US2249468A - Tube and method of making the same - Google Patents
Tube and method of making the same Download PDFInfo
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- US2249468A US2249468A US100096A US10009636A US2249468A US 2249468 A US2249468 A US 2249468A US 100096 A US100096 A US 100096A US 10009636 A US10009636 A US 10009636A US 2249468 A US2249468 A US 2249468A
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- strips
- strip
- tube
- mandrel
- coloring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C3/00—Making tubes or pipes by feeding obliquely to the winding mandrel centre line
Definitions
- a tensioning device 36 are associated with the strip coloring device for guiding said strip and regulating the tension thereof.
- a guide pulley 38 and a pressure roll 40 are associated with the solvent applying device.
- the solvent applying device hereinbefore referred to may be omitted, but as iirfproved results are obtained'loy first applying-thecoloring material in the solvent and subsequently again moistening the strip with solvent, the use of said solvent applying device in addition tothe coloring device is preferred.
- the strip I0 is conducted to a dryingdevice 42, including spaced rollers 44 and 46, over which 2,249,468 I .i L17;
- Figs. 2 and 9 When the strip I0 with the applied stripe is wound on the mandrel together with the strip I2 a tube I04 (Fig. 8) having a helical stripe I06 is produced.
- Various other designs may be produced, as for example, by applying a plurality of stripes I02 to the'stripmin the sameior contrasting colors,
- the striping member I00 comprises a wick carried by a screw-threaded 5 holder I08 removably and adjustably mounted in fasjupport"I'I0 secured to the frame 50. Provision ism'ade' ;for'nio 1inting a plurality of wick holders I08 in the support" IIO, said support having a plurality oi screw+threaded openings I I2 through .which the holders I08 project. I I2"are spaced laterally from each other so that Said openings the striping members I00 may engage the surface said strip is caused to pass and thereby subjected Y of the strip at-laterally spaced points thereby I producing; spaced stripes on the strip.
- the wick is immersed in thecoloring liquid which is preferably a mutual solvent for the coloring material and for the material of the strip, as in the case of the coloringmaterial described above for coloring the strip;
- thecoloring liquid which is preferably a mutual solvent for the coloring material and for the material of the strip, as in the case of the coloringmaterial described above for coloring the strip;
- provision ismade for. applying. a plurality of stripes of roller 44 is freely rotatable, is adjustably fixed 1 in the bar 48 by means of a set screw 62.
- a rod 64 is carried by and projects from the upper end of the bar 48.
- a bracket 66, having asplit end 68, is clamped to said rod in adjusted position by a stud bolt I0.
- the spindle I2, on which the roller 46 is freely rotatable, is supported by said.
- a guide 82 is secured to the bar 48 by a screw 84.
- Said guide comprises spaced confronting end portions 86 and 88 de-' fining an open-ended slot 90 within which the strip I0 moves as it passes between the rollers 44 and 46.
- Said guide 82 is provided with a slotted portion 92 which is engaged by the bolt 84 for adjustable securement of the guide to the bar 48.
- the roller 48 longitudinally of the rod 84, the time of exposure of the strip I0 to the atmosphere for drying purposes may be varied. It will be noticed that the strip I0, after it leaves the solvent applying roller 22, passes under the guide pin 5
- the strip l2 passes from the roll I8 beneath the pin 5
- the coloring material for striping orornamenting is preferably appliedso that it will be at the welded seam portions of the tube.'.
- retarding member 43 and then to the mandrel stripes. are disposed on the inner surface of the outer strip of the tubeibut are visible as the ma- Sald stripes may; however, be appliedfto: the 'outersurface of thestrip I0, .and-should be applied to said surface-whenthefstrip is composed of opaque Protectoid, Cellophane? or other similar material, or whengthe stripes are appliedto opaque paper strips oithe character utilized in making paper drinking straws; Inthe latter case, the stripes will be visible through the wax waterproofing coating applied tothe tubes after they are formed on the mandrel. Also, insteadof utilizing a striping ,device there may be utilized a dotting or stippling device, or as illustrated in Fig.
- the design may be applied tothe strip I0 by a-printing device I20 (Fig. 11).
- a-printing device I20 (Fig. 11).
- the printing device issubstituted for the striping device shown in Fig. 1, and like the latter is preferably positioned between the coloring device including the roll 28 and the solvent applying device including the roll 22.
- Said printing device I20 may be of anywell known form, and as herein diagrammatically shown, may comprisean engraved roller I22 which is supplied with coloring or suitabl'eprinting material by a roller I24 which dips intothe coloring ma terial in the pan I26. A platen or pressure roll the design to the latter, as the'strip issupplied it will be observed that the strip I0 passes over,
- the roll I4 may comprise pre-printed'or ornamented material in one or more colors, in whichcase the printing or stripwill be; unnecessary.
- mentingxdeyice I30 is: disposedv adjacent the mandrel;; l8 and is arranged to apply the color- It will beTunderstood further that in the proproduce'scolored tubes, :onlyone .of the strips,: preferably: the :outer strip, need be colored; Whenithe outer strip l6 .istransparent the inner ing materiahtothe material-of the tube after thelatter iSJformed; Said device, as here. shown.
- stripimayxbe colored or ornamented in which case it will be unnecessary to color or ornament.
- stripingmem-v ber I32 which is preferablya-wick carried by a holder lfld; adjustable in. a plate [36, and posie tionedyovera-pan 133 of coloring material in which the end of the wick is immersed.
- Said striping member 132 is preferably positionedbetweem-the belt :28 andthe free end of the mandrel," As the striping member I32 is sta- 12 0 tionary and as the tube revolves on the mandrel,-
- said: striping member is efiective to produce on the tubejaahelical stripe similar to that illustrated inFig/8.,- Obviously, aplurality of. striping members-+32 maybe arranged to produce a plu-s ralityof :stripeson the tube.
- the mandrel may he V treated inthesameiway asthatfdescribed above in connection: with :the strip [0, and the coloring material: with oriwithout additional striping or ornamenting will'be applied to the surface thereof :whichwill be'disposedznext to the surface'oftthe outerzstrip H1 in the tube.
- the tube is cut into suite able :lengths as it leaves the mandrel, but no waterproofing thereof is necessary as the mate rialof the tube is non-absorbent, moisture proof and hon-hygroscopic.
- the design was applied at apoint between the color applying device and the solvent applying device. It will be further understood that the design may be applied to the strip Ill, whether or not the strip is colored as described above, by the apparatus herein ,illustrated or. whether said strip has no color other than the normal color of the material. It is also within the scope of the present invention toform the tube impart at least of opaque sheet material. ,Thus, for example, the innerstrip or layer strips on :the mandrel thereby forming a tube having-a surface. in contrasting colors.
- the strips-areunwoundv from strip rolls and simultaneously are spirally wound on a mandrel to i2 maybe opaque.
- the outer strip or layer may;.b e*transparent and the coloring material applied to the outer surface of the inner strip or to theinner surfaceoftheouterstrip or otherwise applied so thatin the finishedtube itis.
- the coloring agent being contained in a solvent therefor and for said strips, and winding said colored strip together with another strip in overlapping relation on said mandrel whereby said strips are united to form a multi-layer tube.
- the method of making colored transparent tubes which comprises associating a pluralityof strips of transparent sheet material, applying 'a stripe of coloring material of less width than the width of the strip and contained in a solvent for said strips to at least one of said strips, and spirally winding said strips together and uniting the same to form a tube while the coloring material is being applied to said one of the strips.
- a tube comprising a plurality of strips of transparent and waterproof non-fibrous cellulosio sheet material spirally wound together in superposed relation, at least one of said strips having coloring material thereon between its side edges and extending spirally of the tube for ornamenting said tube, said strips being secured together in said relation by a substance which contains said coloring material.
