Abstract: An eco-friendly brush is disclosed. The present disclosure relates to an eco-friendly brush in which the brush may be biodegraded at disposal, thereby preventing environmental pollution, even solving harmful problems caused by the adhesive, and enabling various types of bristle bundles to be interchangeably installed. As an exemplary embodiment, the present disclosure is provided to include: a handle made of biodegradable resin; a neck part made of the biodegradable resin, and having the rear end part thereof to which the front end part of the handle is detachably coupled; a brush fixing ring made of the biodegradable resin, and having the rear end thereof to which the front end part of the neck part is detachably coupled; and a head part inserted into a rear end part of the brush fixing ring and fixed therein, and having a bristle bundle integrally implanted on the front surface thereof.

Abstract: A multi-lobated brush and sleeve assembly provides a brush having multiple types and sizes of hollow bristles, including a tetraocular filament, a round filament with tipped ends, and a quad filament. The brush as a handle that supports a plurality of independent mobile bristles. The bristles are arranged in a tapered, negative slope configuration having an edge tip defined by an apex. The edge tip surface section of bristles on the left side of the brush are stiffer, enabling cutting capacity and increased paint pickup. A reservoir in the handle contains paint, and feeds the paint through the hollow bristles to the distal free ends for smooth application of paint. A sleeve body may be used separately, or in combination with the brush. The sleeve body encircles the bristles, bunching the bristles together and forming a tapered, tear drop shape at the distal free end of the bristles.

Abstract: A method of forming a bristle field for an oral care implement. The method includes providing a bundle of bristles and aligning the bundle of bristles with an insertion opening in a guide member. Upon insertion into the guide member, the guide member divides the bundle of bristles into a plurality of bristle tufts. The guide member can be aligned with tuft holes on a head or head plate of an oral care implement so that the bundle of bristles can be inserted through the guide member and into the tuft holes. As a result, a single bundle of bristles can be used to mount a plurality of bristle tufts to the head or head plate.

Abstract: A brush includes a brush head which comprises a brush support, and a plurality of brushing members integrally provided on the brush support, wherein the brushing members and the brush support are integrally formed together by heat treatment.

Abstract: The brush according to the invention has a bristle carrier, which is produced by injection molding, and bristles, which are produced from a bristle material likewise by injection molding. The bristle carrier is provided with at least one distributing channel for the bristle material. The bristles are formed integrally with the bristle material in the distribution channel.

Abstract: An applicator assembly having an application element, a blending element and a retaining element. The application element comprises a material configured to retain an application material and distribute the application material onto a surface and the blending element comprises a material configured to distribute the application material on the surface. Together the application and blending elements allow the process of transferring, distributing and blending the application material onto the surface to be performed with a single application assembly. Embodiments of the applicator assembly have the application element and the blending element to be comprised of materials with different characteristics.

Abstract: A method of fusing without contact the ends of thermoplastic filaments grouped together to form at least two tufts.

Abstract: A paint brush and method include a ferrule extending around and in contact with a plurality of bristles and a spacer apparatus positioned to space apart the plurality of bristles to provide at least one reservoir within the plurality of bristles. The spacer apparatus defines at least one opening extending through the spacer apparatus that allows fluid passage therethrough to the at least one reservoir to assist in removal of paint from the plurality of bristles when fluid is provided therein.

Abstract: A paint brush includes a handle having an attachment end and a grip end. The attachment end has an overall width larger than the grip end. A plurality of bristles is coupled to the attachment end of the handle by a resin. An extension extends from the attachment end of the handle into the resin and toward the plurality of bristles. The extension has a substantially planar surface that faces the plurality of bristles. A groove is formed within the extension and has an opening on the planar surface facing the plurality of bristles. The opening is sized and shaped to allow resin to at least partially fill the groove so as to further reduce independent movement of the handle with respect to the plurality of bristles.

Abstract: A brush head, particularly a toothbrush head, may have a plurality of cleaning elements, in particular bristle tufts, which are anchored by an end section in a brush carrier, wherein the cleaning elements may be cast with positive engagement in blind-hole shaped retaining recesses. For producing such a brush head different cleaning elements may be placed successively or simultaneously in different mold cavities and may be over-molded using different plastic materials from which injection-molding sections of the bristle carrier are formed in the process. In doing so, a first cleaning element is over-molded in a first mold cavity using a first plastic material, while a second cleaning element is over-molded in a second mold cavity using a second plastic material.

Abstract: A method for making a paint brush includes coupling a plurality of filaments to a handle inside a sleeve with the handle extending out of the sleeve. At least a portion of the handle and the sleeve are coated with a substantially impermeable coating to form a seal around an interface between the sleeve and the handle without covering the plurality of filaments.

Abstract: A paint brush includes a sleeve circumscribing a portion of a handle and a portion of a plurality of bristles. A plug can be coupled to the handle. The plug can extend away from the handle into the plurality of bristles to form a space between the bristles. An extension and a recess can be formed between the handle and the resin with the extension extending from one of the handle or resin and into the recess in the other of the handle or resin.

Abstract: The invention relates to a method and a device for producing a toothbrush (50) or part thereof by the two-component or multi-component injection-molding process. To produce in the brush body segments (20) that are isolated from the rest of the brush body, a mold (10) which comprises three hollow regions (12, 14, 16) is used. Two of these hollow regions (12, 14) that are separate from one another serve for producing the segments (12) and the other regions (18) of the toothbrush (50) from a first component (38). A third hollow region (16) serves for distributing material to the segments (20) that are isolated from one another and from the other regions (18), or the corresponding hollow region (14). The material (22) remaining behind there is removed and sent for disposal. In a further step, connecting elements (42) between the segments (20) and/or the other regions (18) are injection-molded from a second component (39).

