CA1028460A - Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular core - Google Patents
Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular coreInfo
- Publication number
- CA1028460A CA1028460A CA181,700A CA181700A CA1028460A CA 1028460 A CA1028460 A CA 1028460A CA 181700 A CA181700 A CA 181700A CA 1028460 A CA1028460 A CA 1028460A
- Authority
- CA
- Canada
- Prior art keywords
- production
- cellular core
- solid skin
- thermoplastic mouldings
- mouldings
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 230000001413 cellular effect Effects 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000007787 solid Substances 0.000 title 1
- 238000009757 thermoplastic moulding Methods 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
- B29C44/10—Applying counter-pressure during expanding
- B29C44/105—Applying counter-pressure during expanding the counterpressure being exerted by a fluid
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG21471A BG18242A1 (enEXAMPLES) | 1972-09-25 | 1972-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1028460A true CA1028460A (en) | 1978-03-28 |
Family
ID=3898843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA181,700A Expired CA1028460A (en) | 1972-09-25 | 1973-09-24 | Method and apparatus for the production of thermoplastic mouldings with a solid skin and a cellular core |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5729253B2 (enEXAMPLES) |
| AT (1) | AT349743B (enEXAMPLES) |
| AU (1) | AU476239B2 (enEXAMPLES) |
| BE (1) | BE805194A (enEXAMPLES) |
| BG (1) | BG18242A1 (enEXAMPLES) |
| CA (1) | CA1028460A (enEXAMPLES) |
| CH (1) | CH556733A (enEXAMPLES) |
| CS (1) | CS181254B2 (enEXAMPLES) |
| DD (1) | DD112730A5 (enEXAMPLES) |
| DE (1) | DE2348006C2 (enEXAMPLES) |
| DK (1) | DK134472B (enEXAMPLES) |
| FR (1) | FR2200099B1 (enEXAMPLES) |
| GB (1) | GB1442766A (enEXAMPLES) |
| IN (1) | IN141881B (enEXAMPLES) |
| IT (1) | IT994804B (enEXAMPLES) |
| NL (1) | NL181856C (enEXAMPLES) |
| NO (1) | NO139039C (enEXAMPLES) |
| SE (1) | SE380471B (enEXAMPLES) |
| SU (2) | SU574160A3 (enEXAMPLES) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE422544B (sv) * | 1979-10-02 | 1982-03-15 | Fjellman Press Ab | Maskin for form- och strengsprutning av plastiskt material som er tillgengligt i form av forpackningar |
| DE3014072A1 (de) * | 1980-04-11 | 1981-10-15 | Institut po Metaloznanie i Technologia na Metalite, Sofija | Verteiler fuer anlagen fuer das spritzgiessen von thermoplastischen formteilen mit fester haut und geschaeumtem kern |
| US4315726A (en) | 1980-04-30 | 1982-02-16 | Institute Po Metaloznanie I Technologia Na Metalite | Distributing device for machines for injection molding of thermoplastic parts with solid skin and cellular core |
| JPS59120429A (ja) * | 1982-12-28 | 1984-07-12 | Eng Plast Kk | 発泡型物の成形法 |
| GB201911141D0 (en) * | 2019-08-05 | 2019-09-18 | Qinetiq Ltd | Materials and method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3211605A (en) * | 1963-01-14 | 1965-10-12 | Grace W R & Co | Foamed product and process |
| US3384691A (en) * | 1965-09-10 | 1968-05-21 | Allied Chem | Method for molding a structure having a foamed plastic core substantially enclosed within an essentially unfoamed plastic layer |
| DE1704545A1 (de) * | 1967-08-12 | 1971-05-19 | Huels Chemische Werke Ag | Herstellung geschaeumter Spritzgussteile |
| GB1213869A (en) * | 1967-10-31 | 1970-11-25 | Allied Chem | Method of and apparatus for moulding articles |
-
1972
- 1972-09-25 BG BG21471A patent/BG18242A1/xx unknown
-
1973
- 1973-09-17 FR FR7333284A patent/FR2200099B1/fr not_active Expired
- 1973-09-19 NO NO733673A patent/NO139039C/no unknown
- 1973-09-19 DD DD173562A patent/DD112730A5/xx unknown
- 1973-09-19 CH CH1348073A patent/CH556733A/xx not_active IP Right Cessation
- 1973-09-20 GB GB4430073A patent/GB1442766A/en not_active Expired
- 1973-09-20 AU AU60529/73A patent/AU476239B2/en not_active Expired
- 1973-09-20 IT IT52675/73A patent/IT994804B/it active
- 1973-09-22 IN IN2152/CAL/1973A patent/IN141881B/en unknown
- 1973-09-24 DE DE2348006A patent/DE2348006C2/de not_active Expired
- 1973-09-24 BE BE2053081A patent/BE805194A/xx unknown
- 1973-09-24 SE SE7312988A patent/SE380471B/xx unknown
- 1973-09-24 DK DK520773AA patent/DK134472B/da unknown
- 1973-09-24 CA CA181,700A patent/CA1028460A/en not_active Expired
- 1973-09-24 AT AT819673A patent/AT349743B/de not_active IP Right Cessation
- 1973-09-25 JP JP10791173A patent/JPS5729253B2/ja not_active Expired
- 1973-09-25 SU SU7301962854A patent/SU574160A3/ru active
- 1973-09-25 CS CS7300006588A patent/CS181254B2/cs unknown
- 1973-09-25 NL NLAANVRAGE7313216,A patent/NL181856C/xx not_active IP Right Cessation
-
1974
- 1974-04-04 SU SU7402017022A patent/SU579877A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| CH556733A (de) | 1974-12-13 |
| NL7313216A (enEXAMPLES) | 1974-03-27 |
| FR2200099A1 (enEXAMPLES) | 1974-04-19 |
| NL181856C (nl) | 1987-11-16 |
| SU574160A3 (ru) | 1977-09-25 |
| DE2348006A1 (de) | 1974-04-18 |
| JPS5729253B2 (enEXAMPLES) | 1982-06-22 |
| DE2348006C2 (de) | 1982-10-21 |
| SE380471B (sv) | 1975-11-10 |
| AT349743B (de) | 1979-04-25 |
| CS181254B2 (en) | 1978-03-31 |
| SU579877A3 (ru) | 1977-11-05 |
| GB1442766A (en) | 1976-07-14 |
| FR2200099B1 (enEXAMPLES) | 1977-03-11 |
| AU476239B2 (en) | 1976-09-16 |
| JPS49101493A (enEXAMPLES) | 1974-09-25 |
| IN141881B (enEXAMPLES) | 1977-04-30 |
| DD112730A5 (enEXAMPLES) | 1975-05-05 |
| BE805194A (fr) | 1974-01-16 |
| AU6052973A (en) | 1975-03-20 |
| BG18242A1 (enEXAMPLES) | 1974-10-25 |
| DK134472B (da) | 1976-11-15 |
| ATA819673A (de) | 1978-09-15 |
| IT994804B (it) | 1975-10-20 |
| NO139039C (no) | 1978-12-27 |
| NL181856B (nl) | 1987-06-16 |
| NO139039B (no) | 1978-09-18 |
| DK134472C (enEXAMPLES) | 1977-04-18 |
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