IT1200427B - PROCESS AND PLANT FOR THE MOLDING OF PIECES IN EXPANDED PLASTIC MATERIAL, WITH SPRAY PREFORMED PARTS OR INSERTS IN THE SAME FORMING MOLD - Google Patents
PROCESS AND PLANT FOR THE MOLDING OF PIECES IN EXPANDED PLASTIC MATERIAL, WITH SPRAY PREFORMED PARTS OR INSERTS IN THE SAME FORMING MOLDInfo
- 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
Links
- 239000000463 material Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000465 moulding Methods 0.000 title 1
- 239000007921 spray Substances 0.000 title 1
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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20021/85A IT1200427B (en) | 1985-03-22 | 1985-03-22 | PROCESS AND PLANT FOR THE MOLDING OF PIECES IN EXPANDED PLASTIC MATERIAL, WITH SPRAY PREFORMED PARTS OR INSERTS IN THE SAME FORMING MOLD |
PCT/EP1986/000163 WO1986005439A1 (en) | 1985-03-22 | 1986-03-20 | Moulding method for articles of foamed plastic material |
EP86902378A EP0216881A1 (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 (en) | 1985-03-22 | 1985-03-22 | PROCESS AND PLANT FOR THE MOLDING OF PIECES IN EXPANDED PLASTIC MATERIAL, WITH SPRAY PREFORMED PARTS OR INSERTS IN THE SAME FORMING MOLD |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8520021A0 IT8520021A0 (en) | 1985-03-22 |
IT1200427B true IT1200427B (en) | 1989-01-18 |
Family
ID=11163187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20021/85A IT1200427B (en) | 1985-03-22 | 1985-03-22 | PROCESS AND PLANT FOR THE MOLDING OF PIECES IN EXPANDED PLASTIC MATERIAL, WITH SPRAY PREFORMED PARTS OR INSERTS IN THE SAME FORMING MOLD |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0216881A1 (en) |
IT (1) | IT1200427B (en) |
WO (1) | WO1986005439A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69016688T2 (en) * | 1989-04-20 | 1995-10-05 | Zambon Spa | Dopamine drug precursor. |
CN111454290B (en) | 2014-10-21 | 2022-12-23 | 艾伯维公司 | Carbidopa and levodopa prodrugs and their use for treating parkinson's disease |
DE102015223961A1 (en) * | 2015-12-02 | 2017-06-08 | Bayerische Motoren Werke Aktiengesellschaft | Method for selectively producing a first or a second variant of a multilayer plastic component |
Family Cites Families (5)
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 (en) * | 1971-07-06 | 1973-01-05 | Bayer Ag | AUTOMOTIVE PROTECTIVE PADDING |
DE3102140A1 (en) * | 1981-01-23 | 1982-08-19 | Bayer Ag, 5090 Leverkusen | MOLDED PART, ESPECIALLY UPHOLSTERY FOR VEHICLE SEATS, MADE OF POLYURETHANE FOAM WITH ZONES OF DIFFERENT IMPRESSION HARDNESS, AND METHOD FOR THE PRODUCTION THEREOF |
DE3110303C2 (en) * | 1981-03-17 | 1984-05-17 | Herbert Dr.-Ing. 8032 Lochham Funck | Method and device for the production of multi-layer moldings from at least two PUR foam systems |
CA1194660A (en) * | 1981-06-27 | 1985-10-08 | Rudolf J. Tenhagen | Process for making polyurethane foam |
-
1985
- 1985-03-22 IT IT20021/85A patent/IT1200427B/en active
-
1986
- 1986-03-20 EP EP86902378A patent/EP0216881A1/en not_active Withdrawn
- 1986-03-20 WO PCT/EP1986/000163 patent/WO1986005439A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO1986005439A1 (en) | 1986-09-25 |
EP0216881A1 (en) | 1987-04-08 |
IT8520021A0 (en) | 1985-03-22 |
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