NL7907131A - Werkwijze voor de vervaardiging van voorwerpen van een kunststof. - Google Patents
Werkwijze voor de vervaardiging van voorwerpen van een kunststof. Download PDFInfo
- Publication number
- NL7907131A NL7907131A NL7907131A NL7907131A NL7907131A NL 7907131 A NL7907131 A NL 7907131A NL 7907131 A NL7907131 A NL 7907131A NL 7907131 A NL7907131 A NL 7907131A NL 7907131 A NL7907131 A NL 7907131A
- Authority
- NL
- Netherlands
- Prior art keywords
- mold
- hollow body
- outer layer
- plastic
- melt
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000004033 plastic Substances 0.000 claims description 23
- 229920003023 plastic Polymers 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 21
- 239000000178 monomer Substances 0.000 claims description 13
- 239000000155 melt Substances 0.000 claims description 12
- 238000005187 foaming Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000004088 foaming agent Substances 0.000 claims description 5
- 239000003380 propellant Substances 0.000 claims description 5
- 239000006261 foam material Substances 0.000 description 5
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000011796 hollow space material Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 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
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/22—Making multilayered or multicoloured articles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT706778A AT360748B (de) | 1978-09-29 | 1978-09-29 | Verfahren zur herstellung von mit einer kompakten aussenschicht versehenen formkoerpern aus geschaeumtem kunststoff |
| AT706778 | 1978-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7907131A true NL7907131A (nl) | 1980-04-01 |
Family
ID=3592413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7907131A NL7907131A (nl) | 1978-09-29 | 1979-09-25 | Werkwijze voor de vervaardiging van voorwerpen van een kunststof. |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | AT360748B (de) |
| BE (1) | BE879101A (de) |
| CH (1) | CH642902A5 (de) |
| DE (1) | DE2939191A1 (de) |
| DK (1) | DK407079A (de) |
| FR (1) | FR2437282A1 (de) |
| GB (1) | GB2034239B (de) |
| IT (1) | IT1193232B (de) |
| NL (1) | NL7907131A (de) |
| SE (1) | SE429829B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4956133A (en) * | 1985-08-19 | 1990-09-11 | Le Roy Payne | Continuous molding apparatus and method |
| US4671753A (en) * | 1985-08-19 | 1987-06-09 | Payne Leroy | Apparatus for molding |
| US4956135A (en) * | 1985-08-19 | 1990-09-11 | Le Roy Payne | Molding apparatus and method |
| US4749533A (en) * | 1985-08-19 | 1988-06-07 | Le Roy Payne | Method of centrifugally molding a composite integral skin structured panel |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1071942B (de) * | 1954-02-09 | 1959-12-24 | Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk | Verfahren zur Herstellung von mit Deckschichten umgebenen Schaumstoff-Körpern auf Polyurethanbasis |
| FR1324927A (fr) * | 1961-10-23 | 1963-04-26 | Quillery | Perfectionnements au moulage des pièces en mousse plastique |
| FR80972E (fr) * | 1961-12-21 | 1963-07-12 | Quillery | Perfectionnements au moulage des pièces en mousse plastique |
| CH462464A (de) * | 1964-10-09 | 1968-09-15 | Basf Ag | Verfahren zum Herstellen von Formkörpern aus Polyamiden |
| NL136484C (de) * | 1964-11-03 | 1900-01-01 | ||
| DE1704381A1 (de) * | 1968-02-28 | 1971-06-16 | Thermovox Gmbh | Rotationsgussverfahren und Vorrichtung zum Herstellen von Hohlkoerpern und offenen Formteilen aus Kunststoffen,und auf diese Weise hergestellte Behaelter und Formteile |
| FR1577329A (de) * | 1968-03-05 | 1969-08-08 | ||
| CA930118A (en) * | 1968-07-11 | 1973-07-17 | H. Lemelson Jerome | Supplying material to mold through tube and providing rotary distribution |
| NL7004981A (nl) * | 1970-04-07 | 1971-10-11 | Wtz Der Lederwarenindustrie Apolda | Werkwijze voor het vervaardigen van tassen, portemonnaies, portefeuilles, etui's en dergelijke voorwerpen en tas, portemonnaie, etui of dergelijke voorwerp, vervaardigd volgens deze werkwijze |
| FR2124267B1 (de) * | 1971-02-10 | 1974-09-13 | Pirelli | |
| DE2236581A1 (de) * | 1972-07-26 | 1974-02-07 | Craemer Press & Stanzwerk | Verfahren zur herstellung von gegenstaenden aus mehreren verbundenen materialschichten, insbesondere kunststoffschichten |
-
1978
- 1978-09-29 AT AT706778A patent/AT360748B/de not_active IP Right Cessation
-
1979
- 1979-09-21 CH CH852779A patent/CH642902A5/de not_active IP Right Cessation
- 1979-09-25 NL NL7907131A patent/NL7907131A/nl not_active Application Discontinuation
- 1979-09-26 FR FR7924931A patent/FR2437282A1/fr active Pending
- 1979-09-27 DE DE19792939191 patent/DE2939191A1/de not_active Ceased
- 1979-09-28 IT IT26117/79A patent/IT1193232B/it active
- 1979-09-28 BE BE6/46953A patent/BE879101A/fr not_active IP Right Cessation
- 1979-09-28 DK DK407079A patent/DK407079A/da not_active Application Discontinuation
- 1979-09-28 SE SE7908066A patent/SE429829B/sv unknown
- 1979-09-28 GB GB7933775A patent/GB2034239B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT360748B (de) | 1981-01-26 |
| GB2034239B (en) | 1982-08-11 |
| IT1193232B (it) | 1988-06-15 |
| SE7908066L (sv) | 1980-03-30 |
| DK407079A (da) | 1980-03-30 |
| FR2437282A1 (fr) | 1980-04-25 |
| DE2939191A1 (de) | 1980-04-03 |
| GB2034239A (en) | 1980-06-04 |
| BE879101A (fr) | 1980-03-28 |
| ATA706778A (de) | 1980-06-15 |
| CH642902A5 (de) | 1984-05-15 |
| IT7926117A0 (it) | 1979-09-28 |
| SE429829B (sv) | 1983-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BT | A notification was added to the application dossier and made available to the public | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |