US3929301A

US3929301A - Dye tube for compressive packaged dyeing

Info

Publication number: US3929301A
Application number: US550732A
Authority: US
Inventors: Frank Fyans; Steve I Biroczky
Original assignee: Individual
Current assignee: Individual
Priority date: 1975-02-18
Filing date: 1975-02-18
Publication date: 1975-12-30
Anticipated expiration: 1992-12-30

Abstract

A plastic tube with yarn wound thereon which is collapsible longitudinally for compressive dyeing of the yarn, the tube having a plurality of axially spaced solid rings with aligned web members between each of the rings, each web member consisting of a part having a V-shaped configuration which is substantially rigid, the apex of such part joining with a U-shaped yieldable further part which has its legs connected to the next adjacent ring, such legs converging relative to each other at an angle of about 10*. When the tube is axially compressed, the apex of the V-shaped part is moved towards the adjacent ring and the legs of the yieldable part are bowed - one on each side of the V-shaped part - whereby the tube is compressible to about one-half its original height.

Description

United States Patent 11 1 Frank et al.

1 1 Dec. 30, 1975 DYE TUBE FOR COMPRESSIVE PACKAGED DYEING [22] Filed: Feb. 18, 1975 [21] Appl. No.: 550,732

3,756,532 9/1973 Draper 242/1 18.11 3,759,461 9/1973 Draper 242/1 18.11 3,827,652 8/1974 Burchette, Jr. 242/1 18.11

Primary Examiner-Stanley N. Gilreath Attorney, Agent, or Firm-Mason, Mason & Albright [57] ABSTRACT A plastic tube with yarn wound thereon which is collapsible longitudinally for compressive dyeing of the yarn, the tube having a plurality of axially spaced solid rings with aligned web members between each of the rings, each web member consisting of a part having a V-shaped configuration which is substantially rigid, the apex of such part joining with a U-shaped yieldable further part which has its legs connected to the next adjacent ring, such legs converging relative to each other at an angle of about 10. When the tube is axially compressed, the apex of the V-shaped part is moved towards the adjacent ring and the legs of the yieldable part are bowed one on each side of the V-shaped part whereby the tube is compressible to about one-half its original height.

17 Claims, 4 Drawing Figures US, Patent Dec. 30, 1975 Sheet 2 of2 3,929,301

DYE TUBE FOR COMPRESSIVE PACKAGED DYEING I BACKGROUND OF THE INVENTION In the art of winding and dyeing of textile yarn, it is known to use plastic tubes which are yieldable longitudinally in the dyeing operation wherein yarn wound on such tubes is compressed within a container before receiving the dye. The plastic type tubes are generally disposable and a considerable portion of their surface must be opened in order to permit the flow of dye into the yarn. Prior to the dyeing operation, the yarn is wound upon such tubes and after the yarn has been dyed, the tubes are again used for supporting the yarn as it is unwound therefrom. Examples of plastic textile tubes of the type involved may be found disclosed in the following U.S. Pat. Nos: 3,561,697, 3,563,491, 3,718,287 3,753,534, 3,756,531, 3,756,532 and 3,759,461.

Plastic tubes of the type involved on the market today may present certain problems. Thus, it is often necessary that the tubes be prewrapped in filter paper in order to ensure that yarn is not caught when yarn is wound thereon or subsequently when unwound whereby a loss of same may occur. At present, losses of about 1% percent average are to be anticipated. An other problem is that the tube may not collapse in an even manner and thus thereafter is not received correctly on an arbor for unwinding. The amount that a tube of the type involved is capable of collapsing is also an important characteristic of such tubes. In general, the more that the tube is capable of collapsing the better, inasmuch as more yarn is capable of being dyed in a single operation and the density of the yarn ungoing such dyeing operations is more uniform for a better result. Another problem encountered with plastic tubes for textile yarn is that they may have a tendency to screw themselves off of an arbor either when being wound or unwound and are not generally'adaptable to high speed winding above 900 yards per minute.

SUMMARY OF THE INVENTION The invention relates to a plastic tube which is adapted to undergo compressive packaged dyeing and more particularly to a tube of this type which undergoes longitudinal compression while its radial dimensions remain substantially constant.

Essentially the invention is directed to a plastic tube of the type discussed above which, when compressed during the dyeing operation, undergoes a compression which is guided or directed in its nature. A substantial compression of up to almost one-half of the original height of the tube is possible and the tube either in its non-compressed or compressed condition is resistant to twisting. During winding or unwinding yarn on the tube in accordance with the invention, because of the configuration of the tube and the webs which permit the compression, the catching of the yarn in the tube is unlikely. This, in turn, permits the use of tubes in accordance with the invention without the necessity of wrapping same with filter paper. The openings of the tube are sufficient to ensure that an ample amount of the dyeing fluid is uniformly received throughout the yarn. Moreover, when the compression of the tube takes place, it occurs in a uniform manner and due to this characteristic and the fact that the tube is resistant to a twisting force, it does not have a tendency to un- 2 screw itself from winding or unwinding arbors and thus is capable of winding speeds up to and in excess of 1100 yards per minute. At the same time the average loss of yarn on a tube in accordance with the invention is substantially reduced from the present 1% percent average.

A tube with the above described characteristics and advantages is the primary object of the instant invention. However, other objects, adaptabilities and capabilities will be recognized by those skilled in the art as the description progresses, reference being had to the accompanying drawings,in which:

. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side elevation of a tube in accordance with the instant invention in its uncompressed condition;

FIG. 2 is a sectional view taken on lines 2 2 of FIG.

FIG. 3 shows the same tube as shown in FIG. 1 in its axially compressed state and FIG. 4 is a fragmentary enlarged view of a typical web with dimensions indicated provided between successive rings of the tube in an uncompressed condition.

DESCRIPTION OF THE PREFERRED EMBODIMENT The tube designated generally by reference numeral 10 is preferably made of a thermal plastic synthetic resin. It will be noted that it is provided with a plurality of interior solid rings 11 and somewhat larger end rings 12, the rings 11 and 12 being joined with a plurality of aligned webs each designated by reference numeral 14. It will be noted that eight webs are provided between adjacent rings 11 and 11 and] 12. Each web 14 comprises a V-shaped substantially rigid part 15 which has a triangular opening 16 and which joins about midway between the corresponding rings 11 or 11 and 12 with a yieldable U-shaped part 17 which includes a pair of

legs

20 and 21. In the central portion of the U-shaped part 17 an apex portion 22 of the V-shaped part 15 is provided which is curved with the

legs

20 and 21 being bowed outwardly in either direction therefrom and also somewhat upwardly. As shown in FIG. 3, when the tube 10 is compressed, the U-shaped part 17 is deformed whereby it is W-shaped with the apex 22 touching or near the adjacent ring 11 or 112.

It will be understood that the V-shaped parts 15 not only are substantially rigid but also assist in providing rigidity to the rings 11 and 12. In addition, with the

legs

20 and 21 in the position shown in FIG. 3, any tendency of the tube 10 to twist on an arbor while being wound or unwound is definitely resisted.

As may be seen with reference to FIG. 2, the outer surfaces of the webs 14 coincide with the rings 11 and 12 and their disposition is such that there is an avoidance of catching yarn in the various openings of tube 10 during the winding or unwinding operations.

Each of the

legs

20 and 21 of each web part 17 converge towards the adjacent ring 11 at an angle of about 10 relative to each other whereby the angle of each

leg

20 or 21 with the ring 11 or 12 is about As seen in FIG. 2, the webs 14 have their individual sides through thickness parallel within

segments

24, 25, and 26 and 17. Such design is utilized for the purpose of simplifying the manufacture of the tube 10 without adversely affecting its advantages.

It is to be understood, the tube 10 is not resilient in the sense that it would return from the shape shown in FIG. 3 to that shown in FIG. 1. Instead, when the tube is compressed to the state shown in FIG. 3, a more or less permanent deformation of the plastic takes place and, upon release of the compression, only minimal elongation will occur. It is also to be appreciated that although the tube 10 has been designed so that it is not necessary to wrap it with filter paper, nevertheless for certain types of yarn and applications it still may be considered desirable by manufacturers of yarn to order such tubes wrapped with filter paper.

It is interesting to note that both in the compressed and uncompressed state, the aligned webs 14 across common rings 11 give a heart-shaped appearance. It is further to be appreciated that although the preferred embodiment of the invention has been described, it is to be understood that it is capable of other adaptations and modifications within the scope of the appended claims.

Having thus described our invention, what we claim as new and desire to secure by Letters Patent of the United States is:

1. A dye tube for compressive packaged dyeing which comprises a plurality of substantially rigid rings which fall within the same cylindrical plane and are spaced apart axially along same plane, a plurality of web members spaced between adjacent of said rings, said web members lying substantially within said cylindrical plane, each said web member comprising a V- shaped part having its legs directly connected to a said ring and an apex portion thereof extending away from said ring, and a U-shaped part with the legs thereof directly connected to and extending from the next adjacent ring and its centrally located portion connected to said apex portion, said legs of said U-shaped part being yieldable whereby, with the application of compressive force along the axis of said cylindrical plane, said central portion is bowed towards said adjacent ring and said legs of said U-shaped part are bowed relative to said apex.