- a tube comprising a plurality of strips of transparent and waterproof non-fibrous cellulosic sheet material including an inner strip and an outer strip spirally wound and fused together in tube formation, and a stripe of coloring matter on the material of the tube between the inner and outer surfaces thereof and of less width than the Width of the strip, said coloring matter being contained in a solvent for the material of said strips for fusing them together in tube formation, said coloring matter being visible through the material of the tube externally of the latter by reason of the transparency of said cellulosic sheet material.
- a tube comprising a plurality of layers of material extending in continuous relation peripherally and longitudinally of the tube, including an inner layer and a transparent outer layer of non-fibrous ceuulosic sheet material, and a stripe of coloring material of less width than the width of the cellulosic sheet between said inner and outer layers, said strips being secured together in said relation by a substance which contains said coloring material, said coloring material being visible externally of the tube, by reason of the transparency of said outer layer.
- a tube comprising a plurality of strips of sheet material including an inner strip and an outer strip spirally wound together in tube formation, said outer strip being composed of transparent non-fibrous cellulosic sheet material, and a stripe of coloring material of less width than the width of the strip between the adjacent surfaces of said strips, said coloring matter being contained in a solvent for the material of said strips for fusing them together in tube formation, said coloring material being visible externally of the tube by reason of the transparency of said outer, layer.
- a drinking straw or tube comprising a plurality of strips of waterproof non-fibrous cellulosic sheet material spirally wound together in superposed tube-forming relation, at least one of said strips having coloring material on a surface thereof disposed between the inner and outer surfaces of the tube for ornamenting the latter, the outer strip being sufficiently transparent to disclose said coloring material, said strips being secured together in said relation by a substance which contains said coloring material.
Description
' July 15, 1941. -A. M. GOLDSTEIN arm.
TUBE AND METHOD OF MAKING .THE SAME Filed Sept. 10; 19 56 3 Sheets-Sheet 1 INVENTOR #14, Gr! M.
Gol-ns y-c'w 8: Harpy 5010mm" ATTORNEY Jillyis, 1941.
A. M. GOLDSTEIN ETAL TUBE AND METHOD OF MAKING THE SAME Filed Sept. 10, 1936 5 Sheets-Sheet 2 604057-51, 8: y \SKHOEN. BY 6 ATTORNEY July 15,1941; "Aim; m; **'z,249.'4e8
'- TUBE AND METHOD OF MAKING THE SAME 3 Sheets-Sheet 3 Filed Sept. 10, .1936
m f s Y mm E To N N R E. m W T I A Z u & 0 Y E a tensioning device 36 are associated with the strip coloring device for guiding said strip and regulating the tension thereof. A guide pulley 38 and a pressure roll 40 are associated with the solvent applying device. As the liquid coloring agent for the strip I is also a solvent for said strip material, the solvent applying device hereinbefore referred to may be omitted, but as iirfproved results are obtained'loy first applying-thecoloring material in the solvent and subsequently again moistening the strip with solvent, the use of said solvent applying device in addition tothe coloring device is preferred.
After the strip I0 is thus treated .withv the sol-'- vent, said strip instead of passing directlyto the mandrel from the roll 22 is caused totravel -a'- suitable distance until the solvent has evaporated to a considerable extent, thereby partially dry;
ing the strip and thus avoiding moistening of the mandrel with the solvent. For this purpose,-
the strip I0 is conducted to a dryingdevice 42, including spaced rollers 44 and 46, over which 2,249,468 I .i L17;
longitudinally between the side edges thereof, as
shown more clearly in Figs. 2 and 9. When the strip I0 with the applied stripe is wound on the mandrel together with the strip I2 a tube I04 (Fig. 8) having a helical stripe I06 is produced. Various other designs may be produced, as for example, by applying a plurality of stripes I02 to the'stripmin the sameior contrasting colors,
" and inwarious' other ways which will occur to those skilled in the art in view of the present disclosure.
