US3259533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for wrapping insulating material around an advancing pipe
Assignee: Svenska Metallverken AB
•
Filing: 1964-07-06
•
Granted: 1966-07-05
•
Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Philipson Philip Goran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:36
CPC Classifications
F; F16; F16L; F16L59/00; F16L59/14; F16L59/143; B; B28; B28B; B28B21/00; B28B21/92; B28B21/925; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; B29C63/00; B29C63/02; B29C63/04; B29C63/06; B29C63/065; F16L58/00; F16L58/02; F16L58/16; F16L59/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1028; Y10T156/1033
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
84 words
A METHOD COMPRISING ADVANCING A PIPE IN AXIAL DIRECTION, SUPPLYING A FLAT STRIP OF FIBROUS INSULTING MATERIAL FOR APPLICANT TO THE PIPE, APPLYING THE STRIP TO THE PIPE, FOLDING THE STRIP AROUND THE PIPE TO FORM A LONGITUDINAL SEAM, AND DRAWING THE STRIP ALONG THE PIPE AND COMPRESSING SAID STRIP AROUND SAID PIPE BY PASSING THE PIPE THROUGH A RESTRICTED OPENING WITH THE INSULATING MATERIAL THEREON, SUCH MOVEMENT OF THE PIPE THROUGH SAID OPENING ACTS TO DRAW THE STRIP ALONG AND AGAINST THE PIPE.
Claim 2
Independent Claim
84 words
A METHOD COMPRISING ADVANCING A PIPE IN AXIAL DIRECTION, SUPPLYING A FLAT STRIP OF FIBROUS INSULTING MATERIAL FOR APPLICANT TO THE PIPE, APPLYING THE STRIP TO THE PIPE, FOLDING THE STRIP AROUND THE PIPE TO FORM A LONGITUDINAL SEAM, AND DRAWING THE STRIP ALONG THE PIPE AND COMPRESSING SAID STRIP AROUND SAID PIPE BY PASSING THE PIPE THROUGH A RESTRICTED OPENING WITH THE INSULATING MATERIAL THEREON, SUCH MOVEMENT OF THE PIPE THROUGH SAID OPENING ACTS TO DRAW THE STRIP ALONG AND AGAINST THE PIPE.
Claim 3
Dependent Claim
71 words
APPARATUS COMPRISING A SOURCE OF FIBROUS INSULATING MATERIALLY IN ON THE FORM OF A STRIP, A TUBULAR MEMBER HAVING A RESTRICTED OPENING THEREIN, AND MEANS TO DRIVE A PIPE AXILLY THROUGH THE TUBULAR MEMBER WITH THE STRIP APPLIED TO THE PIPE WHEREBY THE STRIP IS COMPRESSED AROUND THE PIPE, SAID SOURCE BEING ADAPTED TO SUPPLY SAID STRIP AT A RATE CONTROLLED BY THE PASSAGE OF THE PIPE THROUGH THE TUBULAR MEMBER.
Claim 4
Dependent Claim
71 words
APPARATUS COMPRISING A SOURCE OF FIBROUS INSULATING MATERIALLY IN ON THE FORM OF A STRIP, A TUBULAR MEMBER HAVING A RESTRICTED OPENING THEREIN, AND MEANS TO DRIVE A PIPE AXILLY THROUGH THE TUBULAR MEMBER WITH THE STRIP APPLIED TO THE PIPE WHEREBY THE STRIP IS COMPRESSED AROUND THE PIPE, SAID SOURCE BEING ADAPTED TO SUPPLY SAID STRIP AT A RATE CONTROLLED BY THE PASSAGE OF THE PIPE THROUGH THE TUBULAR MEMBER.
References Cited (Backward Citations)
US3126034A
Cited
US2044456A
Cited
US2344264A
Cited
US2605202A
Cited
US2674297A
Cited
US2828798A
Cited
US2746516A
Cited
US3121446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |