DK0931640T3 - Use of a shot-blending apparatus and discharge of reacting and curing multicomponent plastic in the mold cavity - Google Patents

Use of a shot-blending apparatus and discharge of reacting and curing multicomponent plastic in the mold cavity

Info

Publication number
DK0931640T3
DK0931640T3 DK99101172T DK99101172T DK0931640T3 DK 0931640 T3 DK0931640 T3 DK 0931640T3 DK 99101172 T DK99101172 T DK 99101172T DK 99101172 T DK99101172 T DK 99101172T DK 0931640 T3 DK0931640 T3 DK 0931640T3
Authority
DK
Denmark
Prior art keywords
shot
reacting
discharge
mold cavity
blending apparatus
Prior art date
Application number
DK99101172T
Other languages
Danish (da)
Inventor
Axel Hannemann
Original Assignee
Kloeckner Desma Schuhmaschinen
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 Kloeckner Desma Schuhmaschinen filed Critical Kloeckner Desma Schuhmaschinen
Application granted granted Critical
Publication of DK0931640T3 publication Critical patent/DK0931640T3/en

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/246—Moulding high reactive monomers or prepolymers, e.g. by reaction injection moulding [RIM], liquid injection moulding [LIM]
    • 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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/41—Intermeshing counter-rotating screws
    • 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
    • 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
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
DK99101172T 1998-01-23 1999-01-22 Use of a shot-blending apparatus and discharge of reacting and curing multicomponent plastic in the mold cavity DK0931640T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19802428 1998-01-23

Publications (1)

Publication Number Publication Date
DK0931640T3 true DK0931640T3 (en) 2003-08-25

Family

ID=7855403

Family Applications (1)

Application Number Title Priority Date Filing Date
DK99101172T DK0931640T3 (en) 1998-01-23 1999-01-22 Use of a shot-blending apparatus and discharge of reacting and curing multicomponent plastic in the mold cavity

Country Status (4)

Country Link
EP (1) EP0931640B1 (en)
DE (1) DE59905379D1 (en)
DK (1) DK0931640T3 (en)
PT (1) PT931640E (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1167000A1 (en) * 2000-06-26 2002-01-02 Tema Technopolymers S.r.l. Process for manufacturing articles of polymeric material
DE10122462C1 (en) * 2001-05-09 2002-10-10 3 & Extruder Gmbh Screw extruder has at least three parallel, intermeshing screws and casing with apertures in its side
DE10213022A1 (en) * 2002-03-22 2003-10-02 Hilger & Kern Gmbh Device for mixing at least two liquid components with dry bulk material
DE102008029303A1 (en) * 2008-06-20 2009-12-24 Bayer Technology Services Gmbh Screw elements with improved dispersing effect and low energy input
CN105965714B (en) * 2016-06-17 2024-06-28 东莞市昶丰机械科技有限公司 Novel continuous mixing mill structure
EP4041512A1 (en) * 2019-10-08 2022-08-17 Covestro Intellectual Property GmbH & Co. KG Device for mixing reactive components
CN111921616B (en) * 2020-07-23 2022-02-01 江苏恒峰线缆有限公司 High-performance extrusion device for LDPE (Low-Density polyethylene) film material

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2423764C3 (en) * 1974-05-16 1979-10-18 Bayer Ag, 5090 Leverkusen Process for the continuous production of elastomeric polyurethane ureas
DE3920422A1 (en) * 1989-06-22 1991-01-03 Basf Ag Mixer for synthetic resin reagents - by feed reagents to tapered screws revolving in equal or opposite directions in tapered chamber
US5215859A (en) * 1990-07-26 1993-06-01 Minnesota Mining And Manufacturing Company Backside ionizing irradiation in a flexographic printing plate process
DE4437586A1 (en) * 1994-10-20 1996-04-25 Basf Schwarzheide Gmbh Process for the preparation of thermoplastic polyurethanes
DE19536289C2 (en) * 1995-09-29 1999-01-07 Krupp Werner & Pfleiderer Gmbh Process for performing continuous preparation processes with co-rotating, closely intermeshing twin-screw extruders
JPH10264233A (en) * 1997-03-26 1998-10-06 Japan Steel Works Ltd:The Ultra-high speed twin-screw extruder
JP4030150B2 (en) * 1997-03-31 2008-01-09 東京インキ株式会社 Production method of polymer blend

Also Published As

Publication number Publication date
EP0931640A1 (en) 1999-07-28
PT931640E (en) 2003-09-30
EP0931640B1 (en) 2003-05-07
DE59905379D1 (en) 2003-06-12

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