US3171730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming mouth portions of small glass bottles
Assignee: OI Glass Inc
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Filing: 1960-09-19
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Granted: 1965-03-02
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 Zauner Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:58
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/09; C03B23/095
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
173 words
APPARATUS FOR SHAPING THE NECK AND MOUTH PORTIONS OF A SMALL GLASS BOTTLE BLANK IN WORKABLE CONDITION DURING ITS RETENTION AT AN INDIVIDUAL WORK STATION OF A FORMING MACHINE, SAID APPARATUS COMPRISING, IN COMBINATION, A CHUCK FOR RETAINING THE GLASS BOTTLE BLANK, MEANS FOR AXIALLY ROTATING SAID CHUCK AND SAID BOTTLE BLANK AT SAID WORK STATION, A BASE MEMBER MOUNTED IN STATIONARY RELATION AT SAID WORK STATION BENEATH SAID CHUCK, A PAIR OF MOVABLE ARMS MOUNTED IN PIVOTAL RELATION ON SAID BASE MEMBER, EACH ARM HAVING A PROJECTING FREE END PORTION EXTENDING NEAR SAID BOTTLE BLANK, A PAIR OF SIMILAR CIRCULAR ROTARY EXTERNAL FORMING DIES INDIVIDUALLY MOUNTED ON THE FREE END PORTION OF EACH ARM IN PERIPHERALLY ALIGNED COPLANAR ARRANGEMENT, DRIVING MEANS ADAPTED TO ROTATE CONTINUOUSLY SAID PAIR OF CIRCULAR FORMING DIES CONJUNCTIVELY AND IN SYNCHRONISM WITH SAID BOTTLE BLANK, A RECIPROCATABLE NON-ROTATING MANDREL ELEMENT ADAPTED TO PENETRATE SAID BLANK FOR RELATIVE MOVEMENT THEREBETWEEN, AND MEANS ADAPTED TO REGULATE THE SPACING BETWEEN SAID DIES FOR SHAPING THE BOTTLE NECK AND MOUTH PORTIONS THEREBETWEEN.
Claim 2
Dependent Claim
173 words
APPARATUS FOR SHAPING THE NECK AND MOUTH PORTIONS OF A SMALL GLASS BOTTLE BLANK IN WORKABLE CONDITION DURING ITS RETENTION AT AN INDIVIDUAL WORK STATION OF A FORMING MACHINE, SAID APPARATUS COMPRISING, IN COMBINATION, A CHUCK FOR RETAINING THE GLASS BOTTLE BLANK, MEANS FOR AXIALLY ROTATING SAID CHUCK AND SAID BOTTLE BLANK AT SAID WORK STATION, A BASE MEMBER MOUNTED IN STATIONARY RELATION AT SAID WORK STATION BENEATH SAID CHUCK, A PAIR OF MOVABLE ARMS MOUNTED IN PIVOTAL RELATION ON SAID BASE MEMBER, EACH ARM HAVING A PROJECTING FREE END PORTION EXTENDING NEAR SAID BOTTLE BLANK, A PAIR OF SIMILAR CIRCULAR ROTARY EXTERNAL FORMING DIES INDIVIDUALLY MOUNTED ON THE FREE END PORTION OF EACH ARM IN PERIPHERALLY ALIGNED COPLANAR ARRANGEMENT, DRIVING MEANS ADAPTED TO ROTATE CONTINUOUSLY SAID PAIR OF CIRCULAR FORMING DIES CONJUNCTIVELY AND IN SYNCHRONISM WITH SAID BOTTLE BLANK, A RECIPROCATABLE NON-ROTATING MANDREL ELEMENT ADAPTED TO PENETRATE SAID BLANK FOR RELATIVE MOVEMENT THEREBETWEEN, AND MEANS ADAPTED TO REGULATE THE SPACING BETWEEN SAID DIES FOR SHAPING THE BOTTLE NECK AND MOUTH PORTIONS THEREBETWEEN.
Claim 3
Dependent Claim
153 words
IN A PROCESS OF FORMING A SCREW-THREAD FINISH ON THE OPEN-END PORTION OF A TUBULAR GLASS WORKPIECE IN WORKABLE CONDITION DURING ITS RETENTION AT AN INDIVIDUAL WORK STATION, THE METHOD COMPRISING THE STEPS OF RETAINING SAID WORKPIECE AT SAID WORK STATION, AXIALLY ROTATING SAID WORKPIECE THEREAT, INTRODUCING A NON-ROTATIVE MANDREL INTO THE OPEN END PORTION OF SAID WORKPIECE, POSITIVELY ROTATING A PAIR OF CIRCULAR EXTERNAL FORMING DIES DISPOSED IN COPLANAR SPACED-APART PERIPHERALLY ALIGNED RELATION CONJUNCTIVELY AND IN SYNCHRONISM WITH ROTATION OF SAID WORKPIECE, SAID FORMING DIES HAVING SIMILAR THREAD-FORMING CONTOURS, CONTACTING OPPOSING SIDES OF THE OPEN-END PORTION OF SAID WORKPIECE WITH SAID PAIR OF FORMING DIES, MOVABLE IN A SINGLE WORKING PLANE, APPLYING ESSENTIALLY UNIFORM FORMING PRESSURE TO THE OPPOSING SIDES OF SAID WORKPIECE TO FORM AN EXTERNAL SCREW-THREAD FINISH THEREON HAVING PRESCRIBED DIMENSIONS, WITHDRAWING THE FORMING DIES AND MANDREL FROM CONTACT WITH SAID WORKPIECE, AND REMOVING SAID WORKPIECE FROM SAID WASH STATION.
Claim 4
Dependent Claim
153 words
IN A PROCESS OF FORMING A SCREW-THREAD FINISH ON THE OPEN-END PORTION OF A TUBULAR GLASS WORKPIECE IN WORKABLE CONDITION DURING ITS RETENTION AT AN INDIVIDUAL WORK STATION, THE METHOD COMPRISING THE STEPS OF RETAINING SAID WORKPIECE AT SAID WORK STATION, AXIALLY ROTATING SAID WORKPIECE THEREAT, INTRODUCING A NON-ROTATIVE MANDREL INTO THE OPEN END PORTION OF SAID WORKPIECE, POSITIVELY ROTATING A PAIR OF CIRCULAR EXTERNAL FORMING DIES DISPOSED IN COPLANAR SPACED-APART PERIPHERALLY ALIGNED RELATION CONJUNCTIVELY AND IN SYNCHRONISM WITH ROTATION OF SAID WORKPIECE, SAID FORMING DIES HAVING SIMILAR THREAD-FORMING CONTOURS, CONTACTING OPPOSING SIDES OF THE OPEN-END PORTION OF SAID WORKPIECE WITH SAID PAIR OF FORMING DIES, MOVABLE IN A SINGLE WORKING PLANE, APPLYING ESSENTIALLY UNIFORM FORMING PRESSURE TO THE OPPOSING SIDES OF SAID WORKPIECE TO FORM AN EXTERNAL SCREW-THREAD FINISH THEREON HAVING PRESCRIBED DIMENSIONS, WITHDRAWING THE FORMING DIES AND MANDREL FROM CONTACT WITH SAID WORKPIECE, AND REMOVING SAID WORKPIECE FROM SAID WASH STATION.
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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |