US3106748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for making supported sleeving
Assignee: Individual
•
Filing: 1960-05-23
•
Granted: 1963-10-15
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Skobel Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:49
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/03; B29C48/09; B29C48/12; B29C48/15; B29C48/151
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
APPARATUS FOR COATING A SUPPLE FABRIC TUBE WITH PLASTIC MATERIAL COMPRISING, AN EXTRUDER COMPRISING A DIE HAVING AN APERTURE, MEANS FOR ADVANCING THE TUBE LONGITUDINAL THROUGH SAID DIE APERTURE, MEANS FOR FEEDING PLASTIC MATERIAL IN A PLASTIC STATE TO SAID EXTRUDER TO BE EXTRUDED ON SAID TUBE AS IT ADVANCES THROUGH SAID DIE AND MEANS FOR CONSTRICTING RADIALLY INWARDLY IMMEDIATELY SUCCESSIVE LENGTHS OF THE TUBE AT LEAST IN A ZONE SUBSTANTIALLY IMMEDIATELY AHEAD OF SAID APERTURE THEREBY TO COMPACT AND RIGIDIFY THE TUBE IN PREPARTION FOR EXTRUDING THE PLASTIC MATERIAL THEREON WITHOUT NEED OF INTERNAL SUPPORT OF THE TUBE AND TO AVOID COLLAPSE OF THE TUBE DURING EXTRUSION OF THE PLASTIC MATERIAL ONTO THE CONSTRICTED TUBE.
Claim 2
Dependent Claim
116 words
APPARATUS FOR COATING A SUPPLE FABRIC TUBE WITH PLASTIC MATERIAL COMPRISING, AN EXTRUDER COMPRISING A DIE HAVING AN APERTURE, MEANS FOR ADVANCING THE TUBE LONGITUDINAL THROUGH SAID DIE APERTURE, MEANS FOR FEEDING PLASTIC MATERIAL IN A PLASTIC STATE TO SAID EXTRUDER TO BE EXTRUDED ON SAID TUBE AS IT ADVANCES THROUGH SAID DIE AND MEANS FOR CONSTRICTING RADIALLY INWARDLY IMMEDIATELY SUCCESSIVE LENGTHS OF THE TUBE AT LEAST IN A ZONE SUBSTANTIALLY IMMEDIATELY AHEAD OF SAID APERTURE THEREBY TO COMPACT AND RIGIDIFY THE TUBE IN PREPARTION FOR EXTRUDING THE PLASTIC MATERIAL THEREON WITHOUT NEED OF INTERNAL SUPPORT OF THE TUBE AND TO AVOID COLLAPSE OF THE TUBE DURING EXTRUSION OF THE PLASTIC MATERIAL ONTO THE CONSTRICTED TUBE.
Claim 3
Independent Claim
111 words
A METHOD OF MAKING A FABRIC REINFORCED PLASTIC TUBE WHICH COMPRISES, PROVIDING A CONTINUOUS, SUPPLE FABRIC TUBE, ADVANCING THE TUBE LONGITUDINALLY IN A SUBSTANTIALLY OPENED CONDITION, CONSTRICTING THE TUBE RADIALLY INWARDLY IN A SELECTED ZONE TO REDUCE ITS DIAMETER ALONG IMMEDIATELY SUCCESSIVE LENGTHS OF EQUAL LENGTH AS THE TUBE IS ADVANCED THROUGH AID ZONE THEREBY TO COMPACT AND RIGIDFY THE TUBE, EXTRUDING COVER MATERIAL UNDER PRESSURE IN A PLASTIC CONDITION ONTO SAID FABRIC TUBE IMMEDIATELY AS IT LEAVES THE CONSTRICTING ZONE AND WITHOUT INTERNAL SUPPORT OF THE TUBE, THEREBY TO COAT THE TUBE WHILE IN A RIGIDIFIED CONDITION TO AVOID COLLAPSE OF SAID TUBE BY THE PRESSURE OF SAID COVER MATERIAL.
Claim 4
Independent Claim
111 words
A METHOD OF MAKING A FABRIC REINFORCED PLASTIC TUBE WHICH COMPRISES, PROVIDING A CONTINUOUS, SUPPLE FABRIC TUBE, ADVANCING THE TUBE LONGITUDINALLY IN A SUBSTANTIALLY OPENED CONDITION, CONSTRICTING THE TUBE RADIALLY INWARDLY IN A SELECTED ZONE TO REDUCE ITS DIAMETER ALONG IMMEDIATELY SUCCESSIVE LENGTHS OF EQUAL LENGTH AS THE TUBE IS ADVANCED THROUGH AID ZONE THEREBY TO COMPACT AND RIGIDFY THE TUBE, EXTRUDING COVER MATERIAL UNDER PRESSURE IN A PLASTIC CONDITION ONTO SAID FABRIC TUBE IMMEDIATELY AS IT LEAVES THE CONSTRICTING ZONE AND WITHOUT INTERNAL SUPPORT OF THE TUBE, THEREBY TO COAT THE TUBE WHILE IN A RIGIDIFIED CONDITION TO AVOID COLLAPSE OF SAID TUBE BY THE PRESSURE OF SAID COVER MATERIAL.
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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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |