US3018519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding plastic insert in threaded lock nut blanks
Assignee: Coats and Clark Inc
•
Filing: 1958-03-06
•
Granted: 1962-01-30
•
Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
- 👤 Gries Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:19
CPC Classifications
B; B29; B29D; B29D1/00; B29C; B29C45/00; B29C45/14; B29C45/14008; B29C45/14032; B29C45/1418; B29C45/14262; B29C70/00; B29C70/68; B29C70/74; B29C45/14336; B29C45/1459; B29K; B29K2705/00; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/947; Y10S425/00; Y10S425/034
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
AN APPARATUS FOR PRODUCING LOCK NUTS OF THE CHARACTER DESCRIBED, COMPRISING A FORMING AND MOLDING STATION HAVING A COMBINATION FORMING AND MOLDING DIE WITH A GATE PASSAGE EXTENDING THROUGH THE DIE, A FORMING PLUNGER AND THREADED INSERT MOVABLE TOWARD AND FROM SAID DIE, SAID INSERT BEING ROTATABLE AND LONGITUDINALLY MOVABLE RELATIVE TO SAID PLUNGER AND MEANS FOR HOLDING A NUT BLANK AGAINST ROTATION, MEANS FOR DELIVERING NUT BLANKS TO SAID STATION IN A POSITION BETWEEN THE DIE AND SAID PLUNGER AND INSERT, EACH NUT BLANK HAVING A THREADED BORE AND AN ENLARGED CHAMBER AT ONE END, BORDERED BY A REDUCED WALL, THE CHAMBER AND WALL FACING SAID DIE, WHEN THE BLANK IS POSITIONED AT SAID STATION, SAID FORMING PLUNGER BEING MOVABLE TO ADVANCE THE NUT BLANK ONTO THE DIE IN SHAPING THE REDUCED WALL OF THE BLANK TO PARTIALLY CLOSE SAID CHAMBER, SAID INSERT BEING MOVED LONGITUDINALLY AND ROTATED WHILE HOLDING THE NUT BLANK AGAINST ROTATION TO THREAD THE INSERT INTO THE BORE OF THE NUT BLANK TO A POSITION ADJACENT TO THE SURFACE OF THE DIE POSITIONED IN SAID CHAMBER, MEANS FOR PRESSURE INJECTING HEATED PLASTIC
Claim 2
Independent Claim
187 words
AN APPARATUS FOR PRODUCING LOCK NUTS OF THE CHARACTER DESCRIBED, COMPRISING A FORMING AND MOLDING STATION HAVING A COMBINATION FORMING AND MOLDING DIE WITH A GATE PASSAGE EXTENDING THROUGH THE DIE, A FORMING PLUNGER AND THREADED INSERT MOVABLE TOWARD AND FROM SAID DIE, SAID INSERT BEING ROTATABLE AND LONGITUDINALLY MOVABLE RELATIVE TO SAID PLUNGER AND MEANS FOR HOLDING A NUT BLANK AGAINST ROTATION, MEANS FOR DELIVERING NUT BLANKS TO SAID STATION IN A POSITION BETWEEN THE DIE AND SAID PLUNGER AND INSERT, EACH NUT BLANK HAVING A THREADED BORE AND AN ENLARGED CHAMBER AT ONE END, BORDERED BY A REDUCED WALL, THE CHAMBER AND WALL FACING SAID DIE, WHEN THE BLANK IS POSITIONED AT SAID STATION, SAID FORMING PLUNGER BEING MOVABLE TO ADVANCE THE NUT BLANK ONTO THE DIE IN SHAPING THE REDUCED WALL OF THE BLANK TO PARTIALLY CLOSE SAID CHAMBER, SAID INSERT BEING MOVED LONGITUDINALLY AND ROTATED WHILE HOLDING THE NUT BLANK AGAINST ROTATION TO THREAD THE INSERT INTO THE BORE OF THE NUT BLANK TO A POSITION ADJACENT TO THE SURFACE OF THE DIE POSITIONED IN SAID CHAMBER, MEANS FOR PRESSURE INJECTING HEATED PLASTIC
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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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |