US3293697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stripping injection molded articles from a mold
Assignee: International Tools Ltd
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Filing: 1964-05-28
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Granted: 1966-12-27
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Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Rudolph D Balint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:45
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/40; B29C45/44; B29C45/4407; B29C45/26; Y; Y10; Y10S; Y10S425/00; Y10S425/058
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN AN INJECTION MOLD APPARATUS, THE COMBINATION COMPRISING A MOLD HALF HAVING A MAIN BODY PORTION, A FIRST MOVABLE PART OF SAID MOLD HALF INCLUDING A PERIPHERAL NOSE PORTION, A SECOND MOVABLE PART OF SAID MOLD HALF INCLUDING A COMPLEMENTARY SURFACE TO SAID NOSE PORTION WHICH CO-OPERATES THEREWITH AND WITH ANOTHER MOLD HALF TO FORM A RE-ENTRANT PORTION ON PLASTIC ARTICLE, MEANS FOR GUIDING SAID FIRST PART AND SAID SECOND PART IN GENERALLY DIVERGING PATHS RELATIVE TO SAID MAIN BODY PORTION, MEANS FOR MOVING SAID FIRST AND SECOND MOLD PARTS IN SAID DIVERGENT PATHS WAY FROM SAID MAIN BODY PORTION AT A RATE IN A DIRECTION AXIALLY OF THE MAIN MOLD PORTION WHICH IS SUBSTANTIALLY EQUAL UNTIL SAID SECOND PART CLEARS THE PERIPHERY OF SAID NOSE PORTION OF SAID FIRST PART, AND MEANS FOR THEREAFTER ACCELERATING SAID SECOND PART IN SAID DIVERGENT PATH AND AT A VELOCITY SUCH THAT THE SECOND PART MOVES AXIALLY A GREATER DISTANCE THAN SAID FIRST PART TO THEREBY STRIP THE PLASTIC ARTICLE FROM THE NOSE OF SAID FIRST PART.
Claim 2
Dependent Claim
174 words
IN AN INJECTION MOLD APPARATUS, THE COMBINATION COMPRISING A MOLD HALF HAVING A MAIN BODY PORTION, A FIRST MOVABLE PART OF SAID MOLD HALF INCLUDING A PERIPHERAL NOSE PORTION, A SECOND MOVABLE PART OF SAID MOLD HALF INCLUDING A COMPLEMENTARY SURFACE TO SAID NOSE PORTION WHICH CO-OPERATES THEREWITH AND WITH ANOTHER MOLD HALF TO FORM A RE-ENTRANT PORTION ON PLASTIC ARTICLE, MEANS FOR GUIDING SAID FIRST PART AND SAID SECOND PART IN GENERALLY DIVERGING PATHS RELATIVE TO SAID MAIN BODY PORTION, MEANS FOR MOVING SAID FIRST AND SECOND MOLD PARTS IN SAID DIVERGENT PATHS WAY FROM SAID MAIN BODY PORTION AT A RATE IN A DIRECTION AXIALLY OF THE MAIN MOLD PORTION WHICH IS SUBSTANTIALLY EQUAL UNTIL SAID SECOND PART CLEARS THE PERIPHERY OF SAID NOSE PORTION OF SAID FIRST PART, AND MEANS FOR THEREAFTER ACCELERATING SAID SECOND PART IN SAID DIVERGENT PATH AND AT A VELOCITY SUCH THAT THE SECOND PART MOVES AXIALLY A GREATER DISTANCE THAN SAID FIRST PART TO THEREBY STRIP THE PLASTIC ARTICLE FROM THE NOSE OF SAID FIRST PART.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |