CH498706A - Dispositif pour la fabrication par extrusion de tubes en matière plastique - Google Patents
Dispositif pour la fabrication par extrusion de tubes en matière plastiqueInfo
- Publication number
- CH498706A CH498706A CH91870A CH91870A CH498706A CH 498706 A CH498706 A CH 498706A CH 91870 A CH91870 A CH 91870A CH 91870 A CH91870 A CH 91870A CH 498706 A CH498706 A CH 498706A
- Authority
- CH
- Switzerland
- Prior art keywords
- extrusion
- manufacture
- plastic pipes
- pipes
- plastic
- 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
- B29C48/30—Extrusion nozzles or dies
- B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE48728 | 1969-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH498706A true CH498706A (fr) | 1970-11-15 |
Family
ID=3840712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH91870A CH498706A (fr) | 1969-01-24 | 1970-01-23 | Dispositif pour la fabrication par extrusion de tubes en matière plastique |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT313555B (fr) |
CH (1) | CH498706A (fr) |
DE (1) | DE2003038A1 (fr) |
SE (1) | SE354226B (fr) |
-
1970
- 1970-01-23 CH CH91870A patent/CH498706A/fr not_active IP Right Cessation
- 1970-01-23 DE DE19702003038 patent/DE2003038A1/de active Pending
- 1970-01-23 SE SE00807/70A patent/SE354226B/xx unknown
- 1970-01-26 AT AT70970A patent/AT313555B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2003038A1 (de) | 1970-09-03 |
AT313555B (de) | 1974-02-25 |
SE354226B (fr) | 1973-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |