Claims
- 1. A method of unwinding
- a package of textile fibers comprising a continuous core of yarn, said yarn being compactly folded within convolutions of a uniform helically, compactly wound mass of yarn, said yarn compressed within a long tube of flexible material, said folded and helically wound mass of said yarn being compressed in said tube so that said mass of said yarn expands after removal of said tube from around said mass
- comprising continuously
- (a) passing the tube of flexible material over a
- (b) rigid tube having rigidly mounted thereon slitting means, and
- (c) slitting said tube, while
- (d) withdrawing the compacted yarn.
- 2. The method of claim 1 wherein said slitting means is a knife.
- 3. The method of claim 1 wherein said slitting means is a heated wire.
- 4. The method of claim 1 wheren said yarn is withdrawn through said rigid tube at a constant rate and the rate of flexible film removal is controlled to maintain a level of compacted yarn in said tube of flexible material upstream of said slitting.
- 5. A method of unwinding
- a package of fluid conveyable material comprising a continuous core of said fluid conveyable material compactly folded within convolutions of a uniform, helically compactly wound mass, said conveyable material compressed within a long tube of flexible material, said folded and helically wound mass of said conveyable material being compressed in said tubes so that said mass of said conveyable material expands after removal of said tube from around said mass
- comprising continuously passing the tube of flexible material over a rigid tube having rigidly mounted thereon slitting means and slitting said tube, while withdrawing the compacted fluid conveyable material.
Parent Case Info
This is a division of application Ser. No. 360,237, filed May 14, 1973, now U.S. Pat. No. 3,980,176, which was, in turn, a division of application Ser. No. 107,386, filed Jan. 18, 1971, now U.S. Pat. No. 3,757,010.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2,088,655 |
Jul 1972 |
FR |
Divisions (2)
|
Number |
Date |
Country |
Parent |
360237 |
May 1973 |
|
Parent |
107386 |
Jan 1971 |
|