IT1174370B - Prodn. of synthetic resin hollow mouldings, esp. bottles - by cutting extruded tube off between nozzle and holding point then closing end by action of mandrel - Google Patents
Prodn. of synthetic resin hollow mouldings, esp. bottles - by cutting extruded tube off between nozzle and holding point then closing end by action of mandrelInfo
- Publication number
- IT1174370B IT1174370B IT2672178A IT2672178A IT1174370B IT 1174370 B IT1174370 B IT 1174370B IT 2672178 A IT2672178 A IT 2672178A IT 2672178 A IT2672178 A IT 2672178A IT 1174370 B IT1174370 B IT 1174370B
- Authority
- IT
- Italy
- Prior art keywords
- mandrel
- parison
- nozzle
- bottles
- synthetic resin
- Prior art date
Links
- 238000000465 moulding Methods 0.000 title abstract 2
- 229920003002 synthetic resin Polymers 0.000 title abstract 2
- 239000000057 synthetic resin Substances 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
Landscapes
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
In the production of synthetic resin hollow mouldings, such as bottles, the molten resin is extruded from a die in a form of tube, (a parison). It is cut off by a cutter blade and held in a mould. A fluid is blown into the parison to form a hollow product. The novelty is that the parison is held at a position away from the nozzle of the die and cut off at a position nearer to the nozzle than the holding point. The cut end of the parison is closed to form a bottom of the parison, by moving a mandrel inserted into the die, in such manner that the top end of the mandrel presses the end section of the parison into a mandrel receiver. Method reduces wastage of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2672178A IT1174370B (en) | 1978-08-11 | 1978-08-11 | Prodn. of synthetic resin hollow mouldings, esp. bottles - by cutting extruded tube off between nozzle and holding point then closing end by action of mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2672178A IT1174370B (en) | 1978-08-11 | 1978-08-11 | Prodn. of synthetic resin hollow mouldings, esp. bottles - by cutting extruded tube off between nozzle and holding point then closing end by action of mandrel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7826721A0 IT7826721A0 (en) | 1978-08-11 |
| IT1174370B true IT1174370B (en) | 1987-07-01 |
Family
ID=11220099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2672178A IT1174370B (en) | 1978-08-11 | 1978-08-11 | Prodn. of synthetic resin hollow mouldings, esp. bottles - by cutting extruded tube off between nozzle and holding point then closing end by action of mandrel |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | IT1174370B (en) |
-
1978
- 1978-08-11 IT IT2672178A patent/IT1174370B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT7826721A0 (en) | 1978-08-11 |
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