Patent US2827498A successfully refreshed from Google Patents.
US3343221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible conduit for an injection molding machine
Assignee: United Shoe Machinery Corp
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Filing: 1967-02-09
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Granted: 1967-09-26
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Expires: 1987-02-09
Abstract
No abstract record available.
Inventors
- 👤 Walter W Yarrison
- 👤 Leslie C Battell
- 👤 Paul W Senfleben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:14
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; Y; Y10; Y10S; Y10S425/00; Y10S425/051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN A INJECTION MOLDING MACHINE, THE COMBINATION WITH MOLD MEMBERS DEFINING A MOLD CAVITY OF A PLASTICATOR FOR SUPPLYING HOT FLUID PLASTIC UNDER PRESSURE TO THE MOLD CAVITY AND AN EXTENSIBLE CONDUIT FOR CONDUCTING HOT FLUID PLASTIC FROM THE PLASTICATOR TO THE MOLD CAVITY, SAID CONDUIT COMPRISING A FIRST SECTION OF RELATIVELY SMALL DIAMETER FORMING THE RECEIVING END PORTION OF THE CONDUIT AND TELESCOPING INTO A SECOND OF RELATIVELY LARGE DIAMETER FORMING THE DELIVERING END PORTION OF THE CONDUIT, AND MEANS FOR SO CONNECTING THE TWO SECTIONS TOGETHER THAT THEY ARE RELATIVELY ADJUSTABLE LENGTHWISE THEREOF, THE CONSTRUCTION OF THE CONDUIT BEING SUCH THAT PLASTIC SOLIDIFIED THEREIN CAN BE EXTRACTED THEREFROM BY LONGITUDINAL MOVEMENT OF THE CONDUIT RELATIVELY TO THE SOLIDIFIED PLASTIC WITH THE SECTION OF SMALL DIAMETER FOREMOST.
Claim 2
Dependent Claim
128 words
IN A INJECTION MOLDING MACHINE, THE COMBINATION WITH MOLD MEMBERS DEFINING A MOLD CAVITY OF A PLASTICATOR FOR SUPPLYING HOT FLUID PLASTIC UNDER PRESSURE TO THE MOLD CAVITY AND AN EXTENSIBLE CONDUIT FOR CONDUCTING HOT FLUID PLASTIC FROM THE PLASTICATOR TO THE MOLD CAVITY, SAID CONDUIT COMPRISING A FIRST SECTION OF RELATIVELY SMALL DIAMETER FORMING THE RECEIVING END PORTION OF THE CONDUIT AND TELESCOPING INTO A SECOND OF RELATIVELY LARGE DIAMETER FORMING THE DELIVERING END PORTION OF THE CONDUIT, AND MEANS FOR SO CONNECTING THE TWO SECTIONS TOGETHER THAT THEY ARE RELATIVELY ADJUSTABLE LENGTHWISE THEREOF, THE CONSTRUCTION OF THE CONDUIT BEING SUCH THAT PLASTIC SOLIDIFIED THEREIN CAN BE EXTRACTED THEREFROM BY LONGITUDINAL MOVEMENT OF THE CONDUIT RELATIVELY TO THE SOLIDIFIED PLASTIC WITH THE SECTION OF SMALL DIAMETER FOREMOST.
References Cited (Backward Citations)
US3205536A
Cited
US3134141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |