Abstract: The cutting edge for a sheet material dispensing carton has a plastic portion bonded to the paperboard material forming the carton. When the carton blank is formed, the plastic and paperboard are cut concurrently to form one edge of the blank. The paperboard and plastic material forming the teeth of the cutting edge are compressed to increase the sharpness of the cutting edge teeth.

Abstract: A toilet paper dispenser, including a U-shaped base rigidly affixed to a wall below a toilet paper holder, the base supporting a pivotable, generally flat member having a serrated lower cutting edge around which toilet paper is pulled for being torn off.

Abstract: A cutting device using as its cutting edge a coarse file-like face, a method for cutting a thin sheet or film by causing at least the cut-starting portion of the thin sheet or film to be pressed against the coarse file-like face of the cutting device, and a dispenser for a thin sheet or film provided with the aforementioned cutting device using said coarse file-like face as a cutting edge thereof are disclosed. A thin sheet or film is readily torn when a notch or cut is formed at the cut-starting portion of the sheet or film. The present invention makes use of this property of the thin sheet or film.

Abstract: A dispenser for sheet material includes a housing defining at least one compartment for holding a continuous roll of sheet material. A cover for the compartment, pivotally mounted on the housing, includes a cutting edge located near its free end. The housing includes a member for holding the sheet material being cut.

Abstract: A severing blade comprising a plurality of spaced-apart extended members, each of said extended members having a blunt upper edge extremity and at least one side-extended tooth with a piercing tip disposed below the blunt upper edge extremity and in the plane of the blade so that a stretchable film transversely pulled over the severing edge will be snagged on the side-projected teeth thereby causing a segment of the film to be severed.

Abstract: A tape dispenser for adhesive tape comprising a housing (10) for rotatably supporting a tape roll (12) with the tape end (11) exiting the housing through an opening (22) and passing around a guide (21). To sever the tape, a cutting mechanism (25) is provided comprising rollers (29) supported on a rotatable shaft (27) with radially extending cutting members (26) positioned to contact the tape. When severing of the tape is desired, the rollers are brought into contact with the surface to which the tape is being applied to move the cutting members into contact with and at the same velocity as the tape for effective cutting.

Abstract: A severing blade comprising a plurality of spaced-apart sharp piercing teeth disposed below and between a plurality of spaced-apart blunt projections, the blunt projections being adapted to stretch and/or thin a segment of a sheet material, such as stretchable film, to be severed.

Abstract: A dispenser for rolls of adhesive tape is described. The dispenser includes a parallelepiped receptacle for a roll of tape, with an opening for drawing the tape from the receptacle and a cutting means adjacent the opening for severing the tape. The dispenser may include an angle member to serve both as a cutting means and a retaining surface and also serve to strengthen the receptacle in cooperation with a strengthening panel beneath the angle member.

Abstract: A flip top dispenser carton is provided having improved end closures which may be readily erected on automatic equipment. The end closures are defined by a plurality of end flaps, having complimentary triangular configurations enabling selective adhesive connections to be established between certain flaps. In addition, an improved reinforced straight cutting edge is provided to facilitate cutting of rolls of film such as wax paper and aluminum foil.

Abstract: A dispensing container formed of molded plastic and paperboard includes a pair of integral, molded plastic cylindrical supporting members bonded by the insert injection molding process to opposing surfaces of end walls of housing structure and is adapted for cooperation with each other to support a roll containing material to be dispensed from the roll. At the same time the supporting members are formed, an integral, molded plastic cutting member is also bonded by the insert injection molding process to the housing and extends between the end walls thereof for cutting material dispensed from the roll.

Abstract: A carton construction and method of making an integral cutting edge therefor. An intermittent cut-score line is utilized at the juncture of the front and bottom main panels the cut segments of which extend into the front panel to provide a plurality of discrete teeth for the cutting edge. The end portions of each cut segment terminate approximately at the juncture of the front and bottom panels so that the space between the cut segments provide an axis for folding between the front and bottom panels in erecting the carton. Additionally, the individual teeth are stiffened by applying a coating thereto. The carton blank is formed into an open ended tube and a plurality of these tubes, in flattened condition, are stacked with the cutting teeth uppermost in which position they are coated, such as by a roller coating.

Abstract: A dispenser for tapes packaged in a roll and having an adhesive on one side thereof has a pair of spaced parallel sidewalls upstanding from the base and a mounting disk is rotatably positioned upon a shaft extending between the centers of the sidewalls. A roll of tape is mounted on the mounting disk. There is a cutter edge at an upper corner of the housing between the sidewalls and there is a rotatable roller positioned below and inwardly of the cutter edge but above a radius extending from the center shaft to the cutter edge. The roller has a helical thread thereon so as to provide a moving point contact for the adhesive surface of the tape moving thereover. As the adhesive side of the tape passes over the roller and below the cutter edge, the tape can be pulled out to a desired length and then cut along its non-adhesive surface by being moved upwardly against the cutter edge.

Abstract: A dispensing carton for a web in roll form wherein the lid is closed on the roll with an end of the web emerging between the lid and the wall of the carton. The wall of the carton is provided with a longitudinal relatively stiff strip, preferably of plastic, adjacent the opening in the carton through which the web is drawn. The strip has a serrated edge for tearing the web after a desired length is drawn. The strip is extended onto adjacent sealing or dust flaps of the carton which are secured to the end walls of the carton so that when the sealing or dust flaps are folded into engagement with the end walls of the carton during manufacture of the carton, reinforced corners for the carton are formed at the areas of greatest stress where the web is first torn against the serrated edge, or reinforcement is obtained by using a multi-ply underlay for supporting serrated edge strip. The serrated edge strip may be mounted to extend beyond a side wall or a bottom wall of the carton.

Abstract: A method for anchoring a metal tape-cutting blade to a thermoplastic resin frame of a tape dispenser. The plate is pierced to produce a plurality of plate portions projecting around an opening. The projections are positioned against the frame. Ultrasonics are used to locally heat the frame while the projections are pressed into it, whereupon a portion of the thermoplastic frame material flows into the opening between the projections and upon solidification holds the blade in place.

Abstract: A dispenser carton for dispensing sheet material, e.g., household wrap type sheet material. A unique structure at one corner of the carton permits tearing off a length of the sheet material after that length has been withdrawn from a roll inside the carton. The carton corner is comprised of plural serrated cutting sections each of which is cut through at least one of the panels, and plural fold sections which cooperate to connect the carton's walls together at that corner, the serrated and fold sections alternating along the corner's length from one end to the other. The serrated sections are of a length and number to permit tearing of the sheet material to desired length on that carton corner, and the fold sections are of a length and number to provide structural rigidity to the carton at that corner during normal use of the tearing edge and carton so formed.

Abstract: A roll dispenser carbon for dispensing sheet material, e.g., food wrap type sheet material. A unique cutting edge structure on the carton permits tearing off a length of the sheet material after that length has been withdrawn from the roll inside the carton. In the case of certain type sheet materials, the cutting edge structure retains the remaining free edge of the sheet material on the cutting edge after the desired sheet length has been torn from the roll. The cutting edge structure is comprised of a series of punched buds, each bud having at least two petals, that are formed in a metal sheet by punching that sheet with a piercing punch.

Abstract: A hand-held tape dispenser has a main frame supporting a tape roll feeding tape outwardly along a pivotal guide shoe past a pivotal cutter edge on a blade movable between a retracted position and an extended position; a thumb slide is drivingly connected to the blade to pivot it to its extended position and a finger operated lever operates at the completion of a tape dispensing operation firstly for clamping the tape against the tape guide shoe and secondly for rapidly moving the tape guide means to a retracted position spaced inwardly of said tape cutter edge when said tape cutter edge is in its extended position to tension the tape against the cutter edge to effect severing of the tape and provide a tape end tab extending outwardly of said dispenser upon return of the cutter edge to its retracted position.

Abstract: A roll dispenser carton for dispensing sheet material, e.g., food wrap type sheet material. A unique cutting edge structure on the carton permits tearing off a length of the sheet material after that length has been withdrawn from the roll inside the carton. In the case of certain type sheet materials, the cutting edge structure retains the remaining free edge of the sheet material on the cutting edge after the desired sheet length has been torn from the roll. The cutting edge structure is comprised of a series of punched buds, each bud having at least two petals, that are formed in a metal sheet by punching that sheet with a piercing punch. The points of each bud's petals are turned inwardly toward the bud's axis, thereby minimizing the cutting edge's ability to scrape or scratch a user's hands or the like.

Abstract: A device for rotatably supporting a roll of sheet material includes a frame rotatably supporting the roll. Arms on the frame support a cutter bar parallel to the axis of the roll and movable to bear resiliently against and follow the periphery of the roll. Spacing means having a convexly rounded head is fixed on the cutter bar spaced from its cutting edge, such that the cutter bar engages the roll only by said spacing member and adjacent said cutting edge.

Abstract: A rolled material guide and cutter attachable to a pre-existing rolled material holder is provided. The rolled material guide and cutter comprises a pair of attachment members that attach to the brackets of the pre-existing roll holder, an interconnecting member between the pair of attachment members and a cover member pivotally connected to the attachment members. The cover member and interconnecting member form a channel through which the paper is guided. A tearing edge is provided to tear the material at the exit of the channel.

Abstract: A gang tape dispenser for a multiplicity of dissimilar rolls of pressure sensitive tape selectively usable at the user's option. Each roll may bear a roll of distinctive symbols dissimilar from those on the other rolls enabling the user to employ strips alone or in any of a profusion of combinations for coding and identifying and the like purposes. The tape rolls are housed in aligned storage cells having dispensing ports facing a common severing blade. The dispenser can be bench mounted or suspended on a workman's belt.

Abstract: A plastic sheet support clip is provided for use in conjunction with a plastic sheet which performs the function of a protective seal to inhibit the passage of water into the cargo compartment of trucks having a door that is not adequate for water protection. This plastic sheet support clip is formed from a single thin piece of sheet metal. When the metal is stamped the invention is formed comprising a channel form retainer open at the top and a mounting flange having holes to assist in securing the invention to the side walls of the truck. The retainer has a bottom, a front wall and two side walls. A V-shaped notch is formed in the front wall and opening at the upper edge of the front wall. Lower portions of the notch are sharpened and act as a plastic sheet tearer or cutter.

Abstract: This adhesive tape dispenser is of one-piece construction with a flat horizontal rectangular base portion adapted to rest on the table. A flat rectangular tape-roll-holding portion rises at an acute angle to the base portion and has an inclined tape-roll-receiving slot of rectangular outline, the width of which corresponds to the width of the tape and the length of which is slightly smaller than the minimum diameter of the tape on the core upon which the tape is unwound. Rising from the opposite end of the base portion is a tape severing portion at the top of which is a horizontal edge provided with cutoff saw teeth.A modification has stepped upper and lower edges of the slot adapted to receive tape rolls of either of two standard tape widths.

Abstract: A device for separating from a continuous strip having score lines defining individual sheets or bags wherein a plate and a pressure bar justapositioned to the plate and spaced apart therefrom to permit the strip to pass therebetween is provided. A bearing or prong projects outwardly from the center portion of the plate in order to facilitate separation sections of the strip along the score lines and display the next succeeding section for easy grasp by an operator.