JPH0370911U - - Google Patents
Info
- Publication number
- JPH0370911U JPH0370911U JP1989131946U JP13194689U JPH0370911U JP H0370911 U JPH0370911 U JP H0370911U JP 1989131946 U JP1989131946 U JP 1989131946U JP 13194689 U JP13194689 U JP 13194689U JP H0370911 U JPH0370911 U JP H0370911U
- Authority
- JP
- Japan
- Prior art keywords
- cooling water
- lower members
- hopper
- synthetic resin
- molding machine
- 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
- 239000000498 cooling water Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 229920003002 synthetic resin Polymers 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 4
- 238000012856 packing Methods 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
- B29C48/797—Cooling
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Description
第１図は、本考案に係る合成樹脂成形機におけ
るホツパー下部の冷却水装置の一実施例を示すホ
ツパー近傍の斜視図、第２図は、上下部材で加熱
筒を挾持した場合の上下部材冷却水路の接続部の
縦断面図、第３図は従来の冷却水装置を示す、ホ
ツパー近傍の斜視図である。
１……加熱筒、１ａ……供給孔、２……ホツパ
ー、３……ホツパー下部、４……上部材、４ａ…
…冷却水路、４ｃ……対向する面、５……下部材
、５ａ……冷却水路、５ｃ……対向する面、１１
……上開口部、１２……下開口部、１３……Ｏリ
ング、１４……逆止弁。
Fig. 1 is a perspective view of the vicinity of the hopper showing an embodiment of the cooling water system below the hopper in a synthetic resin molding machine according to the present invention, and Fig. 2 shows cooling of the upper and lower members when the heating cylinder is held between the upper and lower members. FIG. 3 is a longitudinal cross-sectional view of a waterway connection part, and is a perspective view of the vicinity of the hopper, showing a conventional cooling water system. DESCRIPTION OF SYMBOLS 1... Heating cylinder, 1a... Supply hole, 2... Hopper, 3... Hopper lower part, 4... Upper member, 4a...
...Cooling water channel, 4c... Opposing surface, 5... Lower member, 5a... Cooling water channel, 5c... Opposing surface, 11
...Upper opening, 12...Lower opening, 13...O ring, 14...Check valve.
Claims (1)
ーが設けられ、内部に冷却水路がそれぞれ穿設さ
れ、これら冷却水路が相互に接続されている上下
部材を有する合成樹脂成形機において、 上記加熱筒を挾持する上下部材の当接対向する
それぞれの面に、上記上下部材の冷却水路が対向
して開口する上下開口部と、これら上下開口部を
囲むようにして、上下部材に挾持され、上下部材
の冷却水路を液密に接続する環状パツキンとを有
することを特徴とする合成樹脂成形機におけるホ
ツパー下部の冷却水装置。 (2) 上部材の冷却水路の開口部の近くに冷却水
が該冷却水路を上方へ流れるのを許容し、下方へ
流れるのを阻止する逆止弁が設けられている請求
項(1)記載の合成樹脂成形機におけるホツパー下
部の冷却水装置。[Scope of Claim for Utility Model Registration] (1) Upper and lower members that detachably hold a heating cylinder, have a hopper at the top, have cooling channels bored inside, and these cooling channels are connected to each other. A synthetic resin molding machine comprising: upper and lower openings in which cooling channels of the upper and lower members open opposite each other on respective abutting and opposing surfaces of the upper and lower members that sandwich the heating cylinder, and surrounding these upper and lower openings; 1. A cooling water device for a lower part of a hopper in a synthetic resin molding machine, comprising an annular packing sandwiched between upper and lower members and fluid-tightly connecting cooling channels of the upper and lower members. (2) A check valve is provided near the opening of the cooling water channel in the upper member to allow the cooling water to flow upward through the cooling water channel and prevent it from flowing downward. Cooling water system at the bottom of the hopper in a synthetic resin molding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989131946U JPH061779Y2 (en) | 1989-11-13 | 1989-11-13 | Cooling water device under hopper in synthetic resin molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989131946U JPH061779Y2 (en) | 1989-11-13 | 1989-11-13 | Cooling water device under hopper in synthetic resin molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0370911U true JPH0370911U (en) | 1991-07-17 |
| JPH061779Y2 JPH061779Y2 (en) | 1994-01-19 |
Family
ID=31679424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989131946U Expired - Lifetime JPH061779Y2 (en) | 1989-11-13 | 1989-11-13 | Cooling water device under hopper in synthetic resin molding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH061779Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2012253653A1 (en) | 2011-05-10 | 2013-05-02 | Gilead Sciences, Inc. | Fused heterocyclic compounds as sodium channel modulators |
-
1989
- 1989-11-13 JP JP1989131946U patent/JPH061779Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH061779Y2 (en) | 1994-01-19 |
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