DE2847870C2 - - Google Patents

Info

Publication number
DE2847870C2
DE2847870C2 DE19782847870 DE2847870A DE2847870C2 DE 2847870 C2 DE2847870 C2 DE 2847870C2 DE 19782847870 DE19782847870 DE 19782847870 DE 2847870 A DE2847870 A DE 2847870A DE 2847870 C2 DE2847870 C2 DE 2847870C2
Authority
DE
Germany
Prior art keywords
screw
container
oriented
fresh resin
film material
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
DE19782847870
Other languages
German (de)
English (en)
Other versions
DE2847870A1 (de
Inventor
Jack Foster Godfrey
Charles Lewis Hazlehurst Ga. Us Grant
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.)
BP Corp North America Inc
Original Assignee
BP Corp North America Inc
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 BP Corp North America Inc filed Critical BP Corp North America Inc
Publication of DE2847870A1 publication Critical patent/DE2847870A1/de
Application granted granted Critical
Publication of DE2847870C2 publication Critical patent/DE2847870C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B29B7/603—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material in measured doses, e.g. proportioning of several materials
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/286—Raw material dosing
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fibrous, filamentary or filling materials, e.g. thin fibrous reinforcements or fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
DE19782847870 1977-11-04 1978-11-03 Verfahren und vorrichtung zum erneuten verarbeiten orientierten und nicht orientierten filmmaterials bei einer extrudieranlage Granted DE2847870A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84874277A 1977-11-04 1977-11-04

Publications (2)

Publication Number Publication Date
DE2847870A1 DE2847870A1 (de) 1979-05-10
DE2847870C2 true DE2847870C2 (fr) 1989-04-20

Family

ID=25304151

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782847870 Granted DE2847870A1 (de) 1977-11-04 1978-11-03 Verfahren und vorrichtung zum erneuten verarbeiten orientierten und nicht orientierten filmmaterials bei einer extrudieranlage

Country Status (5)

Country Link
AU (1) AU520393B2 (fr)
BR (1) BR7807260A (fr)
CA (1) CA1105221A (fr)
DE (1) DE2847870A1 (fr)
GB (1) GB2008421B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501170A1 (de) * 1995-01-09 1996-07-11 Wolfgang Uhlmann Verfahren zur direkten Zuführung und Verarbeitung von thermoplastischen Folienschnitzeln in einem Extruder ohne vorherige Agglomerierung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU551885B2 (en) * 1983-11-15 1986-05-15 Yoshida Kogyo K.K. Recovery of scrap thermoplastics
CH663178A5 (de) * 1984-07-12 1987-11-30 Gottlieb Looser Verfahren zur rueckfuehrung von thermoplastfolienabfall, vorrichtung zur durchfuehrung des verfahrens und extruder mit einer solchen vorrichtung.
IE980079A1 (en) * 1998-02-06 1999-08-11 Athlone Extrusions Dev Ltd Production of Plastics Sheet Material
DE102005043867A1 (de) * 2005-09-12 2007-03-15 Reimelt Henschel Mischsysteme Gmbh Vorrichtung an einem Extruder zur Seiteneinspeisung von Füllstoffen
CN110435043B (zh) * 2019-07-11 2021-08-06 临沂鸿泰塑业有限公司 一种农膜回收造粒生产线及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797702A (en) * 1971-03-29 1974-03-19 J Robertson Scrap recovery and feed system
US3976730A (en) * 1972-03-23 1976-08-24 Deerfield Plastics Co., Inc. Method of employing a high percentage of reground thermoplastic scrap resin in an extruder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19501170A1 (de) * 1995-01-09 1996-07-11 Wolfgang Uhlmann Verfahren zur direkten Zuführung und Verarbeitung von thermoplastischen Folienschnitzeln in einem Extruder ohne vorherige Agglomerierung

Also Published As

Publication number Publication date
DE2847870A1 (de) 1979-05-10
AU520393B2 (en) 1982-01-28
BR7807260A (pt) 1979-06-12
GB2008421B (en) 1982-06-30
AU4116778A (en) 1980-05-08
GB2008421A (en) 1979-06-06
CA1105221A (fr) 1981-07-21

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: SPOTT, G., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 800

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: AMOCO CORP., CHICAGO, ILL., US

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee