 1990-07-12 Jv Kunststoffwerk Verfahren zur herstellung von formteilen aus kunststoff
DE4034448A1 (de) * 1990-10-30 1992-05-07 Jorge Lakatos Verfahren zur herstellung von behaeltern aus thermoplastischem kunststoff
WO2002022304A1 (de) * 2000-09-13 2002-03-21 Baerlocher Gmbh Werkzeug-oberflächen mit definierter mikrostruktur zur abweisung von ablagerungen
DE102011003604A1 (de) 2011-02-03 2012-08-09 Battenfeld-Cincinnati Germany Gmbh Kühlvorrichtung und Kühlverfahren
US9364107B2 (en) 2013-03-15 2016-06-14 Berry Plastics Corporation Drink cup lid
US10577159B2 (en) 2017-04-07 2020-03-03 Berry Plastics Corporation Drink cup lid
EP3664668B1 (en) * 2017-08-07 2023-06-28 Berry Global, Inc. Method and apparatus for thermoforming an article
USD907997S1 (en) 2018-08-10 2021-01-19 Berry Global, Inc. Drink cup lid
CN109263075A (zh) * 2018-10-18 2019-01-25 深圳市亚美三兄吸塑有限公司 双层吸塑成型一体机及双层板件的一次成型方法
EP3921154B1 (en) 2019-02-06 2025-08-27 Berry Global, Inc. Process of forming polymeric material
WO2020163461A1 (en) 2019-02-06 2020-08-13 Berry Global, Inc. Polypropylene sheets and articles
USD911168S1 (en) 2019-03-05 2021-02-23 Berry Global, Inc. Drink cup lid
US11591140B2 (en) 2019-08-15 2023-02-28 Berry Global, Inc. Drink cup lid
US12084231B2 (en) 2020-08-05 2024-09-10 Berry Global, Inc. Polypropylene sheets and articles
US12441523B2 (en) 2021-07-06 2025-10-14 Berry Global, Inc. Drink cup lid
USD1061244S1 (en) 2021-07-09 2025-02-11 Berry Global, Inc. Drink cup lid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE500474A (enExample) * 1950-01-11 1900-01-01
US3709647A (en) * 1970-10-21 1973-01-09 Clear Pack Co Apparatus for forming an embossed thermoplastic sheet
DE2252219B2 (de) * 1972-10-25 1978-02-16 Bellaplast Gmbh, 6200 Wiesbaden Verfahren und vorrichtung zum herstellen von duennwandigen formlingen aus thermoplastischem kunststoff
DE2527942A1 (de) * 1975-06-23 1977-01-13 Bischof & Klein Verfahren und vorrichtung zur herstellung von selbstklebenden abdeck- und isolierfolien
JPS536367A (en) * 1976-07-06 1978-01-20 Fuji Photo Film Co Ltd Method of producing sheet

Also Published As

Publication number Publication date
FR2484903A1 (fr) 1981-12-24
SE8103799L (sv) 1981-12-21
GB2082496A (en) 1982-03-10
CH651246A5 (de) 1985-09-13
FR2484903B1 (enExample) 1984-12-07
DE3023086A1 (de) 1982-01-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950618