IT1399743B1 - Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi. - Google Patents

Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi.

Info

Publication number
IT1399743B1
IT1399743B1 ITMI2010A000415A ITMI20100415A IT1399743B1 IT 1399743 B1 IT1399743 B1 IT 1399743B1 IT MI2010A000415 A ITMI2010A000415 A IT MI2010A000415A IT MI20100415 A ITMI20100415 A IT MI20100415A IT 1399743 B1 IT1399743 B1 IT 1399743B1
Authority
IT
Italy
Prior art keywords
cables
distribution
equipment
polyurethane mixture
polyurethane
Prior art date
Application number
ITMI2010A000415A
Other languages
English (en)
Inventor
Carlo Fiorentini
Maurizio Corti
Original Assignee
Afros 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 Afros Spa filed Critical Afros Spa
Priority to ITMI2010A000415A priority Critical patent/IT1399743B1/it
Priority to EP11157960.3A priority patent/EP2366525B1/en
Priority to US13/047,245 priority patent/US8709313B2/en
Publication of ITMI20100415A1 publication Critical patent/ITMI20100415A1/it
Application granted granted Critical
Publication of IT1399743B1 publication Critical patent/IT1399743B1/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
    • 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
    • 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
    • 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
    • B29B7/7433—Plants
    • 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
    • B29B7/7684—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • 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
ITMI2010A000415A 2010-03-15 2010-03-15 Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi. IT1399743B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI2010A000415A IT1399743B1 (it) 2010-03-15 2010-03-15 Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi.
EP11157960.3A EP2366525B1 (en) 2010-03-15 2011-03-11 Method for feeding a polyurethane mixture into hollow bodies
US13/047,245 US8709313B2 (en) 2010-03-15 2011-03-14 Method and apparatus for feeding a polyurethane mixture into hollow bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2010A000415A IT1399743B1 (it) 2010-03-15 2010-03-15 Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi.

Publications (2)

Publication Number Publication Date
ITMI20100415A1 ITMI20100415A1 (it) 2011-09-16
IT1399743B1 true IT1399743B1 (it) 2013-05-03

Family

ID=43466582

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2010A000415A IT1399743B1 (it) 2010-03-15 2010-03-15 Metodo e apparecchiatura per l'erogazione di una miscela poliuretanica in corpi cavi.

Country Status (3)

Country Link
US (1) US8709313B2 (it)
EP (1) EP2366525B1 (it)
IT (1) IT1399743B1 (it)

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KR102074533B1 (ko) * 2012-04-30 2020-02-06 코베스트로 도이칠란드 아게 발포 성형체의 제조 방법
DE202013004202U1 (de) 2013-04-26 2014-08-05 Bayer Materialscience Ag Geschäumter Formkörper
FR3006229B1 (fr) * 2013-05-31 2015-11-06 Faurecia Automotive Composites Dispositif et procede de melange d'au moins deux materiaux thermoplastiques presentant un ratio massique regule
US20150102716A1 (en) * 2013-10-15 2015-04-16 General Electric Company Refrigerator appliance and a method for manufacturing the same
US20170080614A1 (en) * 2015-09-23 2017-03-23 Douglas Lamm System and method for minimally invasive injection foam
IT201600080835A1 (it) * 2016-08-01 2018-02-01 Cannon Spa Metodo ed apparato per la schiumatura di un corpo cavo.
US10830527B2 (en) 2016-08-30 2020-11-10 Whirlpool Corporation Hermetically sealed overmolded plastic thermal bridge breaker with refrigerator cabinet liner and wrapper for vacuum insulation
US20210339445A1 (en) * 2018-10-12 2021-11-04 Covestro Intellectual Property Gmbh & Co. Kg Method and system for improving the production of a cased device
CN108973000B (zh) * 2018-10-19 2021-06-04 宁波凯瑞博人力资源管理服务有限公司 一种泡沫垫板制备用预发泡机
IT201900010524A1 (it) * 2019-07-01 2021-01-01 Afros Spa Testa di miscelazione e dosaggio monitorata
CN112440424B (zh) * 2019-08-27 2022-03-25 海尔智家股份有限公司 冰箱的发泡工艺
CN114829441A (zh) * 2019-12-17 2022-07-29 巴斯夫欧洲公司 制备绝热制品的弹性的发泡方法
IT201900024949A1 (it) * 2019-12-20 2021-06-20 Cannon Spa Metodo e apparecchiatura per erogare una miscela polimerica priva di schizzi
CN111421734B (zh) * 2020-03-06 2022-05-20 青岛海尔电冰箱有限公司 冰箱箱体发泡方法
CN112248348B (zh) * 2020-09-29 2022-09-20 原言(广州)科技有限公司 一种用于家电隔热板材成型装置
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
DE102022125452A1 (de) * 2022-10-04 2024-04-04 Hennecke Gmbh Verfahren zum Herstellen von Bauteilen aus Polyurethan im Schussverfahren

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US4201742A (en) * 1976-07-09 1980-05-06 Ex-Cell-O Corporation Method and apparatus for injection molding foamed resin products having a smooth finish on their surface
IT1109997B (it) 1978-03-09 1985-12-23 Afros Srl Testa per la miscelazione e l'eiezione di componenti liquidi interagenti per lo stampaggio di materiali plastici
US4240999A (en) 1979-04-09 1980-12-23 Igloo Corporation Method for introducing multi-component foam reactants into mold form involving the use of a foaming spacer
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JPS58222831A (ja) * 1982-06-22 1983-12-24 Fujitsu Ltd トランスフア成形装置
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AU2003277672A1 (en) * 2002-11-11 2004-06-03 Sunstar Suisse Sa Method and apparatus for foam molding
ITMI20041609A1 (it) 2004-08-05 2004-11-05 Crios Spa Procedimento ed apparecchiatura per la schiumatura sottovuoto di armadi frigoriferi
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DE102008040598A1 (de) * 2008-07-22 2010-01-28 BSH Bosch und Siemens Hausgeräte GmbH Verfahren zum Ausschäumen eines Hohlkörpers

Also Published As

Publication number Publication date
ITMI20100415A1 (it) 2011-09-16
EP2366525A1 (en) 2011-09-21
US20110221085A1 (en) 2011-09-15
US8709313B2 (en) 2014-04-29
EP2366525B1 (en) 2016-07-27

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