IT201900024949A1 - Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi - Google Patents

Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi

Info

Publication number
IT201900024949A1
IT201900024949A1 IT102019000024949A IT201900024949A IT201900024949A1 IT 201900024949 A1 IT201900024949 A1 IT 201900024949A1 IT 102019000024949 A IT102019000024949 A IT 102019000024949A IT 201900024949 A IT201900024949 A IT 201900024949A IT 201900024949 A1 IT201900024949 A1 IT 201900024949A1
Authority
IT
Italy
Prior art keywords
delivering
split
equipment
polymer blend
free polymer
Prior art date
Application number
IT102019000024949A
Other languages
English (en)
Inventor
Marco Volpato
Maurizio Corti
Samuele Zampini
Original Assignee
Cannon Spa
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 Cannon Spa filed Critical Cannon Spa
Priority to IT102019000024949A priority Critical patent/IT201900024949A1/it
Priority to EP20215835.8A priority patent/EP3838567A1/en
Priority to CN202011519644.3A priority patent/CN113001866B/zh
Publication of IT201900024949A1 publication Critical patent/IT201900024949A1/it

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
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7471—Mixers in which the mixing takes place at the inlet of a mould, e.g. mixing chambers situated in the mould opening
    • 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
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7615—Mixers with stream-impingement mixing head characterised by arrangements for controlling, measuring or regulating, e.g. for feeding or proportioning the components
    • 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
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7663—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube
    • B29B7/7668—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube having a second tube intersecting the first one with the jets impinging in the second tube
    • 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
    • B29B7/76—Mixers with stream-impingement mixing head
    • B29B7/7663—Mixers with stream-impingement mixing head the mixing head having an outlet tube with a reciprocating plunger, e.g. with the jets impinging in the tube
    • B29B7/7684—Parts; Accessories
    • B29B7/7689—Plunger constructions
    • B29B7/7694—Plunger constructions comprising recirculation channels; ducts formed in the plunger
    • 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
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/042—Feeding of the material to be moulded, e.g. into a mould cavity using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/24—Feeding the material into the mould
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/025—Foaming in open moulds, followed by closing the moulds
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/40—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length by gravity, e.g. by casting
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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
    • B29C44/60—Measuring, controlling or regulating
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
IT102019000024949A 2019-12-20 2019-12-20 Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi IT201900024949A1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT102019000024949A IT201900024949A1 (it) 2019-12-20 2019-12-20 Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi
EP20215835.8A EP3838567A1 (en) 2019-12-20 2020-12-18 Method and apparatus for pouring a spatter free polymeric mixture
CN202011519644.3A CN113001866B (zh) 2019-12-20 2020-12-21 用于浇注无飞溅物的聚合物混合物的方法和设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102019000024949A IT201900024949A1 (it) 2019-12-20 2019-12-20 Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi

Publications (1)

Publication Number Publication Date
IT201900024949A1 true IT201900024949A1 (it) 2021-06-20

Family

ID=70228512

Family Applications (1)

Application Number Title Priority Date Filing Date
IT102019000024949A IT201900024949A1 (it) 2019-12-20 2019-12-20 Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi

Country Status (3)

Country Link
EP (1) EP3838567A1 (it)
CN (1) CN113001866B (it)
IT (1) IT201900024949A1 (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113878785B (zh) * 2021-10-11 2024-03-19 长虹美菱股份有限公司 一种注料枪头及具有其的冰箱柜聚氨酯注料系统
CN114770851B (zh) * 2022-04-12 2024-02-06 长虹美菱股份有限公司 一种冰箱门体的发泡注料方法

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975128A (en) 1973-05-29 1976-08-17 Krauss-Maffei Aktiengesellschaft System for filling a mold with reactive synthetic-resin components
US4096585A (en) 1976-05-17 1978-06-20 Afros S.R.L. Apparatus for mixing and ejecting interacting fluid materials
US4098585A (en) 1976-06-07 1978-07-04 Texaco Inc. Amine-alkenylsuccinic acid or anhydride reaction product
US4175874A (en) 1976-10-12 1979-11-27 Elastogran Maschinenbau Gmbh & Co. High pressure injection mixing head for multi-component plastics, particularly polyurethane
US4332335A (en) 1978-03-09 1982-06-01 Afros S.R.L. Head for mixing and ejecting interacting liquid components, for molding plastic materials
EP0230921A2 (en) * 1986-01-21 1987-08-05 Afros S.P.A. Method and apparatus for foaming insulations in refrigerators and the like
US4726933A (en) * 1985-10-08 1988-02-23 Admiral Equipment Company High pressure mixing head and reactive component injection valve
US4966466A (en) * 1987-11-10 1990-10-30 Krauss-Maffei A.G. Impingement mixing device with pressure controlled nozzle adjustment
US6079867A (en) 1997-05-22 2000-06-27 Afros S.P.A. Self-cleaning, mixing apparatus and method for the production of polyurethane formulations
EP2366525A1 (en) * 2010-03-15 2011-09-21 Afros S.P.A. Method and apparatus for feeding a polyurethane mixture into hollow bodies

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1201619A (en) * 1966-09-13 1970-08-12 Upjohn Co Apparatus for the production of polyurethane foam
DE2513492C3 (de) * 1975-03-26 1980-02-21 The Upjohn Co., Kalamazoo, Mich. (V.St.A.) Vorrichtung zum Vermischen eines flüssigen Treibmittels mit niedrigem Siedepunkt mit weiteren Komponenten zur Herstellung von Schaumstoff
US4440500A (en) * 1982-06-21 1984-04-03 Polyurethane Technology Of America-Martin Sweets Company, Inc. High pressure impingement mixing apparatus
DE3437533A1 (de) * 1984-10-12 1986-04-17 Jakob 5212 Troisdorf Knoben Verfahren und vorrichtung zum spritzen, giessen und/oder rohrbeschichten eines fuellstoffe enthaltenden, erhaertenden kunststoffs
US5163584A (en) * 1990-12-18 1992-11-17 Polyfoam Products, Inc. Method and apparatus for mixing and dispensing foam with injected low pressure gas
IT1277651B1 (it) * 1995-09-25 1997-11-11 Afros Spa Procedimento e apparecchiatura di miscelazione ad alta pressione, per la produzione di schiume poliuretaniche pre-espanse
GB2433928B (en) * 2006-01-07 2009-10-14 Shane Richard Wootton Apparatus for producing material by a chemical reaction
US7891861B2 (en) * 2007-09-20 2011-02-22 Fujifilm Corporation Mixing method and mixer for mixing polymer dope, and solution casting process and apparatus
EP2318190B1 (en) * 2009-04-22 2012-03-28 Panasonic Corporation Mixing discharge device
ITMI20110892A1 (it) * 2011-05-19 2012-11-20 Afros Spa Apparecchiatura autopulente di miscelazione ad alta pressione per materiale composito
CN107848167A (zh) * 2015-08-04 2018-03-27 科思创德国股份有限公司 用于涂覆发泡反应混合物的浇铸设备
IT201600080835A1 (it) * 2016-08-01 2018-02-01 Cannon Spa Metodo ed apparato per la schiumatura di un corpo cavo.
CN108242300B (zh) * 2017-11-28 2024-04-05 广东福德电子有限公司 一种自动调速的电阻器灌砂装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975128A (en) 1973-05-29 1976-08-17 Krauss-Maffei Aktiengesellschaft System for filling a mold with reactive synthetic-resin components
US4096585A (en) 1976-05-17 1978-06-20 Afros S.R.L. Apparatus for mixing and ejecting interacting fluid materials
US4098585A (en) 1976-06-07 1978-07-04 Texaco Inc. Amine-alkenylsuccinic acid or anhydride reaction product
US4175874A (en) 1976-10-12 1979-11-27 Elastogran Maschinenbau Gmbh & Co. High pressure injection mixing head for multi-component plastics, particularly polyurethane
US4332335A (en) 1978-03-09 1982-06-01 Afros S.R.L. Head for mixing and ejecting interacting liquid components, for molding plastic materials
US4726933A (en) * 1985-10-08 1988-02-23 Admiral Equipment Company High pressure mixing head and reactive component injection valve
EP0230921A2 (en) * 1986-01-21 1987-08-05 Afros S.P.A. Method and apparatus for foaming insulations in refrigerators and the like
US4966466A (en) * 1987-11-10 1990-10-30 Krauss-Maffei A.G. Impingement mixing device with pressure controlled nozzle adjustment
US6079867A (en) 1997-05-22 2000-06-27 Afros S.P.A. Self-cleaning, mixing apparatus and method for the production of polyurethane formulations
EP2366525A1 (en) * 2010-03-15 2011-09-21 Afros S.P.A. Method and apparatus for feeding a polyurethane mixture into hollow bodies

Also Published As

Publication number Publication date
CN113001866B (zh) 2024-06-11
EP3838567A1 (en) 2021-06-23
CN113001866A (zh) 2021-06-22

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