Abstract: Overpressure valves for packaging containers are supplied in a roll, transported in this form to a packaging machine, separated here and attached to packaging containers by means of an adhesive coated surface. For this purpose the overpressure valves have a layer of emulsion bonding on their underside. To prevent individual layers of the roll from sticking together, the overpressure valves have an adhesive-repelling layer on their top side. The overpressure valves are connected to one another in one piece and in a row, and are separated consecutively in a packaging machine.

Abstract: A transfer sheet (10) for heat transferring a temperature-responsive decal having personally applied crayon coloring (22) onto a section of fabric (20). The transfer sheet (10) includes a paper sheet (12) treated with a release agent and a printed image (14) disposed directly thereon. A single uniform and transparent transfer layer (16) of thermoplastic material is disposed over the printed image (14) and other selected areas on the paper sheet (12). A plurality of abrasive particles (18) are partially embedded within the transfer layer (16) for abrading crayon (22) rubbed thereover and for enhancing the mechanical bond between the transfer layer (16) and the fabric (20) when the transfer sheet (10) is applied to the fabric (20).

Abstract: Composite pressure sensitive label sheets will print in hot laser printers without curling if they comprise at least three layers: A. at least one base layer having a pressure sensitive adhesive on the bottom face, B. a printable surface layer on top of the base layer or layers, and C. a strippable protective backing on the pressure sensitive adhesive coated bottom face on the base layer or layers and if the thermal expansion or contraction characteristics of the printable layer B and the protective backing C are the same or substantially the same.

Abstract: A transfer film for use, for example, with security documents includes a pattern defining layer having concavities defining an inverted relief pattern, and a retaining layer overlying and releasably filling the concavities of the pattern defining layer. The pattern defining layer is removable from the retaining layer to transfer the relief pattern from the pattern defining layer to the retaining layer.

Abstract: In a web of envelope lengths rolled for storage, adhesives on the web are arranged to not overlap during storage. To prevent the areas of adhesive of the front surface on one turn from binding to the areas of adhesive on the back surface of an adjacent turn in the roll, the transverse lines of adhesion are formed of adhesive spots, and the adhesives on the front surface are contained in first longitudinal zones and the adhesives on the back surface are contained in second longitudinal zones separate from the adhesives on the front surface. This disposition may be a combined arrangement of adhesives which also prevents adhesion when the web assembly is folded in zigzag packet configuration for storage.

Abstract: A method of masking an area of a surface using a length of flexible foam strip having a layer of adhesive applied on opposite sides of the strip. The strip is attached to the surface by one of the layers of adhesive and a sheet of material is attached to the opposite side of the strip by the other of the layers of adhesive. The strip and sheet then isolate the area of the surface from contiguous areas of the surface.

Abstract: Disclosed is a method for applying light diffracting materials to a fabric in a selective pattern and which allows the fabric to withstand repeated laundering without significant deterioration of the light diffracting image. A base of adhesive resin with a layer of flexible material thereabove is adhered to the fabric in the desired selective pattern. A layer of light diffracting material is then bonded to the flexible material. The adhesive resin infiltrates the fabric and, when cured, the resin secures the fibers of the fabric in a controlled shape to prevent the fibers thereat from shifting relative to one another, thus substantially eliminating stretching and shearing forces in the layer of light diffracting material adhered thereto, which forces are commonly encountered during laundering.

Abstract: A synthetic resin decorative material including an antistatic layer containing an electrically conductive film formed on a surface thereof without changing the color, design and pattern of the decorative material. The synthetic resin may be a synthetic resin decorative sheet/plate. The antistatic function of the antistatic layer is improved such that occurrence of cracks in the antistatic layer can be prevented when the decorative material having the antistatic layer is thermally molded. To prepare the decorative material, a transfer sheet is pressed while being heated onto a surface of a synthetic resin decorative base material including a synthetic resin sheet or plate. To prepare the transfer sheet, electrically conductive paint containing an electrically conductive matter formed by coating inorganic fine powder having a refractive index of 1.4 to 1.7 with an electrically conductive tin oxide is applied onto a 1 to 5 .mu.

Abstract: An artificial marble sheet is formed of a pair of carrier films, an SMC layer and a resin concrete layer which has plasticity but does not contain glass fibers laminated between the carrier films. A method of manufacturing the artificial marble sheet as defined above which includes forming a resin concrete layer which has plasticity but does not contain glass fiber on a first carrier film, forming an SMC layer on a second carrier film and bringing the resin concrete layer and the SMC layer into an intimate contact to each other. Carrier films are removed from the artificial marble sheet and press molding is applied under heating such that the resin concrete layer is located on the side of the surface of the product.

Abstract: A hot stamping foil comprising in order a carrier, optional release control layer, color layer, and adherence layer, wherein the adherence layer comprises a mixture of ethylene copolymer dispersion and acrylic dispersion. Also a method using such foils to form graphic patterns on articles such as retroreflective license plates, stickers, or emblems and articles bearing graphic patterns formed using such foils.

Abstract: A composite laminar structure for producing complementary images in a frangible image-forming substance, and having a strengthened tab portion for facilitation of the separation of the respective sheets of the laminar structure without detachment of the tab portion is described. Thermal imaging composite structures and a method for preparing structures suited to the production of high resolution images in frangible image-forming substance, and especially adapted to sheet separation by mechanical apparatus, are described.

Abstract: Film-forming means are coextruded to form all plastic multilayer liners and facestocks for pressure-sensitive labels, tapes, decals, signs, bumper stickers, and other products formed from sheet and roll stock. Fill means in a charge for the liner coextrusion affects stiffness and dimensional stability of the liner and/or affects the roughness of a liner face or faces. The film materials of the layers of the constructions are selected according to the cost/benefit characteristics of candidate materials considering the functional or operational requirements of the layer in question.

Abstract: An easy-peeling and safe-dispensing tape roll for packing or sealing purpose is provided with a roll of continuous tape the rear side of which is provided with a layer of release coating and the opposite side thereof coated with a layer of adhesive. The tape is provided with a strip-like area at the middle of the lateral span thereof having no adhesive applied thereto, and the strip-like area is also provided with a plurality of spaced punch holes of various shapes, such as linear or circular and etc., so as to facilitate an operator to relocate and peel off the starting end of the cut tape each time in one aspect and to make the tape easily torn off with bare hands without a cutting blade of a dispenser in another aspect.

Abstract: A pad assembly comprising a multiplicity of flexible sheets each having (1) a similarly sized body portion that has pressure sensitive adhesive on its rear surface and is sized and adapted so that its front surface can be written on, and (2) a smaller tab projecting beyond an edge of the body portion that can be positioned to project from the edge of a sheet to which the sheet is adhered.

Abstract: A display strip for packages of consumer products comprises a relatively stiff backing member and a thin fascia layer disposed thereon. The fascia layer comprises discrete, detachable sections, to which packages of consumer products are adhered. The force required to remove the detachable section from the backing member is designed to be less than the force with which the package is adhered to the detachable section. When the consumer removes the package from the display, the consumer simultaneously removes the package and the discrete section of the layer.

Abstract: A multi-ply, wet-strength, removable label or coupon for packages intended for retail use, particularly suitable for items where refrigeration and/or condensation is a condition of the product life cycle. The coupon structure includes a base ply formed of moisture resistant, wet-strength paper with printable or coatable upper and under sides. The base ply is adhered to a removable top ply with a combination of bonding agents and release coatings. The top ply may also be moisture resistant. The coupon structure is preferably supplied in a cut-sheet format for convenient use and storage.

Abstract: An identification label for permanently marking a metal or other etchable surface such as an automobile part with an identifying indicia is disclosed. The label has a protective cover sheet, a pressure sensitive adhesive irremovably affixed to the cover sheet, and a liner with a release coating removably affixed to the adhesive. An identifying indicia comprising an etchant in a visible vehicle such as a printing ink is printed on the adhesive at the interface of the removable liner and the adhesive so that when the liner is removed, the remaining portions of the label may be adhesively attached to the metal surface with the etchant of the identifying indicia in etching contact therewith. The identifying indicia will thus be etched into the surface of the part for a permanent marking of the part.

Abstract: A carrier web with recesses or pockets therein which contain pressure sensitive adhesive. The recesses in the carrier web maintain the adhesive in a discrete pattern during handling and storage and prevent lateral flow of the pressure sensitive adhesive under ambient conditions. The patterned adhesive may be transferred to an article directly from the recesses in the carrier by pressing the article onto the carrier web or indirectly by transferring the adhesive first to a cover sheet or to the flat backside of the web and thence to the article.

Abstract: A bulletin board is disclosed which employs adhesive strip elements on the front side to provide a simplified and convenient means for repeatedly attaching and removing items such as notes, schedules, coupons, pens or pencils, keys, and the like, without damaging these items and without requiring pins or tacks. Each strip element includes a tacky, adhesive portion which is coated with a non tacky tear strip that protects the adhesive portion prior to use; when the tear strip is removed, the adhesive strip becomes exposed for use. Non tacky indentations are defined between each strip element and facilitate the removal of items from the strips. The rear surface of the bulletin board may be provided with a plurality of sponge adhesives and rubberized magnets which enable the bulletin board to be attached to, easily removed from, and reattached to, various support surfaces for the bulletin board.

Abstract: An improved linerless pressure-sensitive label construction wherein label sheets carrying pertinent messages are pasted together with pressure-sensitive adhesive without using a release liner, and by separating the pasted-together label sheets, each separated section can be used as a label. Strips of release agent are provided at a given interval on the top and the bottom label sheets on their respective facing faces, the strips being arranged in a positionally staggered manner, so that the strips of release agent on one of the label sheets will come in contact with the strips of adhesive on the other.

Abstract: Laser-addressable thermal transfer donor elements for producing color proofs, printing plates, films, printed circuit boards, and other media are disclosed. The thermal transfer donor elements include a substrate having a microstructured surface. The microstructured surface contain a plurality of randomly positioned discrete protuberances of varying heights and shapes. The donor elements further include a black metal layer on the microstructured surface and a gas-producing polymer layer over the black metal layer. The gas-producing polymer in the gas-producing polymer layer has a thermally available nitrogen content of greater than about 10 weight percent. A thermal mass transfer material (e.g., a colorant such as a dye or pigment) is included in or over the gas-producing polymer layer.

Abstract: In order to avoid misfeeds from tray-loaded film, a lateral slit is provided through a backing sheet of composite media in a middle portion of a leader region where the film is adhered on both sides of the lateral slit to the backing sheet, thereby allowing the backing sheet to expand or contract at a different rate than the adjacent film.

Abstract: A system for adhesively fastening water deflector type panel liners upon supporting panel surfaces of automotive vehicle doors and the like substrates, includes forming shallow, narrow channels in the liners and positioning thick strips of pressure sensitive adhesive within the channels. The liners are applied upon the panel surfaces and pressure is applied against the channels towards the panel surfaces to partially collapse the channels and flow the adhesive into contact with the panel surfaces. The adhesive flows into, and smooths any irregularities on the panel surfaces while adhering the liners thereto. The exposed faces of the adhesive strips may be covered with a wide mesh fabric to normally prevent the adhesive on one strip from sticking to adjacent surfaces of other similar liners in a stack or a roll of liners. When pressure is applied to the channels, the adhesive flows through the mesh into contact with the supporting panels.

Abstract: A process of forming burned patterns and a burning pattern sheet for use in the process are disclosed, the process comprising forming patterns composed of a burning ink on one surface of a tacky member composed of a flexible base material and an adhesive layer or between both the layers, adhering the tacky member to an article through the adhesive layer, and burning the assembly to form a burned pattern product fixed to the surface of the article.

Abstract: A process for decoration of the surfaces of an object by sublimation of ink consisting in; using as a sublimable ink support a material which is sufficiently extensible and air-permeable so as to conform to the shape of the object to be decorated without adversely effecting the decoration to be sublimated, enveloping the object in the ink support, and placing the enveloped object in a vacuum machine which is introduced into a heated space to thereby cause transfer of the decoration to the object.

