Patent US3230123A successfully refreshed from Google Patents.
US3230123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming a tube of spirally wound tapes
Assignee: Lockheed Martin Corp
•
Filing: 1961-06-23
•
Granted: 1966-01-18
•
Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
- 👤 Edwin V Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:09
CPC Classifications
B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/60; Y; Y10; Y10T; Y10T156/00; Y10T156/19; Y10T156/1911
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A METHOD OF FORMING A TUBE WHICH COMPRISES THE STEPS OF: APPLYING A PARTING AGENT OT A STATIONARY MANDREL; WRAPPING A LAYER FORMED OF IMPREGNATED UNPOLYMERIZED POLYESTER RESIN AROUND SAID MANDREL MEANS AND SAID PARTING AGENT; REVOLVING A SPOL OF TAPE FORMED OF IMPREGNATED UNPOLYMERIZED POLYESTER RESIN HAVING AN END ADHERED OVER AND FIXED WITH RESPECT TO SAID MANDREL AROUND SAID MANDREL MEANS; AND CONTINUOUSLY ADVANCING SAID SPOL ALONG THE LONGITUDINAL AXIS OF SAID MANDREL MEANS WHILE REVOLVING THE SPOOL THEREAROUND.
Claim 2
Independent Claim
81 words
A METHOD OF FORMING A TUBE WHICH COMPRISES THE STEPS OF: APPLYING A PARTING AGENT OT A STATIONARY MANDREL; WRAPPING A LAYER FORMED OF IMPREGNATED UNPOLYMERIZED POLYESTER RESIN AROUND SAID MANDREL MEANS AND SAID PARTING AGENT; REVOLVING A SPOL OF TAPE FORMED OF IMPREGNATED UNPOLYMERIZED POLYESTER RESIN HAVING AN END ADHERED OVER AND FIXED WITH RESPECT TO SAID MANDREL AROUND SAID MANDREL MEANS; AND CONTINUOUSLY ADVANCING SAID SPOL ALONG THE LONGITUDINAL AXIS OF SAID MANDREL MEANS WHILE REVOLVING THE SPOOL THEREAROUND.
Claim 3
Dependent Claim
221 words
A TAPE WINDING MACHINE COMPRISING: FRAME MEANS; MANDREL MEANS NON-ROTATABLY SUPPORTED ON SAID FRAME MEANS; MEANS FOR SPIRALLY WINDING A TAPE FORMED OF A CLOTH IMPREGNATED WITH AN UNPOLYMERIZED POLYESTER AROUND SAID MANDREL, SAID MEANS INCLUDING SPOOL MEANS ADAPTED TO SUPPORT AND DISPENSE SAID TAPE WHEN A FREE END THEREOF IS ADHERED OVER AND FIXED WITH RESPECT TO SAID MANDREL MEANS; A PARTING TAPE BEING WOULD UPON SAID SPOOL MEANS BETWEEN SUCCESSIVE LAYERS OF THE TAPE; MEANS SUPPORTING SAID SPOOL MEANS FOR REVOLUTION AROUND SAID MANDREL MEANS; SECOND SPOL MEANS SIMILARLY SUPPORTED FOR REVOLUTION ABOUT SAID MANDREL MEANS WITH SAID FIRST MENTIONED SPOOL MEANS; MEANS FOR TRANSLATING THE REVOLUTION OF SAID SECOND SPOOL MEANS AROUND SAID MANDREL MEANS INTO ROTATION OF SAID SECOND SPOOL MEANS IN A DIRECTION TO TAKE UP THE PARTING TAPE; GUIDE MEANS SUPPORTED FOR REVOLUTION AROUND SAID MANDREL FOR REMOVING SAID PARTING TAPE FROM SAID FIRST MENTIONED SPOOL MEANS AND WINDING SAID PARTING TAPE UPON SAID SECOND SPOOL MEANS; AND MEANS FOR AXIALLY AND RECIPROCABLY MOVING BOTH SAID SPOOL MEANS RELATIVE TO THE LONGITUDINAL AXIS OF SAID MANDREL MEANS WHILE BOTH SAID SPOOL MEANS ARE REVOLVING AROUND SAID MANDREL MEANS, WHEREBY THE RESIN IMPREGNATED TAPE IS DISPENSED FROM SAID SPOOL MEANS AND WOUND OVER SAID MANDREL MEANS AS SAID SPOOL MEANS ARE MOVED IN EITHER RECIPORCABLE DIRECTION.
Claim 4
Dependent Claim
221 words
A TAPE WINDING MACHINE COMPRISING: FRAME MEANS; MANDREL MEANS NON-ROTATABLY SUPPORTED ON SAID FRAME MEANS; MEANS FOR SPIRALLY WINDING A TAPE FORMED OF A CLOTH IMPREGNATED WITH AN UNPOLYMERIZED POLYESTER AROUND SAID MANDREL, SAID MEANS INCLUDING SPOOL MEANS ADAPTED TO SUPPORT AND DISPENSE SAID TAPE WHEN A FREE END THEREOF IS ADHERED OVER AND FIXED WITH RESPECT TO SAID MANDREL MEANS; A PARTING TAPE BEING WOULD UPON SAID SPOOL MEANS BETWEEN SUCCESSIVE LAYERS OF THE TAPE; MEANS SUPPORTING SAID SPOOL MEANS FOR REVOLUTION AROUND SAID MANDREL MEANS; SECOND SPOL MEANS SIMILARLY SUPPORTED FOR REVOLUTION ABOUT SAID MANDREL MEANS WITH SAID FIRST MENTIONED SPOOL MEANS; MEANS FOR TRANSLATING THE REVOLUTION OF SAID SECOND SPOOL MEANS AROUND SAID MANDREL MEANS INTO ROTATION OF SAID SECOND SPOOL MEANS IN A DIRECTION TO TAKE UP THE PARTING TAPE; GUIDE MEANS SUPPORTED FOR REVOLUTION AROUND SAID MANDREL FOR REMOVING SAID PARTING TAPE FROM SAID FIRST MENTIONED SPOOL MEANS AND WINDING SAID PARTING TAPE UPON SAID SECOND SPOOL MEANS; AND MEANS FOR AXIALLY AND RECIPROCABLY MOVING BOTH SAID SPOOL MEANS RELATIVE TO THE LONGITUDINAL AXIS OF SAID MANDREL MEANS WHILE BOTH SAID SPOOL MEANS ARE REVOLVING AROUND SAID MANDREL MEANS, WHEREBY THE RESIN IMPREGNATED TAPE IS DISPENSED FROM SAID SPOOL MEANS AND WOUND OVER SAID MANDREL MEANS AS SAID SPOOL MEANS ARE MOVED IN EITHER RECIPORCABLE DIRECTION.
References Cited (Backward Citations)
US2733753A
Cited
US2537126A
Cited
US2760896A
Cited
US2782833A
Cited
US2804907A
Cited
US2887150A
Cited
USRE25457E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |