JPS564421A - Molding method of plastic packaging container - Google Patents
Molding method of plastic packaging containerInfo
- Publication number
- JPS564421A JPS564421A JP7810579A JP7810579A JPS564421A JP S564421 A JPS564421 A JP S564421A JP 7810579 A JP7810579 A JP 7810579A JP 7810579 A JP7810579 A JP 7810579A JP S564421 A JPS564421 A JP S564421A
- Authority
- JP
- Japan
- Prior art keywords
- container
- film
- compressed air
- contacted
- metallic plate
- 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.)
- Pending
Links
- 238000000465 moulding Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 2
- 238000004806 packaging method and process Methods 0.000 title abstract 2
- 239000004033 plastic Substances 0.000 title abstract 2
- 238000007664 blowing Methods 0.000 abstract 3
- 239000002985 plastic film Substances 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
- B29C51/06—Combined thermoforming and prestretching, e.g. biaxial stretching using pressure difference for prestretching
-
- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
PURPOSE:To obtain a plastic packaging container with a uniform thickness such as a deep drawn container or a container having a complicated configuration by a method wherein a preheated film is contacted with a metallic plate located at an opposing position to a mold by blowing compressed air, thereafter, the film is reversed and molded into a predetermined configuration. CONSTITUTION:A preheated thermoplastic plastic film 6 is contacted with a metallic plate 10 provided at a position opposing to a container molding mold 7 by blowing compressed air from the container molding mold 7 side through a compressed air introducing port 9 and is extended so that an internal volume thereof becomes smaller than the same of a desired molded container. Subsequently, the film 6 is reversed by blowing out the compressed air from the metallic plate 10 side and the film 6 is extended and molded until it is perfectly contacted with the container molding mold 7 closely. EFFECT:The minimum thickness of the film required for the molding in a prior art may be reduced remarkably.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7810579A JPS564421A (en) | 1979-06-22 | 1979-06-22 | Molding method of plastic packaging container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7810579A JPS564421A (en) | 1979-06-22 | 1979-06-22 | Molding method of plastic packaging container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS564421A true JPS564421A (en) | 1981-01-17 |
Family
ID=13652598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7810579A Pending JPS564421A (en) | 1979-06-22 | 1979-06-22 | Molding method of plastic packaging container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS564421A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6092826A (en) * | 1983-10-26 | 1985-05-24 | Shin Kobe Electric Mach Co Ltd | Pressure air forming method |
| JP2004269004A (en) * | 2003-03-11 | 2004-09-30 | Ckd Corp | PTP sheet manufacturing equipment |
| JP2007098580A (en) * | 2005-09-30 | 2007-04-19 | Yamada Kosakusho:Kk | Molding method for extrusion container lid |
-
1979
- 1979-06-22 JP JP7810579A patent/JPS564421A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6092826A (en) * | 1983-10-26 | 1985-05-24 | Shin Kobe Electric Mach Co Ltd | Pressure air forming method |
| JP2004269004A (en) * | 2003-03-11 | 2004-09-30 | Ckd Corp | PTP sheet manufacturing equipment |
| JP2007098580A (en) * | 2005-09-30 | 2007-04-19 | Yamada Kosakusho:Kk | Molding method for extrusion container lid |
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