illustrated in Fig. 2, the striping member I00 comprises a wick carried by a screw-threaded 5 holder I08 removably and adjustably mounted in fasjupport"I'I0 secured to the frame 50. Provision ism'ade' ;for'nio 1inting a plurality of wick holders I08 in the support" IIO, said support having a plurality oi screw+threaded openings I I2 through .which the holders I08 project. I I2"are spaced laterally from each other so that Said openings the striping members I00 may engage the surface said strip is caused to pass and thereby subjected Y of the strip at-laterally spaced points thereby I producing; spaced stripes on the strip. The wick is immersed in thecoloring liquid which is preferably a mutual solvent for the coloring material and for the material of the strip, as in the case of the coloringmaterial described above for coloring the strip; As illustrated in Fig.2, provision ismade for. applying. a plurality of stripes of roller 44 is freely rotatable, is adjustably fixed 1 in the bar 48 by means of a set screw 62. A rod 64 is carried by and projects from the upper end of the bar 48. A bracket 66, having asplit end 68, is clamped to said rod in adjusted position by a stud bolt I0. The spindle I2, on which the roller 46 is freely rotatable, is supported by said.
difierentcolors to the strip and for this purpose a plurality of .containers I I4 are disposed below the supportrll0zon= a shelf IIIi secured to the frame-50.x The coloring material for striping orornamenting is preferably appliedso that it will be at the welded seam portions of the tube.'.
When. the-stripes are-applied to the material of the tubeyspecifically-to the strip I0, as just described, and the strip isuwound on the mandrel together with the strip I2 to form the tube, the
terial of the tube .is transparent.
retarding member 43, and then to the mandrel stripes. are disposed on the inner surface of the outer strip of the tubeibut are visible as the ma- Sald stripes may; however, be appliedfto: the 'outersurface of thestrip I0, .and-should be applied to said surface-whenthefstrip is composed of opaque Protectoid, Cellophane? or other similar material, or whengthe stripes are appliedto opaque paper strips oithe character utilized in making paper drinking straws; Inthe latter case, the stripes will be visible through the wax waterproofing coating applied tothe tubes after they are formed on the mandrel. Also, insteadof utilizing a striping ,device there may be utilized a dotting or stippling device, or as illustrated in Fig. 11, the design may be applied tothe strip I0 by a-printing device I20 (Fig. 11). As here shown,;the printing device issubstituted for the striping device shown in Fig. 1, and like the latter is preferably positioned between the coloring device including the roll 28 and the solvent applying device including the roll 22. Said printing device I20 may be of anywell known form, and as herein diagrammatically shown, may comprisean engraved roller I22 which is supplied with coloring or suitabl'eprinting material by a roller I24 which dips intothe coloring ma terial in the pan I26. A platen or pressure roll the design to the latter, as the'strip issupplied it will be observed that the strip I0 passes over,
and in contact with a member I00 which applies a coloring agent to the surface of said strip I0, forming a stripe I02 on said strip extending from the roll I4 to themandrel, is preferred, it will be understood that the roll I4 may comprise pre-printed'or ornamented material in one or more colors, in whichcase the printing or stripwill be; unnecessary. 1
ingot the strip as it is supplied tothe mandrel It isalsowithin the scope of the present invention .toornament the tube after it is formed,-
and this may. be done m lieu of, or in addition to the. ornamentation applied to the strip prior to Thus; as illustrated in Fig. .12, for example, atube-orna the winding thereof on the mandrel.
mentingxdeyice I30 is: disposedv adjacent the mandrel;; l8 and is arranged to apply the color- It will beTunderstood further that in the proproduce'scolored tubes, :onlyone .of the strips,: preferably: the :outer strip, need be colored; Whenithe outer strip l6 .istransparent the inner ing materiahtothe material-of the tube after thelatter iSJformed; Said device, as here. shown.
stripimayxbe colored or ornamented, in which case it will be unnecessary to color or ornament.
by way of illustration, comprises a stripingmem-v ber, I32 which is preferablya-wick carried by a holder lfld; adjustable in. a plate [36, and posie tionedyovera-pan 133 of coloring material in which the end of the wick is immersed. Said striping member 132 is preferably positionedbetweem-the belt :28 andthe free end of the mandrel," As the striping member I32 is sta- 12 0 tionary and as the tube revolves on the mandrel,-
said: striping member is efiective to produce on the tubejaahelical stripe similar to that illustrated inFig/8.,- Obviously, aplurality of. striping members-+32 maybe arranged to produce a plu-s ralityof :stripeson the tube.
After the-surface design is applied to the mate.- rial of-the tube, either before the material is wound on the mandrel, or after it is wound on the mandrel andthe tube formed, the manufacturing-operations of the tube are completed. In the case of tubesmade from strips of paper,
they-tare cut into suitable lengths as they. come off the mandrel, and subsequently the cut tubes are coated-withwax to render them waterproof.
In the case of tubes made of the cellulose mate duotion of. colored tubes, in accordance with the presentinvention, therem'ay be utilized strips of pro-colored. material, and for accomplishing the object of.the presentinvention, that is to the .outer... strip .10, or a pre-colored. or preornamented inner strip I2. may be utilized 'instead of the pre-colored or pre-ornamented strip l0. -;'I'he'inner .strip' I2 when iornamented' or. colored;as;it .1is supplied to. the mandrel may he V treated inthesameiway asthatfdescribed above in connection: with :the strip [0, and the coloring material: with oriwithout additional striping or ornamenting will'be applied to the surface thereof :whichwill be'disposedznext to the surface'oftthe outerzstrip H1 in the tube. Various rial,-as described above, the tube is cut into suite able :lengths as it leaves the mandrel, but no waterproofing thereof is necessary as the mate rialof the tube is non-absorbent, moisture proof and hon-hygroscopic.
While we-have illustrated the devices for ap-1 plying-various designs to the strip orto the tube, v:. formed by winding the strip on the mandrel, it
will bejunderstood that the devices herein dis,-
closed are merely illustrative of the various ways.
of practicing the present method. It will .be
furtherunderstood that the method ofapplying, thedesigns to the strip or to the tube maybe performed by hand, in which case the devices hereinbefore referred to may bedispensed with,
other changes and modificationsof the invention less otherwise specifically stated, the steps inthe method may be performed in a sequence which differsfgfromthe order of their recitation in the claims.=. 5
Having described our invention, what we claim.
anddesire tosecure by Letters Patent is:
1. In the method of making a tube from strips of suitable material accordingto which method thestrips' are unwound from strip rolls and simultaneously are spirally wound on a mandrel to form. the tube, the step--; of treating'one of said stripsto causetlie same :to unite with another stripwhen' spirally wound together on the man?- dreLappIying a-coloring agentto a part only of thewidth-of the surface of one side of one of saidstrips longitudinallythereof while it is being unwound from its roll and prior to the winding thereofrson the mandrel, and winding said Thus, for example, we have produced ornamented' tubes. by manually applyingthe coloringm'aterial to the strip 10, and more particularlyxto-the surfaces thereof, which is positioned internally of the tube after the latter-isformed, by holding a sponge or, wick, moistened with the coloring material, in engagement with said surface as the strip passes from the roll Hi to the mandrel. In that case, the design was applied at apoint between the color applying device and the solvent applying device. It will be further understood that the design may be applied to the strip Ill, whether or not the strip is colored as described above, by the apparatus herein ,illustrated or. whether said strip has no color other than the normal color of the material. It is also within the scope of the present invention toform the tube impart at least of opaque sheet material. ,Thus, for example, the innerstrip or layer strips on :the mandrel thereby forming a tube having-a surface. in contrasting colors.
2. In the ,method of making a tube from strips 5 of suitable material according to which method;
the strips-areunwoundv from strip rolls and simultaneously are spirally wound on a mandrel to i2 maybe opaque. andthe outer strip or layer may;.b e*transparent and the coloring material applied to the outer surface of the inner strip or to theinner surfaceoftheouterstrip or otherwise applied so thatin the finishedtube itis.
form-the tube,-the steps of coloring one of said strips-and simultaneously treating the same to cause it to unite with another strip when spirally woundmtogether on the mandrel, simultaneously applying a coloring agent to a part only of the the strips are unwound from strip rolls and simultaneously;--are spirally wound on the mandrel l disposedlbetween the inner andouter tube sur-'-" facestand .visiblel externally of thetube by reason-1. of the transparency of the outer layer or strip.
ing one of said strips as it is unwound from its roll, the coloring agent being contained in a solvent therefor and for said strips, and winding said colored strip together with another strip in overlapping relation on said mandrel whereby said strips are united to form a multi-layer tube.
4. The method of making tubes from a plurality of strips of suitable material which comprises spirally winding said strips together and uniting the same in superposed relation to form a tube, applying a surface design to the material of the tube during the winding of said strips on the mandrel, and after the said strips are wound together and united to form the tube, cutting the latter into suitable lengths.
5. The method of making tubes froma plurality of strips of suitable material which comprises applying coloring material to a surface of at least one of said strips, spirally winding said strips together and uniting the same in superposed relation to form a tube'while the coloring material is being applied to said surface of one of the strips, and after the said strips are wound together and united to form the tube cutting the latter into suitable lengths.
6. The method of making colored transparent tubes, which comprises associating a pluralityof strips of transparent sheet material, applying 'a stripe of coloring material of less width than the width of the strip and contained in a solvent for said strips to at least one of said strips, and spirally winding said strips together and uniting the same to form a tube while the coloring material is being applied to said one of the strips.
'7. A tube comprising a plurality of strips of transparent and waterproof non-fibrous cellulosio sheet material spirally wound together in superposed relation, at least one of said strips having coloring material thereon between its side edges and extending spirally of the tube for ornamenting said tube, said strips being secured together in said relation by a substance which contains said coloring material.
8. A tube comprising a plurality of strips of transparent and waterproof non-fibrous cellulosic sheet material including an inner strip and an outer strip spirally wound and fused together in tube formation, and a stripe of coloring matter on the material of the tube between the inner and outer surfaces thereof and of less width than the Width of the strip, said coloring matter being contained in a solvent for the material of said strips for fusing them together in tube formation, said coloring matter being visible through the material of the tube externally of the latter by reason of the transparency of said cellulosic sheet material.
9. A tube comprising a plurality of layers of material extending in continuous relation peripherally and longitudinally of the tube, including an inner layer and a transparent outer layer of non-fibrous ceuulosic sheet material, and a stripe of coloring material of less width than the width of the cellulosic sheet between said inner and outer layers, said strips being secured together in said relation by a substance which contains said coloring material, said coloring material being visible externally of the tube, by reason of the transparency of said outer layer.
10. A tube comprising a plurality of strips of sheet material including an inner strip and an outer strip spirally wound together in tube formation, said outer strip being composed of transparent non-fibrous cellulosic sheet material, and a stripe of coloring material of less width than the width of the strip between the adjacent surfaces of said strips, said coloring matter being contained in a solvent for the material of said strips for fusing them together in tube formation, said coloring material being visible externally of the tube by reason of the transparency of said outer, layer.
11. .In the method of making a tube from strips of suitable material according to which method the strips arespirally wound on a mandrel to form the tube, passing a plurality of said strips to the mandrel, applying a coloring agent to one of said strips in the course of its travel to the mandrel, treating one of said strips to cause it to unite with another strip when spirally wound together on the mandrel, and winding said strips on the mandrel to form the tube.
12. In the method of making a tube from strips of suitable material according to which method thestrips are spirally wound on a mandrel to form the tube, passing a plurality of said strips to the mandrel, applying a coloring agent to a part only of the width of one of said strips in the course of its travel to the mandrel, treating one of said strips to cause it to unite with another strip when spirally wound together on the mandrel, and winding said strips on the mandrel thereby forming atube having a surface in contrasting colorsf v 13. The method of making a tube from strips of suitable waterproof sheet material capable of being softened by a solventfor said material, according to which method the strips are spirally wound on a mandrel to form the tube, said method comprising passing a plurality of said strips to the mandrel, moistening one of said strips with a solvent therefor'in the course of its travel to the mandrel, applying a coloring agent to one of said strips in the course of its travel to the mandrel, said coloring agent being contained in said solvent, and while the solvent treated strip is still soft winding the same together with another of said strips on said mandrel to form'the tube.
14. The method of making colored drinking straws from strips of suitable sheet material capable of being softened by a solvent for said material, according to which method the strips are spirally wound on a mandrel to form a tube, said method comprising passing a plurality of said strips to'the mandrel, moistening at least one of said strips, in the course of its travel to the mandrel, with a solvent therefor carrying a coloring agent whereby said strip is simultaneously colored and rendered adhesive, and then while said colored strip is still soft winding the same together with another strip of said material on said mandrel to form the tubes.
15. The method of making colored transparent drinking straws? from strips of transparent sheet material capable of being softened by a solvent for said material, according to which method the strips are spirally wound on a mandrel to form the tube, said method comprising passing a plurality of said strips to the mandrel, moistening at least one of said strips, in the course of its travel to the mandrel, with a solvent therefor carrying a coloring agent whereby said strip is simultaneously colored and rendered adhesive, applying to a part only of one surface of one of said strips a coloring agent which contrasts with the color of said strip, and while the solvent treated strip is still soft winding the same together with another of said strips on said mandrel to form a tube in contrasting colors,
16. In the method of making a tube from strips of suitable material according to which method the strips are spirally wound on a mandrel in overlapping relation forming inner and outer layers of the tube, passing a plurality of said strips to the mandrel, applying a coloring agent to one of said strips, in the course of its travel to the mandrel and to a surface portion thereof which is overlapped by another of said strips when wound on the mandrel, and then treating one of said strips to cause it to unite with another of said strips, and winding said strips on the mandrel to form the tube.
17. In the method of making a tube from strips of suitable material according to which method the strips are spirally wound on a mandrel in overlapping relation forming inner and outer layers of the tube, passing a plurality of said strips to the mandrel, applying a coloring agent to the inner surface of the strip which forms the outer tube layer, while said strip is passing to the man drel, and then treating one of said strips to cause it to unite with another of said strips, and winding said strips on the mandrel to form the tube.
18. The method of making a tube from strips of suitable Waterproof sheet material capable of being softened by a solvent for said material, according to which method the strips are spirally wound on a mandrel in overlapping relation form- 'ing inner and outer layers of the tube, said method comprising passing a plurality of said strips to the mandrel, moistening one of said strips, in the course of its travel to the mandrel, with a solvent for the strip material, applying a coloring agent to the inner surface of the strip which a plurality of said strips to the mandrel, moistening one of said strips, in the course of its travel to the mandrel, with a solvent for the strip ma- 1 teriaLapplying a coloring agent to the inner surface of the strip which forms the outer tube layer, while said strip is passing to the mandrel,
and while the solvent treated strip is still soft winding the same together with another of said strips on said mandrel to form a tube in contrasting colors. 7
20. A drinking straw or tube comprising a plurality of strips of waterproof non-fibrous cellulosic sheet material spirally wound together in superposed tube-forming relation, at least one of said strips having coloring material on a surface thereof disposed between the inner and outer surfaces of the tube for ornamenting the latter, the outer strip being sufficiently transparent to disclose said coloring material, said strips being secured together in said relation by a substance which contains said coloring material.
ALBERT M. GOLDSTEINL HARRY SCHOEN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US100096A US2249468A (en) | 1936-09-10 | 1936-09-10 | Tube and method of making the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US100096A US2249468A (en) | 1936-09-10 | 1936-09-10 | Tube and method of making the same |
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Publication Number | Publication Date |
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US2249468A true US2249468A (en) | 1941-07-15 |
Family
ID=22278082
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Application Number | Title | Priority Date | Filing Date |
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US100096A Expired - Lifetime US2249468A (en) | 1936-09-10 | 1936-09-10 | Tube and method of making the same |
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US (1) | US2249468A (en) |
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1936
- 1936-09-10 US US100096A patent/US2249468A/en not_active Expired - Lifetime
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