JPH02112417U - - Google Patents
Info
- Publication number
- JPH02112417U JPH02112417U JP1989021653U JP2165389U JPH02112417U JP H02112417 U JPH02112417 U JP H02112417U JP 1989021653 U JP1989021653 U JP 1989021653U JP 2165389 U JP2165389 U JP 2165389U JP H02112417 U JPH02112417 U JP H02112417U
- Authority
- JP
- Japan
- Prior art keywords
- small diameter
- passages
- temperature adjustment
- outer sides
- annular passages
- 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.)
- Granted
Links
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 description 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
- 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
- B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
- B29C48/337—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location
- B29C48/338—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles the components merging at a common location using a die with concentric parts, e.g. rings, cylinders
-
- 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)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989021653U JPH0547630Y2 (enExample) | 1989-02-27 | 1989-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989021653U JPH0547630Y2 (enExample) | 1989-02-27 | 1989-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02112417U true JPH02112417U (enExample) | 1990-09-07 |
| JPH0547630Y2 JPH0547630Y2 (enExample) | 1993-12-15 |
Family
ID=31239078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989021653U Expired - Lifetime JPH0547630Y2 (enExample) | 1989-02-27 | 1989-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0547630Y2 (enExample) |
-
1989
- 1989-02-27 JP JP1989021653U patent/JPH0547630Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0547630Y2 (enExample) | 1993-12-15 |