JPS5771828A - Manufacturing of hollow glass article - Google Patents
Manufacturing of hollow glass articleInfo
- Publication number
- JPS5771828A JPS5771828A JP14679780A JP14679780A JPS5771828A JP S5771828 A JPS5771828 A JP S5771828A JP 14679780 A JP14679780 A JP 14679780A JP 14679780 A JP14679780 A JP 14679780A JP S5771828 A JPS5771828 A JP S5771828A
- Authority
- JP
- Japan
- Prior art keywords
- parison
- article
- begins
- sleeve
- hollow glass
- 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
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
PURPOSE: To manufacture a uniform hollow glass article preventing the increase of the internal pressure of the article during blowing and the supercooling of the upper part and the body part of the article, by thrusting the blasting nozzle of the blowing air into a parison to a sufficient depth.
CONSTITUTION: The parison 16 is clamped at the neck part with the lower end of the sleeve 6 and the catch 8, and rotated to the direction of the arrow by the rotation of the pinion 5 while keeping the base mold 13 opened. As the rotating parison 16 begins to sag, the mold 13 is closed immediately, and the blow head 10 is lowered until the head 10 touches the upper end of the sleeve 6 to complete the sealing of the parison. As the diameter of the exhaust port 12 is smaller than that of the blasting nozzle 20, the internal pressure of the parison becomes higher than the atmospheric pressure by blowing air, and the parison begins to expand. When the surface of the glass begins to harden slightly, the blasting air pressure is further increased to improve the precision of the outer shape of the article.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14679780A JPS5771828A (en) | 1980-10-22 | 1980-10-22 | Manufacturing of hollow glass article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14679780A JPS5771828A (en) | 1980-10-22 | 1980-10-22 | Manufacturing of hollow glass article |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5771828A true JPS5771828A (en) | 1982-05-04 |
JPS6350290B2 JPS6350290B2 (en) | 1988-10-07 |
Family
ID=15415743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14679780A Granted JPS5771828A (en) | 1980-10-22 | 1980-10-22 | Manufacturing of hollow glass article |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5771828A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582227A (en) * | 1981-06-30 | 1983-01-07 | Ishizuka Glass Ltd | Blow molding apparatus for glass |
-
1980
- 1980-10-22 JP JP14679780A patent/JPS5771828A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582227A (en) * | 1981-06-30 | 1983-01-07 | Ishizuka Glass Ltd | Blow molding apparatus for glass |
JPH0114179B2 (en) * | 1981-06-30 | 1989-03-09 | Ishizuka Glass |
Also Published As
Publication number | Publication date |
---|---|
JPS6350290B2 (en) | 1988-10-07 |
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