ITMI920287A1 - PROCEDURE FOR THE MANUFACTURE OF EXPANDED POLYURETHANE - Google Patents

PROCEDURE FOR THE MANUFACTURE OF EXPANDED POLYURETHANE

Info

Publication number: ITMI920287A1
Authority: IT; Italy
Prior art keywords: procedure; manufacture; expanded polyurethane; polyurethane; expanded
Prior art date: 1991-04-09

Application number

IT000287A

Other languages

Italian (it)

Inventor

Wolfgang Cholewczynski

Guenter Rebers

Original Assignee

Kloeckner Ferromatik Desma

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.)

1991-04-09

Filing date

1992-02-12

Publication date

1993-08-12

1992-02-12 Application filed by Kloeckner Ferromatik Desma filed Critical Kloeckner Ferromatik Desma

1992-02-12 Publication of ITMI920287A0 publication Critical patent/ITMI920287A0/en

1993-08-12 Publication of ITMI920287A1 publication Critical patent/ITMI920287A1/en

1995-09-25 Application granted granted Critical

1995-09-25 Publication of IT1254438B publication Critical patent/IT1254438B/en

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)

ITMI920287A 1991-04-09 1992-02-12 PROCEDURE FOR THE MANUFACTURE OF EXPANDED POLYURETHANE IT1254438B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number	Publication Date
ITMI920287A0 ITMI920287A0 (en)	1992-02-12
ITMI920287A1 true ITMI920287A1 (en)	1993-08-12
IT1254438B IT1254438B (en)	1995-09-25

Family

ID=6429145

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ITMI920287A IT1254438B (en)	1991-04-09	1992-02-12	PROCEDURE FOR THE MANUFACTURE OF EXPANDED POLYURETHANE

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1302527B1 (en) *	1998-12-10	2000-09-05	Main Group Spa	DEVICE FOR MOLDING OF PLASTIC MATERIALS FOR CASTING.
ITPD20040120A1 (en) *	2004-05-11	2004-08-11	Main Group Spa	CLEANING DEVICE FOR A LOW PRESSURE MIXING CHAMBER, PARTICULARLY FOR POLYURETHANE
EP4041512A1 (en)	2019-10-08	2022-08-17	Covestro Intellectual Property GmbH & Co. KG	Device for mixing reactive components
EP4001335A1 (en)	2020-11-18	2022-05-25	Covestro Deutschland AG	Method for producing polyurethane foams

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1191548B (en) *	1956-07-31	1965-04-22	United Shoe Corp	Machine for mixing foaming fluids
AT316850B (en) *	1969-12-17	1974-07-25	Semperit Ag	Device for batch mixing and conveying

1991
- 1991-04-09 DE DE4111458A patent/DE4111458C1/de not_active Revoked
1992
- 1992-02-12 IT ITMI920287A patent/IT1254438B/en active
- 1992-03-19 FR FR9203291A patent/FR2675147A1/en active Granted
- 1992-03-30 GB GB9206880A patent/GB2254570B/en not_active Expired - Fee Related
- 1992-04-08 DK DK199200476A patent/DK173953B1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
ITMI920287A0 (en)	1992-02-12
FR2675147A1 (en)	1992-10-16
DE4111458C1 (en)	1992-08-13
DK47692A (en)	1992-10-10
GB2254570A (en)	1992-10-14
GB9206880D0 (en)	1992-05-13
DK47692D0 (en)	1992-04-08
FR2675147B1 (en)	1994-04-22
IT1254438B (en)	1995-09-25
DK173953B1 (en)	2002-03-04
GB2254570B (en)	1994-08-03

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