Injection/blow moulding machine
Abstract
Abstract THE DISCLOSURE RELATES TO AN INJECTION/BLOW MOULDING MACHINE IN WHICH THE PRAISON STICK TRANSFER MECHANISM CAN BE CONNECTED TO AND DISCONNECTED FROM THE PARISON STICKS EMPLOYED IN THE MOULDS OF THE MACHINE. THE TRANSFER MECHANISM IS ARRANGED SO THAT A TYPICAL SEQUENCE OF OPERATIONS IN RESPECT OF AN INJECTION MOULD AND A PAIR OF BLOW MOULDS SERVED BY THE INJECTION MOULD, IS AS FOLLOWS: (1) THE PARISON STICKS RESPECTIVELY OF ONE OF THE BLOW MOULDS AND THE INJECTION MOULD ARE CONNECTED TO THE TRANSFER MECHANISM. (2) AFTER THAT BLOW MOULD AND THE INJECTION MOULD HAVE OPENED, SIMULTANEOUSLY, THE PARISON STICK OF THE LATTER IS TRANSFERRED TO THE BLOW MOULD AND THE PARISON STICK OF THE BLOW MOULD IS TRANSFERRED TO THE INJECTION MOULD (I.E., AFTER STRIPPING OFF OF THE BLOWN ARTICLE), (3) THE PARISON STICKS OF THE BLOW MOULD CONCERNED AND THE INJECTION MOULD ARE DISCONNECTED, AFTER THE MOULDS HAVE CLOSED, FROM THE TRANSFER MECHANISM, AND (4) THE TRANSFER MECHANISM THEN ASSUMES A POSITION TO CARRY OUT A LIKE TRANSFER BETWEEN THE INJECTION MOULD AND THE OTHER OF THE TWO BLOW MOULDS.
Inventors
- 👤 Michael Thorn
- 👤 William Gemmell Brackenbridge
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |