IT1200427B - Procedimento ed impianto per lo stampaggio di pezzi in materiale plastico espanso,con parti o inserti preformati a spruzzo nello stesso stampo di formatura - Google Patents

Procedimento ed impianto per lo stampaggio di pezzi in materiale plastico espanso,con parti o inserti preformati a spruzzo nello stesso stampo di formatura

Info

Publication number
IT1200427B
IT1200427B IT20021/85A IT2002185A IT1200427B IT 1200427 B IT1200427 B IT 1200427B IT 20021/85 A IT20021/85 A IT 20021/85A IT 2002185 A IT2002185 A IT 2002185A IT 1200427 B IT1200427 B IT 1200427B
Authority
IT
Italy
Prior art keywords
inserts
spray
molding
plant
pieces
Prior art date
Application number
IT20021/85A
Other languages
English (en)
Other versions
IT8520021A0 (it
Inventor
Carlo Fiorentini
Peter Martin
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 IT20021/85A priority Critical patent/IT1200427B/it
Publication of IT8520021A0 publication Critical patent/IT8520021A0/it
Priority to EP86902378A priority patent/EP0216881A1/en
Priority to PCT/EP1986/000163 priority patent/WO1986005439A1/en
Application granted granted Critical
Publication of IT1200427B publication Critical patent/IT1200427B/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
    • B29C44/02—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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • B29C44/0476—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other by pouring more than one composition into an open 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0492—Devices for feeding the different materials
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/887—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced locally reinforced, e.g. by fillers
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0025—Applying surface layers, e.g. coatings, decorative layers, printed layers, to articles during shaping, e.g. in-mould printing
    • B29C37/0028—In-mould coating, e.g. by introducing the coating material into the mould after forming the article
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
    • 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
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • 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
    • B29L2031/751—Mattresses, cushions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT20021/85A 1985-03-22 1985-03-22 Procedimento ed impianto per lo stampaggio di pezzi in materiale plastico espanso,con parti o inserti preformati a spruzzo nello stesso stampo di formatura IT1200427B (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT20021/85A IT1200427B (it) 1985-03-22 1985-03-22 Procedimento ed impianto per lo stampaggio di pezzi in materiale plastico espanso,con parti o inserti preformati a spruzzo nello stesso stampo di formatura
EP86902378A EP0216881A1 (en) 1985-03-22 1986-03-20 Moulding method for articles of foamed plastic material
PCT/EP1986/000163 WO1986005439A1 (en) 1985-03-22 1986-03-20 Moulding method for articles of foamed plastic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20021/85A IT1200427B (it) 1985-03-22 1985-03-22 Procedimento ed impianto per lo stampaggio di pezzi in materiale plastico espanso,con parti o inserti preformati a spruzzo nello stesso stampo di formatura

Publications (2)

Publication Number Publication Date
IT8520021A0 IT8520021A0 (it) 1985-03-22
IT1200427B true IT1200427B (it) 1989-01-18

Family

ID=11163187

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20021/85A IT1200427B (it) 1985-03-22 1985-03-22 Procedimento ed impianto per lo stampaggio di pezzi in materiale plastico espanso,con parti o inserti preformati a spruzzo nello stesso stampo di formatura

Country Status (3)

Country Link
EP (1) EP0216881A1 (it)
IT (1) IT1200427B (it)
WO (1) WO1986005439A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393781B1 (en) * 1989-04-20 1995-02-08 ZAMBON GROUP S.p.A. Dopamine pro-drug
ES2739536T3 (es) 2014-10-21 2020-01-31 Abbvie Inc Profármacos de carbidopa y L-dopa y su uso para tratar la enfermedad de Parkinson
DE102015223961A1 (de) * 2015-12-02 2017-06-08 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur wahlweisen Herstellung einer ersten bzw. einer zweiten Variante eines mehrschichtigen Kunststoffbauteils
TW202031265A (zh) 2018-11-15 2020-09-01 美商艾伯維有限公司 用於皮下投藥之醫藥調配物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795722A (en) * 1970-10-02 1974-03-05 Goodyear Tire & Rubber Method of making a skin covered foam article and said article
BE785866A (fr) * 1971-07-06 1973-01-05 Bayer Ag Rembourrage de protection pour automobile
DE3102140A1 (de) * 1981-01-23 1982-08-19 Bayer Ag, 5090 Leverkusen Formteil, insbesondere polster fuer fahrzeugsitze, aus polyurethanschaumstoff mit zonen unterschiedlicher eindruckhaerte und verfahren zu seiner herstellung
DE3110303C2 (de) * 1981-03-17 1984-05-17 Herbert Dr.-Ing. 8032 Lochham Funck Verfahren und Vorrichtung zum Herstellen von mehrschichtigen Formkörpern aus mindestens zwei PUR-Schaumsystemen
CA1194660A (en) * 1981-06-27 1985-10-08 Rudolf J. Tenhagen Process for making polyurethane foam

Also Published As

Publication number Publication date
EP0216881A1 (en) 1987-04-08
IT8520021A0 (it) 1985-03-22
WO1986005439A1 (en) 1986-09-25

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