US3627218A - Auxiliary strip to facilitate the winding of an elongated strip upon a takeup lever - Google Patents

Auxiliary strip to facilitate the winding of an elongated strip upon a takeup lever Download PDF

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Publication number
US3627218A
US3627218A US832965A US3627218DA US3627218A US 3627218 A US3627218 A US 3627218A US 832965 A US832965 A US 832965A US 3627218D A US3627218D A US 3627218DA US 3627218 A US3627218 A US 3627218A
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US
United States
Prior art keywords
strip
auxiliary
primary
takeup
center line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US832965A
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English (en)
Inventor
Charles T Feldschau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of US3627218A publication Critical patent/US3627218A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C3/00—Packages of films for inserting into cameras, e.g. roll-films, film-packs; Wrapping materials for light-sensitive plates, films or papers, e.g. materials characterised by the use of special dyes, printing inks, adhesives
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/321—Holders for films, e.g. reels, cassettes, spindles
    • G03B21/326—Means for fixing the film on the axis of a reel or spindle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S242/00—Winding, tensioning, or guiding
    • Y10S242/917—Accommodating special material or article, e.g. antenna
    • Y10S242/918—Web material, e.g. thermal insulation

Definitions

  • This invention relates to apparatus for handling strips of elongated material and more particularly to such apparatus for winding elongated strips onto a takeup core without the axial shifting along the axis of the takeup core.
  • a takeup core may be provided with a pair of flanges for guiding the elongated strip onto the core.
  • a takeup core with a pair of flanges is particularly adapted for use with strips of asmaller width; however, as the width of the flexible strip becomes larger, there is a greater tendency for the strip to slide over a portion of the reel flange.
  • the takeup core may be provided with a crown or peripheral ridge disposed about the center of the takeup core 'to facilitatethe winding of the elongated strip.
  • the elongated strip As the elongated strip is wound upon such a takeup core, compressive forces are developed by the elongated strip on the takeup core and in particular by the edge portions of the elongated strip. Thus, the elongated strip is compressed about the raised or crown portion of the takeup core, which in effect serves to center or to position the elongated strip upon the takeup core. As a result, reel flanges may no longer be required to guide the strip onto the takeup core.
  • the crown or raised portion is provided by either machining or molding the takeup core, which processing adds to the manufacturing expense of such takeup cores. Further, most takeup cores or reels do not have such raised or crowned portions and it would be difficult to remachine or reshape existing takeup cores or reels to facilitate strip winding.
  • auxiliary strip is of such a configuration and is so disposed with respect to the elongated strip on the takeup core, a raised or crown portion is presented to the successive windings of the elongated strip to thereby facilitate the winding and retention of the elongated strip about the takeup core.
  • the auxiliary strip is secured to one end of the elongated strip so that the auxiliary strip is approximately centered with respect to the center line of the elongated strip.
  • the auxiliary strip may illustratively have a configuration such that portions remote from the end of the auxiliary strip are of a decreasing dimension.
  • FIG. 1 is an orthogonal view of an elongated strip being directed from a takeup to a supply reel;
  • FIG. 2 is a plan view of an elongated strip to which there has been attached auxiliary strips in accordance with the teachings of this invention
  • FIG. 3 is a cross section view of the takeup reel shown in FIG. 1;
  • FIG. 4 is a cross-sectional view of the takeup core taken along line IV-IV as shown in FIG. 1;
  • FIG. 5 is an enlarged, cross-sectional view of the clip used to secure the elongated strip to the takeup core
  • FIGS. 6, 7, 8 and 9 are plan views of other, illustrative embodiments of the auxiliary strip in accordance with the teachings of this invention.
  • an elongated, primary strip 10 which is directed or unwound from a supply reel 14 to a takeup reel 12. As seen in FIG. I, the strip 10 is directed about a pair of rotatably mounted auxiliary rollers 16. In accordance with the teachings of this invention, it is desired to simulate a pair of crowns I8 and 20 upon the takeup and supply reels l2 and 14.
  • the flexible strip 10 may take the form of an inking ribbon.
  • this invention has application to many other flexible strips including but not limited to paper, photographic film, cloth, or other flexible strips where accurate positioning upon a takeup core may present a problem.
  • a pair of auxiliary strips 21 and 22 in accordance with the teachings of this invention are disposed at each end of the elongated strip 10 by a pair of clips 25 and 24.
  • the flexible strip I0 has an end portion 11 which is inserted within and is secured to the clip 24.
  • the clips 24 and 25 may illustratively be made of a suitable malleable material such as metal. More specifically,the clip 24 includes a pair of side members 27 and 28 to form therebetween a slot 30 into which is inserted an end portion 23 of the auxiliary strip 22. An end portion 11 of the strip I0 and the end portion 23, are retained by the clip 24 by crimping a lip 26 thereof upward, as seen in FIG.
  • the strips 10 and 22 have been described as being connected together as by the clip 24, it may be realized other methods may be used to attach the strips 10 and 22 together.
  • the strips 10 and 22 could be connected at one end as by stitching or by a suitable adhesive.
  • the strips I0 and 22 could be formed from a single strip by folding the end of the primary strip to provide the auxiliary strip and connecting the clip 24 to the folded portion.
  • the takeup reel 12 includes a cylindrically shaped core 32 having a pair of flanges 34 disposed at either end of the core 32.
  • a slot 36 is disposed axially along the cylindrical core 32 for receiving the clip 24, as shown in FIG. 3, to thereby retain the ends of the flexible strip 10 and the auxiliary strip 22.
  • FIGS. 3 and 4 there is shown how the auxiliary strip 22 simulates the formation of a crown or raised portion 18 upon the core 32 to thereby facilitate the accurate winding of the strip 10. It is noted in FIG. 2, that the auxiliary strip 22 extends along the length of the strip a distance indicated by the letter A and has a shape with tapered edges which are spaced apart a distance whichdecreases as a function of the distance from the end of the strip 10.
  • the primary and auxiliary strips 10 and 22 may be considered to have imaginary center lines disposed along their lengths. As shown in FIG. 2, the auxiliary strip 10 may be illustratively located so that its center line substantially coincides with the center line of the strip 10. Further, the apex or the point towardwhich the edges of the auxiliary strip 22 converge, may also lie on the center line of the strip 10 to thereby form the simulated crown in the center of the takeup core 12.
  • the center line of the flexible strip 10 has centered itself upon the highest portion of the simulated crown as formed by the outermost winding 22d. Therefore, it is desirable to place the point of convergence of the auxiliary strip 22 at the center of the core 32 so that the most elevated portion of the simulated crown l8 and therefore the primary strip are disposed at the center of the core 32.
  • the auxiliary strip 22 is shown as having a substantially triangular configuration, it may be realized that, as shown in FIGS. 6, 7, 8 and 9, the auxiliary strip may assume different configurations within the scope of this invention.
  • the auxiliary strip 122 may have a configuration of decreasing dimension with the sides being tapered in discrete steps.
  • an auxiliary strip 222 has tapered sides coming to a rounded point disposed approximately along the center line of the strip 10.
  • an elongated rectangular strip 322 is disposed along the center line of the strip 10 to provide a crown at the center of the core.
  • an auxiliary strip 422 is shown wherein the side edges are shaped exponentially.
  • the elevation of the simulated crown is dependent upon the number ofconvolutions and thickness of the auxiliary strip.
  • the width of the elongated strip increases, the higher or more elevated the simulated crown should be.
  • a greater crown height is achieved by making the length A of the auxiliary strip greater.
  • the auxiliary strip was made of urethane of I/ inch thickness and the primary strip had a width of 3 and 7/32 inches, the auxiliary strip was made approximately 8 inches long to thereby provide approximately five windings or convolutions about the takeup core.
  • an elongate primary strip which is adapted to be wound onto a takeup core
  • said primary strip includes a leading end and a longitudinally extending center line
  • an elongate auxiliary strip including a leading end and a pair of opposite edges which longitudinally extend therefrom
  • said securing means includes means connecting said primary strip and said auxiliary strip in a manner enabling relative movement therebetween upon winding of said primary strip and said auxiliary strip onto a takeup core.
  • auxiliary strip includes a leading end and a pair of edges which longitudinally extend therefrom in tapering relation toward said center line of said primary strip.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Winding Of Webs (AREA)
US832965A 1969-06-13 1969-06-13 Auxiliary strip to facilitate the winding of an elongated strip upon a takeup lever Expired - Lifetime US3627218A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83296569A 1969-06-13 1969-06-13

Publications (1)

Publication Number Publication Date
US3627218A true US3627218A (en) 1971-12-14

Family

ID=25263058

Family Applications (1)

Application Number Title Priority Date Filing Date
US832965A Expired - Lifetime US3627218A (en) 1969-06-13 1969-06-13 Auxiliary strip to facilitate the winding of an elongated strip upon a takeup lever

Country Status (4)

Country Link
US (1) US3627218A (de)
DE (1) DE2029060B2 (de)
FR (1) FR2052462A5 (de)
GB (1) GB1316583A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556052A (en) * 1993-07-23 1996-09-17 Knaus; Dennis A. Method and apparatus for winding
US20060292368A1 (en) * 2005-06-23 2006-12-28 Sonoco Development, Inc. Support post with improved axial strength

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944703A1 (de) * 1999-08-16 2001-02-22 Voith Paper Patent Gmbh Verfahren zum Aufwickeln einer laufenden Materialbahn

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5556052A (en) * 1993-07-23 1996-09-17 Knaus; Dennis A. Method and apparatus for winding
US5842660A (en) * 1993-07-23 1998-12-01 Knaus; Dennis A. Method and apparatus for winding
US20060292368A1 (en) * 2005-06-23 2006-12-28 Sonoco Development, Inc. Support post with improved axial strength
US7625616B2 (en) * 2005-06-23 2009-12-01 Sonoco Development, Inc. Support post with improved axial strength

Also Published As

Publication number Publication date
DE2029060A1 (de) 1971-03-18
GB1316583A (en) 1973-05-09
FR2052462A5 (de) 1971-04-09
DE2029060B2 (de) 1971-11-11

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