DK173953B1 - Fremgangsmåde til fremstilling af polyurethanskum samt apparat til udførelse af fremgangsmåden - Google Patents

Fremgangsmåde til fremstilling af polyurethanskum samt apparat til udførelse af fremgangsmåden Download PDF

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Publication number
DK173953B1
DK173953B1 DK199200476A DK47692A DK173953B1 DK 173953 B1 DK173953 B1 DK 173953B1 DK 199200476 A DK199200476 A DK 199200476A DK 47692 A DK47692 A DK 47692A DK 173953 B1 DK173953 B1 DK 173953B1
Authority
DK
Denmark
Prior art keywords
mixing
approx
rpm
auger
polyurethane
Prior art date
Application number
DK199200476A
Other languages
Danish (da)
English (en)
Other versions
DK47692D0 (da
DK47692A (da
Inventor
Guenter Rebers
Wolfgang Cholewczynski
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
Publication of DK47692D0 publication Critical patent/DK47692D0/da
Publication of DK47692A publication Critical patent/DK47692A/da
Application granted granted Critical
Publication of DK173953B1 publication Critical patent/DK173953B1/da

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
    • 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
    • B29B7/424—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with conical screw surrounded by conical casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/40—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
    • B01F31/401—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer for material flowing continuously axially therethrough
    • 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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7404—Mixing devices specially adapted for foamable substances
    • B29B7/7409—Mixing devices specially adapted for foamable substances with supply of gas
    • B29B7/7414—Mixing devices specially adapted for foamable substances with supply of gas with rotatable stirrer, e.g. using an intermeshing rotor-stator system
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/802—Constructions or methods for cleaning the mixing or kneading device
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3442—Mixing, kneading or conveying the foamable material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Polyurethanes Or Polyureas (AREA)
DK199200476A 1991-04-09 1992-04-08 Fremgangsmåde til fremstilling af polyurethanskum samt apparat til udførelse af fremgangsmåden DK173953B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4111458A DE4111458C1 (it) 1991-04-09 1991-04-09
DE4111458 1991-04-09

Publications (3)

Publication Number Publication Date
DK47692D0 DK47692D0 (da) 1992-04-08
DK47692A DK47692A (da) 1992-10-10
DK173953B1 true DK173953B1 (da) 2002-03-04

Family

ID=6429145

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199200476A DK173953B1 (da) 1991-04-09 1992-04-08 Fremgangsmåde til fremstilling af polyurethanskum samt apparat til udførelse af fremgangsmåden

Country Status (5)

Country Link
DE (1) DE4111458C1 (it)
DK (1) DK173953B1 (it)
FR (1) FR2675147A1 (it)
GB (1) GB2254570B (it)
IT (1) IT1254438B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1302527B1 (it) * 1998-12-10 2000-09-05 Main Group Spa Dispositivo per lo stampaggio di materie plastiche per colata.
ITPD20040120A1 (it) * 2004-05-11 2004-08-11 Main Group Spa Dispositivo di pulitura per una camera di miscelazione in bassa pressione particolarmente per poliuretano
EP4041512A1 (de) 2019-10-08 2022-08-17 Covestro Intellectual Property GmbH & Co. KG Vorrichtung zur vermischung reaktiver komponenten
EP4001335A1 (de) 2020-11-18 2022-05-25 Covestro Deutschland AG Verfahren zur herstellung von polyurethan-schaumstoffen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191548B (de) * 1956-07-31 1965-04-22 United Shoe Corp Maschine zum Vermischen von Schaumstoffe bildenden Fluessigkeiten
AT316850B (de) * 1969-12-17 1974-07-25 Semperit Ag Vorrichtung zum chargenweisen Mischen und Fördern

Also Published As

Publication number Publication date
FR2675147A1 (fr) 1992-10-16
FR2675147B1 (it) 1994-04-22
GB9206880D0 (en) 1992-05-13
ITMI920287A0 (it) 1992-02-12
IT1254438B (it) 1995-09-25
GB2254570B (en) 1994-08-03
DK47692D0 (da) 1992-04-08
DK47692A (da) 1992-10-10
GB2254570A (en) 1992-10-14
DE4111458C1 (it) 1992-08-13
ITMI920287A1 (it) 1993-08-12

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Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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