FI58278C - Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning - Google Patents
Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning Download PDFInfo
- Publication number
- FI58278C FI58278C FI763223A FI763223A FI58278C FI 58278 C FI58278 C FI 58278C FI 763223 A FI763223 A FI 763223A FI 763223 A FI763223 A FI 763223A FI 58278 C FI58278 C FI 58278C
- Authority
- FI
- Finland
- Prior art keywords
- inches
- sealing
- release
- members
- extrusion direction
- Prior art date
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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9115—Cooling of hollow 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2554551A DE2554551C3 (de) | 1975-12-04 | 1975-12-04 | Vorrichtung zum Abdichten des unter Überdruck stehenden Innenraumes von Kunststoffrohren beim Strangpressen |
DE2554551 | 1975-12-04 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI763223A FI763223A (de) | 1977-06-05 |
FI58278B FI58278B (fi) | 1980-09-30 |
FI58278C true FI58278C (fi) | 1981-01-12 |
Family
ID=5963448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI763223A FI58278C (fi) | 1975-12-04 | 1976-11-10 | Anordning foer avtaetning av det inre utrymmet av plastroer vid straensprutning |
Country Status (6)
Country | Link |
---|---|
US (1) | US4084933A (de) |
BR (1) | BR7607966A (de) |
DE (1) | DE2554551C3 (de) |
FI (1) | FI58278C (de) |
NO (1) | NO145714C (de) |
SE (1) | SE423504B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0081298A1 (de) * | 1981-12-04 | 1983-06-15 | Manfred Arno Alfred Lupke | Vorrichtung zum Herstellen von mehrwandigen Röhren aus thermoplastischem Material |
US4518343A (en) * | 1983-03-07 | 1985-05-21 | E. I. Du Pont De Nemours And Company | Extrusion die |
US4708841A (en) * | 1985-10-31 | 1987-11-24 | Phillips Petroleum Company | Pipe plug apparatus and method for its use |
DE102019113382A1 (de) * | 2019-05-20 | 2020-11-26 | Rosen Swiss Ag | Dichtungselement für einen Rohrleitungsmolch |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB702176A (en) * | 1951-08-09 | 1954-01-13 | British Celanese | The production of tubular articles |
US3388425A (en) * | 1963-11-14 | 1968-06-18 | Phillips Petroleum Co | Apparatus for coating the interior surfaces of hollow shaped articles |
GB1289722A (de) * | 1968-10-30 | 1972-09-20 | ||
DE2055628A1 (de) * | 1970-11-12 | 1972-05-18 | Dynamit Nobel Ag | Verfahren und Vorrichtung zum Strangpressen von Hohlkörpern |
GB1365781A (en) * | 1971-03-03 | 1974-09-04 | Anger Kunststoff | Safety device for trailing mandrel |
-
1975
- 1975-12-04 DE DE2554551A patent/DE2554551C3/de not_active Expired
-
1976
- 1976-11-10 FI FI763223A patent/FI58278C/fi not_active IP Right Cessation
- 1976-11-26 SE SE7613306A patent/SE423504B/xx unknown
- 1976-11-29 BR BR7607966A patent/BR7607966A/pt unknown
- 1976-12-03 US US05/747,185 patent/US4084933A/en not_active Expired - Lifetime
- 1976-12-03 NO NO764130A patent/NO145714C/no unknown
Also Published As
Publication number | Publication date |
---|---|
FI58278B (fi) | 1980-09-30 |
FI763223A (de) | 1977-06-05 |
NO145714C (no) | 1982-05-19 |
DE2554551A1 (de) | 1977-06-16 |
NO764130L (de) | 1977-06-07 |
NO145714B (no) | 1982-02-08 |
US4084933A (en) | 1978-04-18 |
BR7607966A (pt) | 1977-11-08 |
DE2554551C3 (de) | 1978-05-24 |
DE2554551B2 (de) | 1977-10-06 |
SE7613306L (sv) | 1977-06-05 |
SE423504B (sv) | 1982-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: REIFENHAEUSER KG |