US3381868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drive for devices treating movable lengths of materials
Assignee: Artos Dr Ing Meier Windhorst KG
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Filing: 1966-05-06
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Granted: 1968-05-07
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Expires: 1986-05-06
Abstract
No abstract record available.
Inventors
- 👤 Vogeler Helmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:11
CPC Classifications
D; D06; D06C; D06C29/00; D06B; D06B23/00; D06B3/00; D06B3/34; D06C7/00; D06B2700/00; D06B2700/36; D06C2700/00; D06C2700/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A DRIVE FOR DEVICES TREATING MOVABLE LENGTHS OF MATERIALS, COMPRISING IN COMBINATION WITH A PLURALITY OF DIFFERENT SECTIONS DIFFERENTLY TREATING A LENGTH OF MATERIAL PASSING THROUGH SAID SECTIONS, A PLURALITY OF ROLLERS GUIDING SAID LENGTH OF MATERIAL THROUGH SAID SECTIONS AND MOVABLE DEPENDING UPON CONTRACTIONS OR EXTENSIONS OF SAID MATERIAL CAUSED BY TREATMENTS IN SAID SECTIONS, A PLURALITY OF HYDRAULIC DRIVES IN SAID SECTIONS, EACH OF SAID DRIVES COMPRISING AN OIL MOTOR AND A BYPASS CONNECTED WITH SAID MOTOR AND WITH ONE OF SAID ROLLERS, THE EFFECTIVE CROSSSECTION OF SAID BYPASS BEING VARIED BY THE MOVEMENT OF SAID ONE ROLLER TO VARY THE FLOW OF OIL AND THEREBY REGULATE THE SPEED OF SAID OIL MOTOR.
Claim 2
Dependent Claim
115 words
A DRIVE FOR DEVICES TREATING MOVABLE LENGTHS OF MATERIALS, COMPRISING IN COMBINATION WITH A PLURALITY OF DIFFERENT SECTIONS DIFFERENTLY TREATING A LENGTH OF MATERIAL PASSING THROUGH SAID SECTIONS, A PLURALITY OF ROLLERS GUIDING SAID LENGTH OF MATERIAL THROUGH SAID SECTIONS AND MOVABLE DEPENDING UPON CONTRACTIONS OR EXTENSIONS OF SAID MATERIAL CAUSED BY TREATMENTS IN SAID SECTIONS, A PLURALITY OF HYDRAULIC DRIVES IN SAID SECTIONS, EACH OF SAID DRIVES COMPRISING AN OIL MOTOR AND A BYPASS CONNECTED WITH SAID MOTOR AND WITH ONE OF SAID ROLLERS, THE EFFECTIVE CROSSSECTION OF SAID BYPASS BEING VARIED BY THE MOVEMENT OF SAID ONE ROLLER TO VARY THE FLOW OF OIL AND THEREBY REGULATE THE SPEED OF SAID OIL MOTOR.
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |