US3200184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming hollow articles
Assignee: Individual
•
Filing: 1962-11-15
•
Granted: 1965-08-10
•
Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Schulze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:24
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/70; B28B21/74; Y; Y10; Y10S; Y10S425/00; Y10S425/113
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD OF FORMING A HOLLOW ARTICLE FROM A PLASTIC MATERIAL, THAT INCLUDES: PROVIDING A MOLDING ZONE DEFINED IN PART BY A TUBULAR SURFACE; INTRODUCING AN AMOUNT OF SAID PLASTIC MATERIAL INTO SAID MOLDING ZONE; ROTATING SAID TUBULAR SURFACE ABOUT AN AXIS OF ROTATION COINCIDING WITH THE LONGITUDINAL AXIS OF SAID TUBULAR SURFACE; INSERTING A ROLLER INTO SAID MOLDING ZONE, SAID ROLLER HAVING AN AXIS OF ROTATION PARALLEL WITH THE AXIS OF ROTATION OF SAID TUBULAR SURFACE; PRESSING SAID ROLLER AGAINST SAID PLASTIC MATERIAL TO COMPRESS SAID PLASTIC MATERIAL AGAINST SAID TUBULAR SURFACE; AND POWER-ROTATING SAID ROLLER IN THE SAME DIRECTION AS SAID PLASTIC MATERIAL WHILE IT IS BEING PRESSED AGAINST SAID PLASTIC MATERIAL AT A SURFACE SPEED THAT
Claim 2
Independent Claim
119 words
A METHOD OF FORMING A HOLLOW ARTICLE FROM A PLASTIC MATERIAL, THAT INCLUDES: PROVIDING A MOLDING ZONE DEFINED IN PART BY A TUBULAR SURFACE; INTRODUCING AN AMOUNT OF SAID PLASTIC MATERIAL INTO SAID MOLDING ZONE; ROTATING SAID TUBULAR SURFACE ABOUT AN AXIS OF ROTATION COINCIDING WITH THE LONGITUDINAL AXIS OF SAID TUBULAR SURFACE; INSERTING A ROLLER INTO SAID MOLDING ZONE, SAID ROLLER HAVING AN AXIS OF ROTATION PARALLEL WITH THE AXIS OF ROTATION OF SAID TUBULAR SURFACE; PRESSING SAID ROLLER AGAINST SAID PLASTIC MATERIAL TO COMPRESS SAID PLASTIC MATERIAL AGAINST SAID TUBULAR SURFACE; AND POWER-ROTATING SAID ROLLER IN THE SAME DIRECTION AS SAID PLASTIC MATERIAL WHILE IT IS BEING PRESSED AGAINST SAID PLASTIC MATERIAL AT A SURFACE SPEED THAT
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |