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 PDFInfo
- 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
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)
- Polyurethanes Or Polyureas (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4111458A DE4111458C1 (ro) | 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 (ro) |
DK (1) | DK173953B1 (ro) |
FR (1) | FR2675147A1 (ro) |
GB (1) | GB2254570B (ro) |
IT (1) | IT1254438B (ro) |
Families Citing this family (4)
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)
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 |
-
1991
- 1991-04-09 DE DE4111458A patent/DE4111458C1/de not_active Revoked
-
1992
- 1992-02-12 IT ITMI920287A patent/IT1254438B/it active
- 1992-03-19 FR FR9203291A patent/FR2675147A1/fr active Granted
- 1992-03-30 GB GB9206880A patent/GB2254570B/en not_active Expired - Fee Related
- 1992-04-08 DK DK199200476A patent/DK173953B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2675147B1 (ro) | 1994-04-22 |
DK47692D0 (da) | 1992-04-08 |
FR2675147A1 (fr) | 1992-10-16 |
DK47692A (da) | 1992-10-10 |
ITMI920287A0 (it) | 1992-02-12 |
ITMI920287A1 (it) | 1993-08-12 |
DE4111458C1 (ro) | 1992-08-13 |
GB2254570A (en) | 1992-10-14 |
IT1254438B (it) | 1995-09-25 |
GB2254570B (en) | 1994-08-03 |
GB9206880D0 (en) | 1992-05-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |
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