FR2332121B3 - - Google Patents
Info
- Publication number
- FR2332121B3 FR2332121B3 FR7634609A FR7634609A FR2332121B3 FR 2332121 B3 FR2332121 B3 FR 2332121B3 FR 7634609 A FR7634609 A FR 7634609A FR 7634609 A FR7634609 A FR 7634609A FR 2332121 B3 FR2332121 B3 FR 2332121B3
- Authority
- FR
- France
- 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
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
- B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0013—Extrusion moulding in several steps, i.e. components merging outside the die
- B29C48/0015—Extrusion moulding in several steps, i.e. components merging outside the die producing hollow articles having components brought in contact outside the extrusion die
-
- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
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 |
---|---|---|---|
GB4744575 | 1975-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2332121A1 FR2332121A1 (fr) | 1977-06-17 |
FR2332121B3 true FR2332121B3 (zh) | 1979-07-27 |
Family
ID=10444996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7634609A Granted FR2332121A1 (fr) | 1975-11-18 | 1976-11-17 | Extrudeuse a filiere multiple |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE848511A (zh) |
DE (1) | DE2652342A1 (zh) |
FR (1) | FR2332121A1 (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH640457A5 (de) * | 1979-05-28 | 1984-01-13 | Schiesser Ag | Verfahren und vorrichtung zur bildung der inneren wandteile von fahrzeugreifen. |
US4770618A (en) * | 1986-01-15 | 1988-09-13 | Lupke Manfred Arno Alfred | Extrusion die for two-ply plastic tubing |
FR2626811B1 (fr) * | 1988-02-04 | 1990-08-24 | Bertho Patrick | Dispositif permettant la variation des masses des articles extrudes |
DE3907866A1 (de) * | 1989-03-10 | 1990-09-13 | Troester Maschf Paul | Werkzeug zum extrudieren von kautschukmischungen und/oder kunststoffen und verfahren zum einsetzen dieses werkzeuges in eine extrusionsvorrichtung |
JPH0632339Y2 (ja) * | 1989-11-28 | 1994-08-24 | 石川島播磨重工業株式会社 | 多層ブロー成形機におけるパリソンヘッド |
US5062782A (en) * | 1990-07-24 | 1991-11-05 | Bridgestone/Firestone, Inc. | Coextrusion apparatus for varying the inner and/or outer profile of a tubular extrudate |
US5128084A (en) * | 1990-07-24 | 1992-07-07 | Bridgestone Firestone Inc | Coextrusion apparatus and method for varying the inner profile of a tubular extrudate |
DE102006057189A1 (de) * | 2006-12-05 | 2008-06-19 | Nehrig, Jürgen | Düsenanordnung zum Herstellen von Kunststoffhohlkörpern |
DE112020006109T5 (de) * | 2020-03-19 | 2022-11-03 | Hitachi Astemo, Ltd. | Rohrkörper-zwischenstück und verfahren zur herstellung eines rohrkörpers |
-
1976
- 1976-11-17 DE DE19762652342 patent/DE2652342A1/de active Pending
- 1976-11-17 FR FR7634609A patent/FR2332121A1/fr active Granted
- 1976-11-18 BE BE172501A patent/BE848511A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE848511A (fr) | 1977-05-18 |
FR2332121A1 (fr) | 1977-06-17 |
DE2652342A1 (de) | 1977-05-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |