US3267184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for molding plastic articles
Assignee: OI Glass Inc
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Filing: 1963-12-04
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Granted: 1966-08-16
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Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Casimir W Nowicki
- 👤 John D Schuster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:32
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/02; B29C49/06; B29C49/54; B29C49/541; B29C2049/023
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
161 words
A METHOD OF MOLDING A BOTTLE HAVING A CONCAVE BOTTOM OF A GIVEN DEPTH OF CONCAVITY FROM A PLASTIC MATERIAL WHICH IS SUBSTANTIALLY RIGID IN ITS MOLED STATE COMPRISING THE STEPS OF INJECTION MOLDING THE BOTTLE NECK PORTION IN A NECK MOLD AND FORMING A BLOWABLE PARISON INTEGRAL WITH THE NECK PORTION, LOCATING THE NECK MOLD AND PARISON IN OPERATIVE RELATIONSHIP WITH A BLOW MOLD HAVING SEPARABLE SIDES AND A BOTTOM ELEMENT COOPERATIVELY DEFINING AN INTERNAL BLOW MOLD CAVITY OF THE DESIRED BOTTLE SHAPE, BLOWING, THE PARISON WITHIN THE CAVITY OF THE SHAPE OF THE BOTTLE, AND EXPOSING THE BOTTLE BY HOLDING THE NECK MOLD STATIONARY WITH THE BOTTLE SUPPORTED THEREFROM WHILE RETRACTING THE BOTTOM ELEMENT FROM THE BOTTLE BOTTOM BY A DISTANCE GREATER THAN THE DEPTH OF CONCAVITY, SUPPORTING THE RETRACTED BOTTOM ELEMENT ON ONE OF THE BLOW MOLD SIDES AND SEPARATING THE BLOW MOLD SIDES FROM EACH OTHER TOE WITHDRAW THE BOTTOM ELEMENT TO ONE SIDE OF THE BOTTLE.
Claim 2
Independent Claim
161 words
A METHOD OF MOLDING A BOTTLE HAVING A CONCAVE BOTTOM OF A GIVEN DEPTH OF CONCAVITY FROM A PLASTIC MATERIAL WHICH IS SUBSTANTIALLY RIGID IN ITS MOLED STATE COMPRISING THE STEPS OF INJECTION MOLDING THE BOTTLE NECK PORTION IN A NECK MOLD AND FORMING A BLOWABLE PARISON INTEGRAL WITH THE NECK PORTION, LOCATING THE NECK MOLD AND PARISON IN OPERATIVE RELATIONSHIP WITH A BLOW MOLD HAVING SEPARABLE SIDES AND A BOTTOM ELEMENT COOPERATIVELY DEFINING AN INTERNAL BLOW MOLD CAVITY OF THE DESIRED BOTTLE SHAPE, BLOWING, THE PARISON WITHIN THE CAVITY OF THE SHAPE OF THE BOTTLE, AND EXPOSING THE BOTTLE BY HOLDING THE NECK MOLD STATIONARY WITH THE BOTTLE SUPPORTED THEREFROM WHILE RETRACTING THE BOTTOM ELEMENT FROM THE BOTTLE BOTTOM BY A DISTANCE GREATER THAN THE DEPTH OF CONCAVITY, SUPPORTING THE RETRACTED BOTTOM ELEMENT ON ONE OF THE BLOW MOLD SIDES AND SEPARATING THE BLOW MOLD SIDES FROM EACH OTHER TOE WITHDRAW THE BOTTOM ELEMENT TO ONE SIDE OF THE BOTTLE.
Claim 3
Dependent Claim
177 words
A MOLD ASSEMBLY COMPRISING A MOLD SIDE PLATEN MOUNTED FOR MOVEMENT ALONG A FIRST PATH BETWEEN A MOLD CLOSED POSITION AND A MOLD OPEN POSITION, A MOLD BOTTOM PLATEN MOUNTED UPON SAID SIDE PLATEN FOR MOVEMENT RELATIVE TO SAID PLATEN ALONG A SECOND PATH NORMAL TO SAID FIRST PATH BETWEEN A MOLD CLOSED POSITION AND A MOLD OPEN POSITION, SAID PLATENS WHEN CONCURRENTLY IN THEIR RESPECTIVE MOLD CLOSED POSITIONS DEFINING SIDE AND BOTTOM ELEMENTS OF A CLOSED MOLD ASSEMBLY, MEANS FOR MOVING SAID SIDE PLATEN BETWEEN ITS MOLD CLOSED AND MOLD OPEN POSITION , MEANS ON SAID SIDE PLATEN OPERABLE UPON MOVEMENT OF SAID SIDE PLATEN AWAY FROM ITS MOLD CLOSED POSITION FOR MOVING SAID BOTTOM PLATEN TO ITS MOLD OPEN POSITION AND FOR MOVING SAID BOTTOM PLATEN TO ITS MOLD CLOSED POSITION UPON MOVEMENT OF SAID SIDE PLATEN TO ITS MOLD CLOSED POSITION, AND MEANS ON SAID BOTTOM PLATEN OPERABLE WHEN SAID BOTTOM PLATEN IS IN ITS MOLD OPEN POSITION FOR SUPPORTING SAID BOTTOM PLATEN ON SAID SIDE PLATEN FOR MOVEMENT THEREWITH ALONG SAID FIRST PATH.
Claim 4
Dependent Claim
177 words
A MOLD ASSEMBLY COMPRISING A MOLD SIDE PLATEN MOUNTED FOR MOVEMENT ALONG A FIRST PATH BETWEEN A MOLD CLOSED POSITION AND A MOLD OPEN POSITION, A MOLD BOTTOM PLATEN MOUNTED UPON SAID SIDE PLATEN FOR MOVEMENT RELATIVE TO SAID PLATEN ALONG A SECOND PATH NORMAL TO SAID FIRST PATH BETWEEN A MOLD CLOSED POSITION AND A MOLD OPEN POSITION, SAID PLATENS WHEN CONCURRENTLY IN THEIR RESPECTIVE MOLD CLOSED POSITIONS DEFINING SIDE AND BOTTOM ELEMENTS OF A CLOSED MOLD ASSEMBLY, MEANS FOR MOVING SAID SIDE PLATEN BETWEEN ITS MOLD CLOSED AND MOLD OPEN POSITION , MEANS ON SAID SIDE PLATEN OPERABLE UPON MOVEMENT OF SAID SIDE PLATEN AWAY FROM ITS MOLD CLOSED POSITION FOR MOVING SAID BOTTOM PLATEN TO ITS MOLD OPEN POSITION AND FOR MOVING SAID BOTTOM PLATEN TO ITS MOLD CLOSED POSITION UPON MOVEMENT OF SAID SIDE PLATEN TO ITS MOLD CLOSED POSITION, AND MEANS ON SAID BOTTOM PLATEN OPERABLE WHEN SAID BOTTOM PLATEN IS IN ITS MOLD OPEN POSITION FOR SUPPORTING SAID BOTTOM PLATEN ON SAID SIDE PLATEN FOR MOVEMENT THEREWITH ALONG SAID FIRST PATH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |