DE2228976B2 - - Google Patents
Info
- Publication number
- DE2228976B2 DE2228976B2 DE2228976A DE2228976A DE2228976B2 DE 2228976 B2 DE2228976 B2 DE 2228976B2 DE 2228976 A DE2228976 A DE 2228976A DE 2228976 A DE2228976 A DE 2228976A DE 2228976 B2 DE2228976 B2 DE 2228976B2
- Authority
- DE
- Germany
- 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.)
- Granted
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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
- B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
-
- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
- B29C48/152—Coating hollow articles the inner surfaces thereof
- B29C48/153—Coating both inner and outer surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2228976A DE2228976A1 (de) | 1972-06-14 | 1972-06-14 | Strangpresskopf zum herstellen von armierten rohren bzw. schlaeuchen aus thermoplasten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2228976A DE2228976A1 (de) | 1972-06-14 | 1972-06-14 | Strangpresskopf zum herstellen von armierten rohren bzw. schlaeuchen aus thermoplasten |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2228976A1 DE2228976A1 (de) | 1974-01-03 |
DE2228976B2 true DE2228976B2 (de) | 1980-02-28 |
DE2228976C3 DE2228976C3 (de) | 1980-10-16 |
Family
ID=5847746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2228976A Granted DE2228976A1 (de) | 1972-06-14 | 1972-06-14 | Strangpresskopf zum herstellen von armierten rohren bzw. schlaeuchen aus thermoplasten |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2228976A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8612330D0 (en) * | 1986-05-21 | 1986-06-25 | Reeves R E | Conduit assembly |
-
1972
- 1972-06-14 DE DE2228976A patent/DE2228976A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2228976C3 (de) | 1980-10-16 |
DE2228976A1 (de) | 1974-01-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
8328 | Change in the person/name/address of the agent |
Free format text: VON FUENER, A., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 8000 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |