US3115246A - Core for pressure-sensitive adhesive tape - Google Patents

Core for pressure-sensitive adhesive tape Download PDF

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Publication number
US3115246A
US3115246A US56909A US5690960A US3115246A US 3115246 A US3115246 A US 3115246A US 56909 A US56909 A US 56909A US 5690960 A US5690960 A US 5690960A US 3115246 A US3115246 A US 3115246A
Authority
US
United States
Prior art keywords
strip
core
tape
pressure
sensitive adhesive
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
US56909A
Other languages
English (en)
Inventor
Leslie G Wicklund
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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
Priority to BE608276D priority Critical patent/BE608276A/xx
Priority to NL269160D priority patent/NL269160A/xx
Priority to NL128975D priority patent/NL128975C/xx
Priority to US56909A priority patent/US3115246A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to ES270274A priority patent/ES270274A1/es
Priority to CH1060261A priority patent/CH414901A/de
Priority to GB33183/61A priority patent/GB991368A/en
Priority to DEM50371A priority patent/DE1192921B/de
Priority to AT709861A priority patent/AT244800B/de
Application granted granted Critical
Publication of US3115246A publication Critical patent/US3115246A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H81/00—Methods, apparatus, or devices for covering or wrapping cores by winding webs, tapes, or filamentary material, not otherwise provided for
    • B65H81/06—Covering or wrapping elongated cores
    • B65H81/08—Covering or wrapping elongated cores by feeding material obliquely to the axis of the core
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/10—Kinds or types of circular or polygonal cross-section without flanges, e.g. cop tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape

Definitions

  • This invention relates to annular cores for rolls of normally tacky sheet material, providing an inexpensive core on which pressure-sensitive adhesive tape can be convolutely wound in either a clockwise or a counterclockwise direction and from which all the tape can be removed and used.
  • Cores for pressure-sensitive adhesive tape are usually made from bulky inexpensive materials which have low cohesive strength but which provide the desired stillness at low cost.
  • a typical manufacturing procedure involves forming a tube by spirally or helically winding from 7 to 40 plies of chipboard, jute paper or the like, on a cylindrical mandrel to a thickness of perhaps /8 inch, an inexpensive adhesive, such as pre-cooked dextrin dissolved in water, being used to bond the plies together.
  • the tube is then sliced at right angles to its axis to form tape cores of the desired width.
  • Tape cores which are formed as described above suffer from the very great disadvantage that the innermost layer of tape cannot be removed and used, the low strength core disrupting or delaminating and adhering to the pressure-sensitive adhesive. Tape manufacturers have compensated for this unusable material by winding additional amounts of tape on each roll; nevertheless, a customer is likely to feel both irritated and cheated at being unable to use all the tape supplied. Further, in instances where it is desirable to make flying splices (as is frequently the case when high strength filament tape is being employed on high speed machinery), it is almost impossible to employ tape wound on cores of the type just described. Nevertheless, since plastic or metal cores are relatively expensive compared to chipboard and jute paper cores, attempts have been made to modify the latter.
  • a wider strip of tough delamination-resistant sheet material having a surface to which normally tacky and pressure-sensitive adhesive tapes may be adhered and subsequently removed, is helically wound over the exposed body and the first strip and similarly adhered thereto so as to constitute substantially the entire periphery of the so-for med tube, the edges of the wider strip being abuttingly juxtaposed over the first strip.
  • the tube is then cut into cores of suitable width, on which tape is thereafter wound in either direction.
  • FIGURE 1 is a view in perspective of a tube as just described, in process of manufacture
  • FIGURE 2 is a view in perspective of a single core as taken from the tube of FIGURE 1;
  • FIGURE 3 is a side view of the tape core shown in FIGURE 2 with pressure-sensitive adhesive tape wound thereon.
  • tube 10 comprises annular body I l, which is formed from helically wound plies of chipboard, jute paper, or the like, an inexpensive adhesive being applied to each ply and used to bond the assembly together.
  • annular body I l Helically wound about annular body 11, and firmly bonded thereto, is a narrow strip 12 of tough, delaminationresistant parchmentized paper, e.g., 40-lb. whalehide, obtained from Kalamazoo Vegetable Parchment Company.
  • a wider strip 13 of supercalenclered parchmentized paper similar in composition to strip 12 but having a low adhesion coating on its outer or exposed surface 16 and helically wound in such a fashion that its edges 14 and 15 are abuttingly juxtaposed over the approximate midpoint of strip 12.
  • Suitable low adhesion coatings include polyvinyl carbamate polymers made by reacting together polyvinyl alcohol and, e.g., octadecyl isocyanate, as disclosed in Dahlquist, Hendricks, and Sohl US.
  • Patent 2,532,011 copolymers of acrylic acids or methacrylic acids with higher alkyl acrylates or methacrylates, as disclosed in Hendricks US. Patent 2,607,711; and copolymers of higher alkyl vinyl esters or ethers and maleic acid or its half esters or half amides, as disclosed in Dahlquist, Ahlbrecht, and Dixon U.S. Patent 2,876,894.
  • Low adhesion materials of these types may be dissolved in volatile organic solvents and applied to one surface of supercalendered parchmentized paper by simple coating procedures, after which the solvent is evaporated to leave a dried deposition product of about one pound per 5,000 square yards of paper; the technique is directly comparable to that described in the cited patents.
  • Other suitable release agents or low adhesion coatings, some of which may be dispersed in Water, will readily occur to persons skilled in the art.
  • strip 12 may be formed from inch wide material and strip 13 from 4 W inch wide material when the winding is carried out at an angle of approximately 63 to the axis of tube it).
  • Core 20 comprises annular body portion 21, narrow parchment'ized paper strip 22, and supercalendered parchmentized paper 23, the last named being externally supplied with lowadhesion-backsize coating 26 and being so positioned that its ends 2- and are abuttingly juxtaposed over approximately the midpoint of strip 22.
  • a roll 3% of pressuresensitive adhesive tape, illustrated in FEGURE 3 is formed by winding about core in an elongate piece of pressuresensitive adhesive tape 31, the tape being convolutely wound with its adhesive-coated surface toward the core.
  • tape 31 can be wound thereabout in either a clockwise or counterclockwise direction, it being equally easy to remove the tape in each case. Edges 24 and 25 and the portions immediately adjacent thereto are firmly adhered to strip 22, which in turn is firmly adhered to the body 21. Since the afiinity of both the radially outer and radially inner surfaces of strip 22 and the radially inner surface of strip 23 for the core-forming adhesives is substantially greater than the aflinlity of the treated radially outer surface of strip 23 for tacky pressure-sensitive adhesive, the adhesion of strip 23 to strip 22 substantially exceeds the adhesion of tape 31 to strip 23. Low adhesion coating 26 makes it possible to remove tape from the core with substantially no more force than is required to separate layers of the same tape convolutely wound upon itself. Tape 31 may be removed in its entirety, without lifting either end 24 or 25, and used in whatever manner the customer desires.
  • strip 12 may cover the entire paper core 1 1, so as to leave no spaces between adjacent edges.
  • supercalendered parchmentized paper which has been provided with a low adhesion coating on one surface is at the present time economically attractive for use as strip 13
  • metal foils or films of more expensive materials and which are strong enough to resist tearing or delamination e.g., polypropylene or polyvinyl chloride, may be made to function satisfactorily.
  • Polyethylene which has been subjected on one surface to flame, electrical discharge, or oxidizing acids is more readily adhered to by the dextrin or other adhesive of the type used in paper core construction than is untreated polyethylene.
  • affinity of the inner surface of strip 13 for the core-building adhesive contacting it should exceed the affinity of the outer surface for tacky pressure-sensitive tape adhesives.
  • the calendering of strip 13 provides a smooth surface closely resembling the non-adhesive surface of film-backed tapes.
  • the backing of the tape to be Wound on cores of the type I have described is itself somewhat rough (as is the case with crepe paper masking tapes and the like), or if the tape adhesive used is relatively hard, it is unnecessary, and perhaps even undesirable, to calender the parchmentized paper backing. In fact, non-woven mats or cloth of various types may be successfully used in such cases.
  • the governing considerations are cost and the desirability of having the surface of the core resemble as closely as possible the back surface of the tape, so that the smoothness of the adhesive surface contacting the core, and therewith the general adhesive characteristics of tr e tape, is substantially he same as the smoothness of the adhesive surface contacting the tape backing in the rest of the roll.
  • An annular core for a roll of pressure-sensitive ad hesive tape said core having a peripheral surface on which pressure-sensitive adhesive tape can be wound in either a clockwise or counterclockwise direction and from which said tape can be subsequently removed at normal speeds without disrupting or delaminating the core, said core comprising a bulky rigid annular body having low cohesive strength, said annular body having firmly adhered to the the radially outer surface thereof a first strip of thin tough sheet material, and overlying and firmly adbored to said first strip so as to constitute substantially the entire periphery of said core a second strip of thin tough delamination-resistant sheet material, the ends of said second strip being abuttingly jaxtaposed and positioned over said first strip, the adhesion of said second strip to said first strip substantially exceeding the adhesion which normally tacky and pressure-sensitive adhesive tape has for the outer surface of said second strip, whereby the exposed surface of said second strip is rendered capable of having aggressive pressure-sensitive adhesive tape adhered thereto and subsequently
  • a roll of tape comprising an elongated piece of pressure-sensitive adhesive sheet material convolutely wound, adhesive side in, on a core and completely removable therefrom at normal speeds so that the lap nearest the core displays substantially the same adhesive characteristics as the remainder of the piece, said core comprising in combination an annular readily delaminable body having firmly adhered to the radially outer surface thereof a first strip of tough delamination-resistant sheet material, and a second strip of tough delamination-resistant sheet material firmly adhered to all underlying por tions so as to constitute substantially the entire periphery of said core, at least the ends of said second strip being abuttingly juxtaposed and firmly adhered to said first strip, the adhesion of said second strip to said first strip substantially exceeding the adhesion of said tape to said second strip.
  • An annular core for a roll of pressure-sensitive adhesive tape formed by slicing the tube of claim 5 at right angles to its axis.

Landscapes

  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Making Paper Articles (AREA)
US56909A 1960-09-19 1960-09-19 Core for pressure-sensitive adhesive tape Expired - Lifetime US3115246A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE608276D BE608276A (ro) 1960-09-19
NL269160D NL269160A (ro) 1960-09-19
NL128975D NL128975C (ro) 1960-09-19
US56909A US3115246A (en) 1960-09-19 1960-09-19 Core for pressure-sensitive adhesive tape
ES270274A ES270274A1 (es) 1960-09-19 1961-09-06 Mejoras introducidas en los nucleos anulares para rollos de cinta adhesiva sensible a la presión
CH1060261A CH414901A (de) 1960-09-19 1961-09-13 Tragkörper in Form eines Hohlzylinders für eine Rolle aus einem bei Druckanwendung klebenden Band, Verfahren zur Herstellung des Tragkörpers sowie Verwendung des Tragkörpers zur Herstellung einer Klebestreifenrolle
GB33183/61A GB991368A (en) 1960-09-19 1961-09-15 Core for pressure-sensitive adhesive tape or sheet
DEM50371A DE1192921B (de) 1960-09-19 1961-09-18 Kern zum Aufrollen von Klebstreifen und Verfahren zum Herstellen eines Kerne ergebenden Rohrkoerpers
AT709861A AT244800B (de) 1960-09-19 1961-09-19 Ringförmiger Tragkörper für eine Klebebandrolle und Verfahren zu seiner Herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56909A US3115246A (en) 1960-09-19 1960-09-19 Core for pressure-sensitive adhesive tape

Publications (1)

Publication Number Publication Date
US3115246A true US3115246A (en) 1963-12-24

Family

ID=22007299

Family Applications (1)

Application Number Title Priority Date Filing Date
US56909A Expired - Lifetime US3115246A (en) 1960-09-19 1960-09-19 Core for pressure-sensitive adhesive tape

Country Status (8)

Country Link
US (1) US3115246A (ro)
AT (1) AT244800B (ro)
BE (1) BE608276A (ro)
CH (1) CH414901A (ro)
DE (1) DE1192921B (ro)
ES (1) ES270274A1 (ro)
GB (1) GB991368A (ro)
NL (2) NL269160A (ro)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3342325A (en) * 1966-07-01 1967-09-19 Donald F Dreher Lint removers
US3448774A (en) * 1963-10-18 1969-06-10 Thomas G Nelms Center core for rolls of pressure-sensitive adhesive tape and methods of making same
EP0421400A2 (en) * 1989-10-04 1991-04-10 Fuji Photo Film Co., Ltd. Photosensitive material roll take-up core and method of manufacturing the same
US5555978A (en) * 1995-10-05 1996-09-17 Elsner Engineering Works, Inc. Wound roll and closure strip assembly
WO2001098048A1 (en) * 2000-06-19 2001-12-27 Four Pillars Enterprise Corp. Method for changing a trademark paper of an adhesive tape paper core
US6394385B1 (en) 2000-06-07 2002-05-28 Sonoco Development, Inc. Winding cores for pressure-sensitive tape and methods of making same
US20040134003A1 (en) * 2003-01-09 2004-07-15 Helmac Products Corporation Adhesive roller
US20050098679A1 (en) * 2003-11-11 2005-05-12 Sonoco Development, Inc. Tubular core with polymer plies
US20070237914A1 (en) * 2006-04-05 2007-10-11 Sonoco Development, Inc. Cores for pressure-sensitive adhesive tape, and methods for making same
US20090087600A1 (en) * 2007-10-02 2009-04-02 Sonoco Development, Inc. Clean-release tape core
US20090291241A1 (en) * 2008-05-21 2009-11-26 Sunocodevelopment, Inc. Core for Pavement Marking Tape or Other Highly Aggressive Pressure-Sensitive Adhesive Tape
CN102741142A (zh) * 2010-02-01 2012-10-17 乔治亚太平洋法国公司 用于环绕芯缠绕的片形产品的芯及形成有这种芯的卷材

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2847727C2 (de) * 1978-11-03 1984-01-12 Maschinenfabrik Rissen Gmbh, 2000 Hamburg Verfahren und Vorrichtung zum Herstellen und Weiterverarbeiten von zylindrischen Ringen aus Flachmaterial, insbesondere Papier
FI64114C (fi) * 1981-06-18 1987-07-30 Jouko Juhani Salmela Foerfarande foer upprullning av en massabana pao en kaernhylsa.
GB2290691B (en) * 1994-07-02 1998-03-18 Ian Mclachlan Davis Tree and shrub protector
GB2292369A (en) * 1994-08-17 1996-02-21 Newark Group Ind Inc Paper core for rolled thin film
US6405969B1 (en) 1995-06-07 2002-06-18 3M Innovative Properties Company Coreless adhesive tape winding mandrel and method
US5620544A (en) * 1995-06-07 1997-04-15 Minnesota Mining And Manufacturing Company Tape roll liner/tab, application apparatus and method
GB0310527D0 (en) * 2003-05-08 2003-06-11 Jevtec Ltd Spool for adhesive tape

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US441846A (en) * 1890-12-02 Daniel n
US1457625A (en) * 1923-02-12 1923-06-05 Freydberg Aaron Fabric binding strip
US2199862A (en) * 1938-09-10 1940-05-07 Bennett Inc Manufacture of papers having low affinity for adhesives
US2353789A (en) * 1942-04-17 1944-07-18 Internat Plastic Corp Repellent roll for handling adhesive sheets
US2537588A (en) * 1946-08-27 1951-01-09 Eddystone Machinery & Mill Sup Web winder
US2637674A (en) * 1946-08-31 1953-05-05 William F Stahl Preparation of impregnated laminated tubes
US2651408A (en) * 1949-08-15 1953-09-08 Minnesota Mining & Mfg Roll of adhesive tape
US2676765A (en) * 1950-01-21 1954-04-27 Kaplan Irving Pressure sensitive adhesive tape and core
US2751936A (en) * 1953-01-08 1956-06-26 Sonoco Products Co Textile carrier and means for forming same
US2914167A (en) * 1956-03-26 1959-11-24 Johnson & Johnson Pressure sensitive adhesive tape and method of manufacture
US3030045A (en) * 1957-11-22 1962-04-17 Ampex Tape reel

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US441846A (en) * 1890-12-02 Daniel n
US1457625A (en) * 1923-02-12 1923-06-05 Freydberg Aaron Fabric binding strip
US2199862A (en) * 1938-09-10 1940-05-07 Bennett Inc Manufacture of papers having low affinity for adhesives
US2353789A (en) * 1942-04-17 1944-07-18 Internat Plastic Corp Repellent roll for handling adhesive sheets
US2537588A (en) * 1946-08-27 1951-01-09 Eddystone Machinery & Mill Sup Web winder
US2637674A (en) * 1946-08-31 1953-05-05 William F Stahl Preparation of impregnated laminated tubes
US2651408A (en) * 1949-08-15 1953-09-08 Minnesota Mining & Mfg Roll of adhesive tape
US2676765A (en) * 1950-01-21 1954-04-27 Kaplan Irving Pressure sensitive adhesive tape and core
US2751936A (en) * 1953-01-08 1956-06-26 Sonoco Products Co Textile carrier and means for forming same
US2914167A (en) * 1956-03-26 1959-11-24 Johnson & Johnson Pressure sensitive adhesive tape and method of manufacture
US3030045A (en) * 1957-11-22 1962-04-17 Ampex Tape reel

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448774A (en) * 1963-10-18 1969-06-10 Thomas G Nelms Center core for rolls of pressure-sensitive adhesive tape and methods of making same
US3342325A (en) * 1966-07-01 1967-09-19 Donald F Dreher Lint removers
EP0421400A2 (en) * 1989-10-04 1991-04-10 Fuji Photo Film Co., Ltd. Photosensitive material roll take-up core and method of manufacturing the same
EP0421400A3 (en) * 1989-10-04 1992-04-08 Fuji Photo Film Co., Ltd. Photosensitive material roll take-up core and method of manufacturing the same
US5555978A (en) * 1995-10-05 1996-09-17 Elsner Engineering Works, Inc. Wound roll and closure strip assembly
US6394385B1 (en) 2000-06-07 2002-05-28 Sonoco Development, Inc. Winding cores for pressure-sensitive tape and methods of making same
WO2001098048A1 (en) * 2000-06-19 2001-12-27 Four Pillars Enterprise Corp. Method for changing a trademark paper of an adhesive tape paper core
US20040134003A1 (en) * 2003-01-09 2004-07-15 Helmac Products Corporation Adhesive roller
US20050098679A1 (en) * 2003-11-11 2005-05-12 Sonoco Development, Inc. Tubular core with polymer plies
US7007887B2 (en) 2003-11-11 2006-03-07 Sonoco Development, Inc. Tubular core with polymer plies
US20070237914A1 (en) * 2006-04-05 2007-10-11 Sonoco Development, Inc. Cores for pressure-sensitive adhesive tape, and methods for making same
US20090087600A1 (en) * 2007-10-02 2009-04-02 Sonoco Development, Inc. Clean-release tape core
US7712700B2 (en) 2007-10-02 2010-05-11 Sonoco Development, Inc. Clean-release tape core
US20090291241A1 (en) * 2008-05-21 2009-11-26 Sunocodevelopment, Inc. Core for Pavement Marking Tape or Other Highly Aggressive Pressure-Sensitive Adhesive Tape
CN102741142A (zh) * 2010-02-01 2012-10-17 乔治亚太平洋法国公司 用于环绕芯缠绕的片形产品的芯及形成有这种芯的卷材
CN102741142B (zh) * 2010-02-01 2015-09-16 乔治亚太平洋法国公司 用于环绕芯缠绕的片形产品的芯及形成有这种芯的卷材

Also Published As

Publication number Publication date
ES270274A1 (es) 1962-02-01
GB991368A (en) 1965-05-05
NL269160A (ro)
DE1192921B (de) 1965-05-13
CH414901A (de) 1966-06-15
BE608276A (ro)
NL128975C (ro)
AT244800B (de) 1966-01-25

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