2. A dye tube in accordance with claim 1 wherein said legs of said U-shaped part converge towards said adjacent ring.

3. A dye tube in accordance with claim 1 wherein an opening is provided in said V-shaped part.

4. A dye tube in accordance with claim 1 wherein said tube is composed of a plastic yieldable material.

5. A dye tube in accordance with claim 1 wherein said tube is composed of a thermal plastic material.

6. A dye tube in accordance with claim 1 wherein said legs of said U-shaped part converge towards said adjacent ring at an angle relative to each other of about 10.

7. A dye tube in accordance with claim 1 wherein said V-shaped parts are disposed on the same side of each said ring.

8. A dye tube in accordance with claim 7 wherein said V-shaped parts are aligned axially.

9. A dye tube in accordance with claim 1 wherein said V-shaped parts of each of said ring are aligned axially.

10. A dye tube in accordance with claim 1 wherein said webs are aligned axially, said apex portions each pointing in the same direction whereby said U-shaped part on one side of said ring has its legs connected to such said ring opposite the V-shaped part extending from such said ring, such parts together presenting an approximately heart-shaped configuration.

1 1. In a dye tube for compressive packaged dyeing, a pair of substantially rigid rings which are contained within the same cylindrical plane and are spaced apart axially along such plane, a web member joining said rings, said web member comprising a substantially rigid part which is directly connected with one of said rings and a yieldable part directly connected to and extending from the other said ring to join said first mentioned part, said yieldable part comprising a pair of leg portions which are curved outwardly relative to each other and meet where said parts join together.

12. A dye tube in accordance with claim 11 wherein said rigid part has a V-shaped configuration.

13. A dye tube in accordance with claim 12 wherein said rigid part is provided with a Y-shaped opening therethrough.

14. A dye tube in accordance with claim 12 wherein said yieldable part is approximately U-shaped, said leg portions comprising the legs of the U.

15. A dye tube in accordance with claim 14 wherein said leg portions converge towards said other ring.

16. A dye tube in accordance with claim 15 wherein said leg portions converge at an angle relative to each other of about 10.

17. A dye tube in accordance with claim 12 wherein said rigid part and said yieldable part join at a location approximately midway between said pair of rings.

Claims

1. A dye tube for compressive packaged dyeing which comprises a plurality of substantially rigid rings which fall within the same cylindrical plane and are spaced apart axially along same plane, a plurality of web members spaced between adjacent of said rings, said web members lying substantially within said cylindrical plane, each said web member comprising a V-shaped part having its legs directly connected to a said ring and an apex portion thereof extending away from said ring, and a U-shaped part with the legs thereof directly connected to and extending from the next adjacent ring and its centrally located portion connected to said apex portion, said legs of said U-shaped part being yieldable whereby, with the application of compressive force along the axis of said cylindrical plane, said central portion is bowed towards said adjacent ring and said legs of said U-shaped part are bowed relative to said apex.

6. A dye tube in accordance with claim 1 wherein said legs of said U-shaped part converge towards said adjacent ring at an angle relative to each other of about 10*.

11. IN A DYE TUBE FOR COMPRESSIVE PACKAGED DYEING, A PAIR OF SUBSTANTIALLY RIGID RINGS WHICH ARE CONTAINED WITHIN THE SAME CYLINDRICAL PLANE AND ARE SPACED APART AXIALLY ALONG SUCH PLANE, A WEB MEMBER JOINING SAID RINGS, SAID WEB MEMBER COMPRISING A SUBSTANTIALLY RIGID PART WHICH IS DIRECTLY CONNECTED WITH ONE OF SAID RINGS AND A YIELDABLE PART DIRECTLY CONNECTED TO AND EXTENDING FROM THE OTHER SAID RING TO JOIN SAID FIRST MENTIONED PART, SAID YIELDABLE PART COMPRISING A PAIR OF LEG PORTIONS WHICH ARE CURVED OUTWARDLY RELATIVE TO EACH OTHER AND MEET WHERE SAID PARTS JOIN TOGETHER.

13. A dye tube in accordance with claim 12 wherein said rigid part is provided with a V-shaped opening therethrough.

14. A dye tube in accordance with claim 12 wherein said yieldable part is approximately U-shaped, said leg portions comprising the legs of the ''''U.''''

16. A dye tube in accordance with claim 15 wherein said leg portions converge at an angle relative to each other of about 10*.