JPS6235813U - - Google Patents
Info
- Publication number
- JPS6235813U JPS6235813U JP1985128084U JP12808485U JPS6235813U JP S6235813 U JPS6235813 U JP S6235813U JP 1985128084 U JP1985128084 U JP 1985128084U JP 12808485 U JP12808485 U JP 12808485U JP S6235813 U JPS6235813 U JP S6235813U
- Authority
- JP
- Japan
- Prior art keywords
- resin
- layer
- forming
- die
- discharge port
- 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
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 3
- 241000239290 Araneae Species 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 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
-
- 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)
Description
図は本考案の一実施例を示す断面正面図である
。
１……内層構成用樹脂押出機、３……吐出口、
５……口金、６……ダイリング、７……マンドレ
ル、８……スパイダ、９……二層成形用ダイ、１
０……流入通路、１１……流入口、１３……外層
構成用樹脂押出機、１６……ヒータ。
The figure is a sectional front view showing an embodiment of the present invention. 1...Resin extruder for forming inner layer, 3...Discharge port,
5...Die ring, 7...Mandrel, 8...Spider, 9...Die for two-layer molding, 1
0...Inflow passage, 11...Inflow port, 13...Resin extruder for forming the outer layer, 16...Heater.
Claims (1)
ング６内にスパイダ８にてマンドレル７を支持し
た口金５との間に、内層構成用樹脂押出機１の吐
出口３の内径より小径の樹脂通路を有するととも
に外層構成用樹脂の流入通路１０を形成した二層
成形用ダイ９を設け、該成形用ダイ９の外周部に
温度調節可能なヒータ１６を取付けたことを特徴
とする合成樹脂製二層管製造用口金。 Between the discharge port 3 of the resin extruder 1 for forming the inner layer and the die 5 in which the mandrel 7 is supported by a spider 8 in the die ring 6, there is provided a pipe having a diameter smaller than the inner diameter of the discharge port 3 of the resin extruder 1 for forming the inner layer. A synthetic resin characterized in that a two-layer molding die 9 having a resin passage and an inflow passage 10 for the resin forming the outer layer is provided, and a temperature-adjustable heater 16 is attached to the outer periphery of the molding die 9. A cap for manufacturing double-layer pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985128084U JPH0215631Y2 (en) | 1985-08-22 | 1985-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985128084U JPH0215631Y2 (en) | 1985-08-22 | 1985-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6235813U true JPS6235813U (en) | 1987-03-03 |
| JPH0215631Y2 JPH0215631Y2 (en) | 1990-04-26 |
Family
ID=31023432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985128084U Expired JPH0215631Y2 (en) | 1985-08-22 | 1985-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0215631Y2 (en) |
-
1985
- 1985-08-22 JP JP1985128084U patent/JPH0215631Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0215631Y2 (en) | 1990-04-26 |