Abstract: A dicing-die bonding film comprising an ultraviolet-transmitting substrate having provided thereon an ultraviolet-curable pressure-sensitive adhesive layer and an adhesive layer in this order, the pressure-sensitive adhesive layer having been partly ultraviolet-cured to have cured parts and uncured parts. The film has a well-balanced combination of a holding power for supporting a semiconductor wafer during dicing and release properties for enabling cut chips to be easily released together with the adhesive layer so that even large-sized chips as larger than 10 mm.times.10 mm can easily be picked up.

Abstract: A decor sheet for use in a decorative laminate includes cellulosic fibers, a sulfur dye, and a water insoluble precipitate of a basic salt.

Abstract: An adhesive sheet comprising (1) a backing, and (2) an adhesive layer having at least one topologically microstructured surface comprising a plurality of pegs, optionally containing one or more beads, substantially uniformly distributed and protruding outwardly from the adhesive layer, wherein the pegs have essentially flat tops that comprise less than 25% of the total surface contact area of the adhesive layer, and have a height of at least 15 .mu.m.

Abstract: A method of applying a film having limited light transmitting qualities to the interior surface of a contoured car window wherein the film is first placed against the exterior surface of the window with its transfer coating facing outwardly. The film in this position is subjected to localized heating to selectively shrink the film and transfer coating to the window contour. Then, the film and coating are removed, the coating separated and the film adhered to the interior surface of the car window.

Abstract: A composite for providing a rigid-flexible circuit board includes at least one core that contains a dielectric substrate and at least one conductive layer thereon; at least one sub-composite that includes a polyimide and a rigid dielectric substrate; a release layer; at least one rigid bonding layer and a second conductive layer. The composite is used in the fabrication of a rigid-flexible circuit board.

Abstract: A printable product label assembly having a selectably adhesive portion is provided. The label assembly includes a printable face sheet overlying a liner sheet, a releasable adhesive securing a first portion of the face sheet to a first portion of the liner sheet such that the face sheet and liner sheet are readily separable upon the application of a sufficient delaminating force. A pressure sensitive adhesive secures a second portion of the face sheet to a second portion of the liner sheet such that when the label is removed from the liner sheet, only a selected area of the label includes the pressure sensitive adhesive, while the remainder of the label is nontacky to the touch.

Abstract: A novel method of making a laminated label construction is provided which involves (1) providing a temporary carrier having a first relatively strong release surface and a second relatively weak release surface on opposite sides thereof, (2) forming a heat sealable lacquer on said first release surface so as to form a label face film having a predetermined edge configuration, (3) forming indicia on at least one selected portion of said label face film (in the case where printed labels are desired), and (4) forming a layer of a pressure-sensitive adhesive in overlying bonded relationship with the indicia (when present) and the protective lacquer. The pressure-sensitive adhesive has lateral dimensions less than those of the label face film. The lacquer face film comprises at least one heat-activatable ingredient that becomes tacky when heated and thereby provides heat-sealing properties.

Abstract: This invention relates to an imaging sheet manifold comprising a transparent polymeric sheet imageable in an imaging machine and an opaque sheet adhered thereto by means of a removable pressure-sensitive adhesive. The adhesive comprises a) 50-90% by weight of a lower alkylacrylate the alkyl chains of which can be from 4-12 carbon atoms; b) 10-50% by weight of a higher alkylacrylate or methacrylate, the alkyl chains of which can be from 12 to 26 carbon atoms, and c) a crosslinker. This invention also comprises a method of making the novel imaging manifold.

Abstract: A continuous form assembly of self-laminating badges, includes a continuous length of transparent lamina, a lamina of pressure sensitive adhesive adhered to a first surface of the transparent lamina, and a continuous length of carrier paper releasably adhered to the lamina of pressure sensitive adhesive which mounts the transparent lamina. A plurality of spaced apart transverse cuts through the thickness and across the width of the transparent lamina forms a plurality of badges each of which includes, a print field for recording written or printed information disposed on a portion of a second surface of the transparent lamina, wherein a remaining portion of the transparent lamina not covered by the print field includes a lamination portion of sufficient proportion to be folded to cover both forward and rearward surfaces of an area of the transparent lamina covered by the print field.

Abstract: A composite laminar structure for producing complementary images in a frangible image-forming substance, and having a strengthened tab portion for facilitation of the separation of the respective sheets of the laminar structure without detachment of the tab portion is described. Thermal imaging composite structures and a method for preparing structures suited to the production of high resolution images in frangible image-forming substance, and especially adapted to sheet separation by mechanical apparatus, are described.

Abstract: A cable hold-down tape includes an elongate, flexible piece of material whose underneath side edges are provided with adhesive, with a central section extending the length of the tape being adhesive free. The tape is employed to hold a cable on a support surface by positioning the tape lengthwise along the top of the cable, with the central section of the tape being in contact with the cable and the side edges of the tape containing adhesive adhering to the support surface on either side of the cable.

Abstract: An image producing and transfer apparatus which utilizes a base sheet covered with a tacky adhesive which in turn is covered with a liner sheet composed of a plurality of individually removeable liner segments. Part of the apparatus includes a plurality of break-away members which are manufactured at the same time as the apparatus and of the same material of construction and the same die cutting process to become a tool in the method of this invention. Each break-away member includes a tacky adhesive surface which, when applied to the outer surface of one of the liner segments, facilitates the removal of that liner segment thereby exposing an area of the tacky adhesive which can now be covered with a particulate matter. All liner segments are removed in this manner. When all liner segments have been removed and the particulate matter applied, there remains a border segment. A liquid glue is coated onto the completed image of this particulate matter with some of this glue coating the border segment.

Abstract: A flexible carrier web has a planar surface bearing thereon a predetermined pattern consisting of at least one flat land area and at least one recess having a base and walls, and a layer of silicone on the land and/or the base of the recess while the walls of the recess are substantially free from the silicone. When that flexible carrier web is used as the backing of a pressure-sensitive adhesive layer, release values can be controlled simply by selecting the size and/or number of recesses.

Abstract: The present invention provides a thermal mimeograph paper having a point-bonded structure and including a porous backing material and a thermoplastic resin film layer laminated on one side thereof through an adhesive, wherein the porous backing material and the thermoplastic resin film are bonded together by dotwise point bonding. This point-bonded structure enables the perforability of the mimeograph paper to be improved.

Abstract: Selective demetallization of an etchable metal film supported on a polymeric material or other microwave transparent material, particularly an etchable metal film, particularly aluminum, of thickness at least about 1 micron adhesively joined to a flexible polymeric material substrate, is described. A web of metallized polymeric material has a pattern of etchant-resistant material first applied and then the web is immersed in and passed through a bath of aqueous etchant, particularly hot aqueous sodium hydroxide solution, for a time at least sufficient to completely remove the etchable metal from non-protected areas of the web. The demetallized web is washed and dried.

Abstract: A method of producing a succession of self-adhesive labels on a length of release material, the method comprising the steps of:(a) providing a length of release material which is coated on one side thereof with a layer of pressure-sensitive adhesive;(b) providing a length of laminar material;(c) disposing a succession of multi-laminar label pieces between the laminar material and the adhesive layer on the release material;(d) cutting through the length of laminar material as far as the release material around the label pieces so as to form a succession of self-adhesive labels on the release material; and(e) removing from the release material waste portions of the laminar material and of the layer of pressure-sensitive adhesive which surround the self-adhesive labels. The present invention also provides a self-adhesive label.

Abstract: A slippery orthopedic cast tape produced by depositing onto a substrate a layer of microencapsulated lubricating or friction-reducing material. The substrate is impregnated with a material which is hardenable upon exposure to an activating agent. The coating of each one of the microgranules is formed of a material which is removable upon the application thereto of a removing stimulus. The microencapsulated lubricious material is applied to the inner end of a rolled cast tape so that it will be adjacent the outer layers of a formed cast. In one embodiment, the microgranules are formed of a water-insoluble polymeric coating over a polyethoxylated surfactant which serves as the lubricious material, the polymeric coating being rupturable upon the application of pressure in order to release the lubricious material.

Abstract: An apparatus for displaying removable indicia, the apparatus including a base sheet having an outwardly facing surface which is operable to support individual removable indicia; a substantially transparent cover sheet which is borne by the base sheet, and which is operable to substantially fix the indicia in a predetermined position thereon; and a zone of adhesive which is deposited in a predetermined pattern on one of the two sheets and which releasably affixes the base sheet and the transparent sheet together. During use, the transparent sheet is separated in spaced relation from the base sheet to permit the placement of the indicia in respective predetermined positions on the base sheet, after which, the transparent sheet is then pressed into adhesive engagement with the base sheet to releasably seal and fix the position of the indicia thereon.

Abstract: A thermal transfer sheet for repeated printing cycles, including a first ink layer and a second ink layer provided in that order on one surface of a substrate film and transferable upon being heated, wherein the first ink layer and the second ink layer each include a binder and a colorant, and the time taken for the first ink layer to solidify after melting is different from and shorter than that for the second ink layer.

Abstract: A tape for seams in drywall constructions comprises an elongated paper tape member having a pattern of holes therein. The holes are aligned in rows extending across the width of the tape with one row being spaced from the other along the length of the tape. An acrylic adhesive is applied to one surface of the tape so that it can be attached by the adhesive to a drywall seam. Compound placed onto the outer surface of the tape penetrates the perforations, holding the tape to the seam.

Abstract: A flexible printed-circuit board covered with a coverlay is produced by bonding (a) a flexible printed-circuit board that comprises a flexible base having a surface bearing a circuit and (b) a polyimide film having a surface treated to increase adhering property and another surface not treated to increase adhering property, each of the surfaces being coated with an adhesive layer, with the adhesive layer on the surface treated to increase adhering property interposed between the polyimide film and the surface bearing the circuit, and then peeling off the adhesive layer coating the polyimide film on the surface not treated to increase adhering property.

Abstract: Iniferter prepared release coating compositions comprising vinyl-siloxane block copolymer and blends thereof with other polymeric materials on sheet materials and the backside of adhesive tapes are provided. Controlled and predictable release is obtained through variation of the molecular weight and weight percent of the siloxane block as well as the molecular weight and composition of the vinyl block or blocks.

Abstract: Reflective tape for pinstriping of automobiles or other vehicles. The tape has strips of retroreflective material sandwiched between a bottom release liner of polyethylene coated paper and a clear top release liner having an adhesive undersurface for retaining the tape composite intact with the strips parallel one another prior to and during application to a vehicle. The retroreflective material is highly visible at night for safety. The strips include pressure-sensitive adhesive. When the tape is applied to a vehicle, thin pinstripes of retroreflective material are seen. The material may be colored to contrast with the color of the vehicle paint, which is visible on either side of the tape and also through the open middle section between the pinstripes of retroreflective material. The strips are applied by peeling away the bottom liner as the top liner and strips are applied to a surface; thereafter, the top release liner is peeled away leaving only the two retroreflective material strips on the surface.

Abstract: A method of forming a transferable pattern or image of an inorganic film by coating an embossed substrate with an inorganic layer, that may comprise one or more films, over both recessed and raised surface portions, adhesively laminating a transfer substrate to the inorganic layer coating the raised surface portions of the embossed substrate and separating the embossed substrate and the transfer substrate. The adhesive is selected such that the bond between the transfer substrate and the inorganic film on the raised surface portions is greater than the bond between the inorganic layer on the raised surface portions and the embossed substrate.The embossed substrate resulting after removal of the inorganic layer coating the raised surface portions may be modified to include additional inorganic layers over the recessed surface portions by tinning or electroplating methods such that this thickened inorganic layer may also be transferred from the embossed substrate to a transfer substrate a set forth above.

Abstract: A dispatch goods label consists of a loop section and an adjoining section which are both detachably connected with one another via a perforation. A respective adhesive layer of the loop section and the adjoining section ends at a distance from the perforation line. Both of the ends of the covering strip are uncoated and adhere directly to the respectively opposing adhesive layer of the loop section and the adjoining section. They are foldable at the transition to the respective adhesive layer about the transition line. The covering tape is provided at the level of the perforation line of the loop section and the adjoining section with a cut line connection which brakes open upon folding both sections about the perforation line.