US3331903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for continuously spinning a plastic net
Assignee: Individual
•
Filing: 1963-04-17
•
Granted: 1967-07-18
•
Expires: 1983-04-17
Abstract
No abstract record available.
Inventors
- 👤 Mine Sigeta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:52
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/13; B29C48/05; B29C48/07; B29C48/08; B29L; B29L2028/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A METHOD OF MANUFACTURING A NET FROM PLASTIC MATERIAL COMPRISING THE STEPS OF EXTRUDING A PLURALITY OF PAIRS OF FILAMENTS OF PLASTIC MATERIAL, THE FILAMENTS IN EACH PAIR BEING SSPACED FROM EACH OTHER IN A FIRST DIRECTION AND SAID PAIRS OF FILAMENTS BEING SPACED A GIVEN DISTANCE IN A SECOND DIRECTION; REVOLVING THE FILAMENTS OF EACH PAIR AT THE MOMENT OF THEIR EXTRUSION AND BEFORE BEING SOLIDIFIED ABOUT AN AXIS EXTENDING ETWEEN THE FILAMENTS OF EACH PAIR SO AS TO TWIST THE FILAMENTS OF EACH PAIR TOGETHER AND TO THUS INTEGRALLY CONNECT EACH PAIR OF FILAMENTS; MOVING ONE OF THE FILAMENTS IN EACH PAIR THROUGH SAID GIVEN DISTANCE IN SAID SECOND DIRECTION WHILE CONTINUING EXTRUSION OF SAID FILAMENTS; REPEATING THE LAST TWO STEPS TO CONTINUOUSLY FORM A NET; AND CONTINOUSLY DRAWING THE NET SUBSTANTIALLY IN THE DIRECTION IN WHICH SAID FILAMENTS ARE EXTRUDED.
Claim 2
Independent Claim
143 words
A METHOD OF MANUFACTURING A NET FROM PLASTIC MATERIAL COMPRISING THE STEPS OF EXTRUDING A PLURALITY OF PAIRS OF FILAMENTS OF PLASTIC MATERIAL, THE FILAMENTS IN EACH PAIR BEING SSPACED FROM EACH OTHER IN A FIRST DIRECTION AND SAID PAIRS OF FILAMENTS BEING SPACED A GIVEN DISTANCE IN A SECOND DIRECTION; REVOLVING THE FILAMENTS OF EACH PAIR AT THE MOMENT OF THEIR EXTRUSION AND BEFORE BEING SOLIDIFIED ABOUT AN AXIS EXTENDING ETWEEN THE FILAMENTS OF EACH PAIR SO AS TO TWIST THE FILAMENTS OF EACH PAIR TOGETHER AND TO THUS INTEGRALLY CONNECT EACH PAIR OF FILAMENTS; MOVING ONE OF THE FILAMENTS IN EACH PAIR THROUGH SAID GIVEN DISTANCE IN SAID SECOND DIRECTION WHILE CONTINUING EXTRUSION OF SAID FILAMENTS; REPEATING THE LAST TWO STEPS TO CONTINUOUSLY FORM A NET; AND CONTINOUSLY DRAWING THE NET SUBSTANTIALLY IN THE DIRECTION IN WHICH SAID FILAMENTS ARE EXTRUDED.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |