US3887734A - Embossing tape - Google Patents

Embossing tape Download PDF

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Publication number
US3887734A
US3887734A US41072473A US3887734A US 3887734 A US3887734 A US 3887734A US 41072473 A US41072473 A US 41072473A US 3887734 A US3887734 A US 3887734A
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United States
Prior art keywords
tape
backing
film
whitening
stress
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
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English (en)
Inventor
David J Chazan
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Dymo Industries Inc
Original Assignee
Dymo Industries Inc
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Publication date
Application filed by Dymo Industries Inc filed Critical Dymo Industries Inc
Priority to US41072473 priority Critical patent/US3887734A/en
Priority to BE152360A priority patent/BE824364A/fr
Priority to FR7502270A priority patent/FR2248944B1/fr
Application granted granted Critical
Publication of US3887734A publication Critical patent/US3887734A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/24—Pressing or stamping ornamental designs on surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C3/00—Processes, not specifically provided for elsewhere, for producing ornamental structures
    • B44C3/005—Removing selectively parts of at least the upper layer of a multi-layer article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/72—Cured, e.g. vulcanised, cross-linked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/41—Opaque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
    • B32B2309/105—Thickness
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/908—Impression retention layer, e.g. print matrix, sound record
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/14—Layer or component removable to expose adhesive
    • Y10T428/1424—Halogen containing compound
    • Y10T428/1433—Coloring agent containing
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31928—Ester, halide or nitrile of addition polymer

Definitions

  • An embossing machine tape employing a film of a stress whitening, substantially transparent elastomer-modified methyl methacrylate polymer, normally employed in combination with a non-stress whitening, opaque, normally colored, polymer film backing.
  • an adhesive coating is applied to the backing and protected by a releasable liner.
  • the stress whitening film provides sharply delineated symbols without fracture, when embossed, and substantially free of ghosts in the usual embodiment.
  • Embossing tapes find wide use. In the fabrication of many embossing tapes, a stress whitening film is employed with a darkened background. By stress whitening it is intended to mean the characteristic of a material that changes color and/or opacity, when subjected to cold flow. In stress whitening materials, the yield point occurs at a low degree of elongation.
  • embossing it is desirable that the alpha-numeric symbol becomes entirely opaque and white, so as to clearly stand out and be legible.
  • the embossed symbol should not fracture which destroys legibility and creates an unacceptable appearance, should be free of ghosting, which is unsightly and affects legibility, and be able to retain the sharp characteristics for long periods of time under varying conditions.
  • the stress whitening and fracturing of the symbols is associated.
  • the stressing of the poly- ,meric film by cold flow elongation results in changes in the physical characteristics of the polymer, which makes the film susceptible to fracture.
  • any film used for an embossing tape should be easily processed and fabricated, readily adhere to a base film, and be stable or stabilizable to heat and light, so as to retain its characteristics for long periods of time.
  • Novel embossable plastic assemblies having a thin film of a stress whitening, substantially transparent and haze free elastomer-modified poly(- methyl methacrylate) adhered to a non-stress whitening, opaque polymeric backing.
  • the backing is colored, or a pigmented film is introduced behind the backing away from the stress whitening film.
  • an adhesive coating is then applied to the backing and protected by a releasable liner.
  • the resulting film provides sharply defined alphanumeric symbols, substantially free or free of ghosting, without rupture upon embossing. Furthermore, the film is stable for long periods of time without substantial loss of the stress whitening, despite normal variations in temperature.
  • FIG. 1 is an enlarged side elevational view, in section, through an embossed section in a tape constructed in accordance with the present invention
  • FIG. 2 is a plan view of a letter embossed into a tape constructed in accordance with the present invention
  • FIGS. 3 and 4 are similar to FIGS. 1 and 2, but illustrate the construction of prior art tapes and the appearance of a letter, together with a ghost image, embossed onto a prior art tape; and,
  • FIG. 5 is an enlarged side elevational view, in section, through a composite multilayered tape constructed in accordance with the present invention.
  • the composite assembly of this invention comprises a stress whitening film, optionally a pigmented layer, if the backing is clear or white, a backing layer, preferably pigmented, an adhesive coating and a protective strip.
  • the assembly can be in large sheets, tapes of from about one-fourth to three-fourths inch in width, and the like.
  • the assembly can vary widely in thickness generally being at least about 8 mils in thickness and usually not exceeding 50 mils in thickness, more usually being in the range of about 8 to 20 mils in thickness.
  • the particular thickness is a function of the embossing die with which the tape or film is to be used.
  • the base or stress whitening sheet will normally be of from about 2 to 6 mils in thickness, more usually in the range of about 3 to 4 mils in thickness.
  • the tensile elongation of the film material when tested in accordance with ASTM D-638 (0.25 in. specimen, 0.2 inches per minute) will have an elongation at break of at least about 25 percent, more usually at least about 40 percent and generally not exceeding about 80 percent, more usually not exceeding about percent.
  • the Izod Impact Strength (ASTM D-256) notched for a oneeighth inch specimen at 25C will usually be in excess of 1.0 ft.lb/inch of notch, usually in excess of 1.5 and usually not exceeding about 2.1.
  • Haze ASTM D-l003 will generally be less than 10 percent for a 0.125 inch thick specimen.
  • the polymer has a major amount of a methyl methacrylate polymer and a minor but sufficient amount of an elastomeric interpolymer, usually at least 10 weight percent, and generally not exceeding 40 weight percent of the total composition, usually from 15 to 35 weight percent of the total composition.
  • the methyl methacrylate polymer may have from about 0 to 20 monomer percent of another monomer, usually an alkyl acrylate wherein the alkyl group is of from 1 to 6 carbon atoms, more usually of from 2 to 5 carbon atoms'.1
  • the polymers will usually have a viscosity average molecular weight in the range of about 75,000 to about 250,000, more usually of about 100,000 to 200,000.
  • the methyl methacrylate polymer may be bonded to the elastomer modifier or the elastomer modifier may be a mixture with the methyl methacrylate polymer.
  • An elastomer modifier is provided for combination with the methacrylate polymer.
  • the polymers may be cross linked or mechanically mixed.
  • the elastomer modifier is conveniently an acrylate polymer having one or more of other monomers. Usually, the acrylate will be present in at least about 50 monomer percent and normally not exceeding about 70 monomer percent.
  • the acrylate is an alkyl acrylate of from I to 6 carbon atoms, more usually of from I to 4 carbon atoms. Small amounts, generally from about 0.1 to 2 monomer percent are added of cross linking monomers that is, monomers which have two active nonconjugated (with each other) double bonds.
  • Illustrative cross linking monomers include alkylene diacrylates, allyl methacrylate, and the like.
  • the remainder of the monomers will be derived from aromatic addition monomers, such as styrene, alkyl methacrylates (alkyl of from I to 4 carbon atoms) and hydrophilic addition monomers, such as hydroxyalkyl, alkoxyalkyl, or alkylthiooxyalkyl (alkyl of from 2 to 4 carbon atoms) acrylates and methacrylates, vinyl pyrrolidone, acrylonitrile, and the like. Of particular interest are the hydroxyalkyl methacrylates and acrylates.
  • the individual monomers will normally be present in from 0.1 to 15 monomer percent, with styrene present in from about 5 to monomer percent and the other monomers in from about 0.1 to 5 monomer percent.
  • the base film is normally and preferably adhered to a rigid plastic backing.
  • the plastic backing can be any of a wide variety of suitable plastics to which the methacrylate polymer readily adheres, which are reasonably stable to light and heat, have a similar coefficient of expansion to the methacrylate polymer, and provide the desired degree of mechanical strength, while still being embossable, so as to retain the desired structure after being embossed with a die.
  • the various polymers which may be used are such addition polymers as polyvinyl chloride, copolymers of vinyl chloride and vinylidene chloride, copolymers of vinyl chloride and vinyl acetate, polypropylene, and the like.
  • the backing will commonly be of a thickness of about 2 to 6 mils, usually 2 to 4 mils.
  • a colored coating may be introduced behind the backing where the backing is transparent.
  • the coating will vary from a fraction of a mil to 1 mil in thickness and can be applied according to conventional means, such as spraying, brushing, or the like.
  • the coating provides a colored background which is aesthetically pleasing, and enhances the legibility and clarity of the embossed symbol.
  • a paint binder such as Union Carbides VYHI-I may be employed.
  • the backing is colored with one of a wide variety of dyes and pigments, particularly those providing red, brown, green or blue coloration.
  • the dye may be a soluble or insoluble dye as described in U.S. Pat. No. 2,925,625, column 4, the disclosure of which is incorporated herein by reference.
  • the base and backing may be joined together by having the two compositions coextruded as sheets and calendared, by laminating, or other techniques well known in the art.
  • the base and backing are annealed at a temperature at or above 200F, after the joining of the two films.
  • an adhesive layer is applied by conventional means.
  • Various adhesives may be used, such as those described in U.S. Pat. No. 2,953,475 and U.S. Pat. No. 3,036,945.. See particularly column 3 of the latter.
  • the protective layer may be any of a wide variety .of easily removable films, such as a metal film, e.g. aluminum, a plastic film, e.g. polyethylene, fabric, e.g. cellulosic, or the like.
  • the thickness of the protective layer will be at least about 2 mils, generally not exceeding about 10 mils, and usually in the range of about 4 to 8 mils.
  • embossing tape 2 constructed in accordance with the present invention comprises a clear transparent or translucent methacrylate base 4, backing 6 adhered or affixed to the base, an adhesive coating 8 and a protective strip 10, that can be peeled off the adhesive to expose the latter for adhering the tape to a support surface.
  • the base 4 is constructed of an elastomer modified methacrylate.
  • Backing 6 is a non-stress whitening rigid plastic, which is pigmented unless a colored coating is provided at the back of the backing.
  • the base and backing are affixed to each other by a bonding agent, heat sealing, coextrusion, and the like.
  • the adhesive layer 8 is coated onto the exposed backing and protected by protective strip 10.
  • the tape is provided of a thickness and width in relation to the embossing machine to which it is intended. It enters the embossing machine longitudinally and letters, symbols and the like are sequentially embossed on the tape at spaced intervals.
  • deforming the tape by raising tape portions or sections 12 above the flat remainder of the tape, as illustrated in FIG. 1, the raised section is stressed beyond the yield point of the stress whitening methyl methacrylate film.
  • a stress whitened area 16 extends a relatively short distance to either side of an imaginary central line of raised section 12, that terminates well short of the flat tape remainder 14.
  • a coating of an ink or paint 22 may be placed away from the base 4 on the backing 6.
  • a letter embossed on the tape 2 has a background, color and appearance supplied by the paint 22 and stress whitening solely from the base 4.
  • an embossing tape constructed in accordance with the prior art.
  • Such prior art tape comprises a layer 24 of the stress whitening material such as polyvinyl chloride, a suitable adhesive and a protective strip (not shown in the drawings).
  • a stress whitened area 26 is formed which extends from an imaginary center line of the raised section to a flat remainder,28 of the tape.
  • the stress whitened area extends substantially further away from the imaginary center line.
  • the transitional area 30 between concave and convex tape portions 32 and 34 respectively, only limited stress whitening takes place, leaving dark areas 30.
  • the stress whitening which occurs at the concave portion 32 creates an unsightly and undesirable ghost or halo 36. Consequently,
  • the base 4 is transparent, so that the colored backing can be viewed through the base and provide the desired background color of the tape,
  • EXAMPLE I An 0.004 inch thick base was constructed from Rohm and Haas DR-42 elastomer-modifiedpoly(methyl methacrylate). An 0.002 inch layer of a pigmented, non-stress whitening rigid vinyl (PVC) backing was affixed to the base. The backing was adhe sive coated and the adhesive was protected by an 0.006 inch polyethylene release liner.
  • PVC non-stress whitening rigid vinyl
  • the thus constructed tape when embossed, showed sharp embossing outlines free of ghost images.
  • EXAMPLE II A backing constructed of an 0.004 inch non-stress whitening rigid vinyl was affixed to the same base as the one used in Example I. The resulting tape showed clear, sharply defined embossings free of ghost images.
  • EXAMPLE III An 0.004 inch thick backing of pigmented Marbons Cycolac CG-ABS compound was affixed to the same base as was used in Example I. As in Example I, embossings on the tape were clear, sharply defined and free of ghost images.
  • EXAMPLE IV An 0.004 inch thick backing constructed of pigmented Dow Chemical Styron 470 high impact polystyrene'resin was affixed to the same base as was used in Example I. Embossings on the tape were again clear, sharply defined and without ghost images.
  • EXAMPLE V A base constructed of an 0.004 inch thick UV- Stabilized American Cyanamid XT-375 elastomer modified poly(methyl methacrylate) was affixed to an 0.002 inch thick pigmented layer of rigid vinyl which, in turn, received an adhesive coat and a polyethylene release liner. Embossings on this tape were again clear, sharply defined, and without ghost images.
  • novel embossing tapes are'provided which provide excellent stability for long periods of time to temperatures and light which are encountered in storage and use.- When exposed to weathering under severe conditions, the tape was found to retain'the desirable embossing characteristics for long periods of time.
  • the embossing tapes provide clear, sharply defined characters undistorted by ghosting and without letter fracture.
  • the stress whitening obtained is very opaque and bright, so as to provide enhanced clarity and legibility, further enhancing the desired characteristics of the embossing tape.
  • An embossable sheet material comprising a rigid non-stress whitening plastic backing film and a base sheet of at least about 2mils in thickness of a stress-whitening elastomer modified poly(methyl methacrylate), having a tensile elongation of from about 25 to percent of elongation at break and wherein said elastomeric modifier is bonded or mixed with said poly(methyl methacrylate) and said elastomeric modifier is an acrylate polymer having at least about 50 monomer percent of an alkyl acrylate, and said alkyl group is of from about 1 to 6 carbon atoms.
  • a sheet material according to claim 1 including a backing adhered to said base sheet of a non-stress whitening rigid plastic material of a thickness of from about 2 to 6 mils.
  • a sheet material according to claim 2 having an adhesive layer adhered to the exposed surface of said backing and a protective layer.
  • a transparent stress-whitening elastomer modified poly(methyl methacrylate) film of from about 2 to 6 mils thickness, having a tensile elongation at break of from about 25 to 80 percent
  • said elastomeric modifier is an acrylate polymer having at least about 50 monomer percent of an alkyl acrylate, and said alkyl group is of from 1 to 6 carbon atoms, a rigid non-stress whitening plastic film affixed to said base;
  • a tape according to claim 6, wherein said rigid plastic material is polyvinyl chloride.
  • a tape according to claim 6 wherein the total thickness of said tape is from 8 to 20 mils.
  • a tape according to claim 10 having a total thickness of from about 6 to mils.
  • a sheet material according to claim 2 having a pigmented coating on said backing.

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  • Laminated Bodies (AREA)
US41072473 1973-10-29 1973-10-29 Embossing tape Expired - Lifetime US3887734A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US41072473 US3887734A (en) 1973-10-29 1973-10-29 Embossing tape
BE152360A BE824364A (fr) 1973-10-29 1975-01-14 Ruban d'estampage
FR7502270A FR2248944B1 (fr) 1973-10-29 1975-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41072473 US3887734A (en) 1973-10-29 1973-10-29 Embossing tape

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Publication Number Publication Date
US3887734A true US3887734A (en) 1975-06-03

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US41072473 Expired - Lifetime US3887734A (en) 1973-10-29 1973-10-29 Embossing tape

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US (1) US3887734A (fr)
BE (1) BE824364A (fr)
FR (1) FR2248944B1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048736A (en) * 1975-02-11 1977-09-20 Package Products Company, Inc. Laminated composite sheet packaging material
US4259388A (en) * 1977-08-23 1981-03-31 The D. L. Auld Company Medallion-like articles, lamp lenses and method for their manufacture
US4276334A (en) * 1974-01-31 1981-06-30 General Company Limited Pressure sensitive recording sheet
US4409277A (en) * 1980-11-29 1983-10-11 Hoechst Aktiengesellschaft Visual information carrier comprising a flexible plastic sheet
US4489841A (en) * 1983-02-18 1984-12-25 Tri-Tech Systems International, Inc. Tamper evident closures and packages
US4556588A (en) * 1982-08-25 1985-12-03 The D. L. Auld Company Decorative emblem useful in customizing an automobile and other surfaces
US4883697A (en) * 1986-07-23 1989-11-28 The Procter & Gamble Company Thermoplastic in-mold labeling label structure for deformable thermoplastic packages
USRE33175E (en) * 1974-06-12 1990-03-06 The D. L. Auld Company Method for making decorative emblems
US4905851A (en) * 1983-02-18 1990-03-06 Tri-Tech Systems International, Inc. Tamper evident closures and packages with color changing means and separable portions of the closures and method of forming the same
US5284694A (en) * 1992-08-25 1994-02-08 Minnesota Mining And Manufacturing Company Stress-whitening embossable film
US6677021B1 (en) * 1991-12-05 2004-01-13 Kent Adhesive Products Co. Method and product for generating signs

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925625A (en) * 1958-10-22 1960-02-23 Dymo Industries Inc Contrast color embossed plastics and method of production
US3036945A (en) * 1958-10-27 1962-05-29 Dymo Industries Inc Embossable plastic assembly
US3309257A (en) * 1963-10-22 1967-03-14 Tapeprinter Inc Color changeable embossable laminate
US3379560A (en) * 1964-03-18 1968-04-23 Fitchburg Coated Products Inc Cold embossable web
US3468744A (en) * 1964-08-13 1969-09-23 Minnesota Mining & Mfg Color changeable embossable label tape
US3542630A (en) * 1965-03-12 1970-11-24 Dymo Industries Inc Color changeable embossable sheet material
US3808180A (en) * 1970-04-13 1974-04-30 Rohm & Haas Composite interpolymer and low haze impact resistant thermoplastic compositions thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925625A (en) * 1958-10-22 1960-02-23 Dymo Industries Inc Contrast color embossed plastics and method of production
US3036945A (en) * 1958-10-27 1962-05-29 Dymo Industries Inc Embossable plastic assembly
US3309257A (en) * 1963-10-22 1967-03-14 Tapeprinter Inc Color changeable embossable laminate
US3379560A (en) * 1964-03-18 1968-04-23 Fitchburg Coated Products Inc Cold embossable web
US3468744A (en) * 1964-08-13 1969-09-23 Minnesota Mining & Mfg Color changeable embossable label tape
US3542630A (en) * 1965-03-12 1970-11-24 Dymo Industries Inc Color changeable embossable sheet material
US3808180A (en) * 1970-04-13 1974-04-30 Rohm & Haas Composite interpolymer and low haze impact resistant thermoplastic compositions thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276334A (en) * 1974-01-31 1981-06-30 General Company Limited Pressure sensitive recording sheet
USRE33175E (en) * 1974-06-12 1990-03-06 The D. L. Auld Company Method for making decorative emblems
US4048736A (en) * 1975-02-11 1977-09-20 Package Products Company, Inc. Laminated composite sheet packaging material
US4259388A (en) * 1977-08-23 1981-03-31 The D. L. Auld Company Medallion-like articles, lamp lenses and method for their manufacture
US4409277A (en) * 1980-11-29 1983-10-11 Hoechst Aktiengesellschaft Visual information carrier comprising a flexible plastic sheet
US4556588A (en) * 1982-08-25 1985-12-03 The D. L. Auld Company Decorative emblem useful in customizing an automobile and other surfaces
JPS60500524A (ja) * 1983-02-18 1985-04-18 トライ−テク・システムズ・インタ−ナショナル・インコ−ポレ−テッド いたずら防止用キャップ
US4489841A (en) * 1983-02-18 1984-12-25 Tri-Tech Systems International, Inc. Tamper evident closures and packages
US4905851A (en) * 1983-02-18 1990-03-06 Tri-Tech Systems International, Inc. Tamper evident closures and packages with color changing means and separable portions of the closures and method of forming the same
US4883697A (en) * 1986-07-23 1989-11-28 The Procter & Gamble Company Thermoplastic in-mold labeling label structure for deformable thermoplastic packages
US6677021B1 (en) * 1991-12-05 2004-01-13 Kent Adhesive Products Co. Method and product for generating signs
US5284694A (en) * 1992-08-25 1994-02-08 Minnesota Mining And Manufacturing Company Stress-whitening embossable film
EP0589207A1 (fr) * 1992-08-25 1994-03-30 Minnesota Mining And Manufacturing Company Feuille présentant une rupture blanche par estampage

Also Published As

Publication number Publication date
BE824364A (fr) 1975-05-02
FR2248944B1 (fr) 1983-04-15
FR2248944A1 (fr) 1975-05-23

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