Abstract: A paint brush includes a sleeve circumscribing a portion of a handle and a portion of a plurality of bristles. A plug can be coupled to the handle. The plug can extend away from the handle into the plurality of bristles to form a space between the bristles. The plug can have a concave end that faces the space between the bristles. The concave end and the space together can form a paint reservoir within the plurality of bristles.

Abstract: A hair brush may include a body having a receiving portion at a first end. A cushion pad having an inner surface and an outer surface may be disposed in the receiving portion, and may include a plurality of bristle anchors having an aperture. A plurality of bristles may be tufted into each of the apertures.

Abstract: A paint brush (201) is provided. The brush comprises a bristle cluster (207) and a handle (202) for holding the cluster. The root end of the cluster is set into adhesive composition by a set depth X. The cluster comprises bristles of two or more different lengths. For a majority of the bristles the difference in length between a longest bristle and a shortest bristle is a range value Y. Y is less than X which means that one end of all bristles conforming to this rule must be embedded in adhesive composition but not all bristles will extend all the way to the tip end of the cluster. This ensures that bristles do not fall out of the handle whilst providing a tip end with reduced weight.

Abstract: The invention is directed to a brush head, in particular a toothbrush head, having a bristle carrier and bristles attached thereto, which are seated in the form of tufts in holes in the bristle carrier and fastened by their ends close to the bristle carrier to the bristle carrier without anchoring, in particular by welding and/or adhesive bonding to a rear side of the bristle carrier using the method referred to as anchor-free tufting. According to the invention, at least one hole (2) in the bristle carrier (1) is divided by means of at least one transverse wall (4) into several segments and said at least one transverse wall is constructed such that the bristles seated in the segments form a common tuft (3) with a smooth and closed outer contour corresponding to the contour of the hole and are supported by the transverse wall.

Abstract: A method and product made thereby is provided in which a brush block is assembled with brush bristles by the method of fusing. The brush is formed with a substrate brush block that has a filler or reinforcing fiber embedded therein, according to a first preferred embodiment. The bristles of the brush are formed into tufts. An attachment end of each tuft of bristles is melted and pressed into a melted tuft cavity formed in the brush block. Upon cooling, the tuft is fixedly welded to the brush block with mechanical attachment. The bristles may be of the same or of a different polymer than the brush block. According to a second embodiment of the invention, brush bristle tufts are assembled to a substrate fibrous mat by the invention method of fusing. An attachment end of each bristle tuft is melted and pressed into intimate contact with the fibers of the mat that are kept at ambient temperature or partially melted. Upon cooling, the tuft is fixedly welded to the mat.

Abstract: A bundle of hairs, having a hair portion which is composed of plural hairs of synthetic fiber and a base for connecting base ends of the plural hairs of the synthetic fiber, used for painting, writing, drawing, etc., with liquid impregnated into the bundle of hairs. A rate of synthetic fiber non-existent area to an area defined by dimensions of a base portion of the hair portion is set to correspond to purposes of the bundle.

Abstract: Provided is a production process of a brush, comprising a consecutive combination of: (a) a step of bundling a prescribed number of fibers to form a long-size fiber bundle in which the whole is temporarily bound, (b) a step of cutting the long-size fiber bundle to a prescribed size, (c) a step of completely binding the tail end part of the cut fiber bundle by a thermally fusing means, (d) a step of dipping the fiber bundle in which the tail end part is completely bound in a solvent to remove the resin adhered to unbind the fibers other than those in the tail end part of the fiber bundle.

Abstract: A fused filament tuft includes a plurality of filaments which are fused on at least one end to form a cluster or tuft. A cross section of the tuft of filaments may have any shape, such as round, rectangular, or oval. The fused filament tufts fabricated from metallic filaments may be formed by fusing at least one end with a welding process and then cutting the plurality of filaments. Filaments fabricated from synthetic materials may be fused into tufts with sonic welding and then cut to length. A nonfused end of each tuft may be flared by squeezing the perimeter of the tuft at substantially the fused end thereof. A plurality of tufts may be captured to form a brush with a base structure. A fused brush strip is an unified lengthwise progression of metallic filaments which may exceed twenty inches. The fused brush strip does not require a base structure to retain a plurality of filaments. The filaments are joined on one end thereof. The fused brush strip is preferably formed with a welding process.

Abstract: A method is provided for manufacturing a function element carrier with function elements, for example, individual tufts made up of bristles and/or massage elements, interproximal cleaning elements, or other elements designed to be fastened to a toothbrush and also perform special functions. The function elements are equipped at their ends intended for anchoring in a toothbrush with an anchor, retainer or axle element. The method includes: (a) inserting several function elements in corresponding recesses of an injection mold, said injection mold being connected via grid or bar shaped channels formed in a die to recesses in the areas of the anchoring ends of the function elements; (b) filling the grid or bar shaped channels with liquefied plastic material and injecting said material at the anchoring ends of the function elements or embedding them therein; and (c) allowing the plastic material to cool and removing a function element carrier made up of a grid or bar shaped plastic frame and the function elements.

Abstract: A paint brush having a removable bristle pack which snaps on and off a handle portion by means of a resilient prong mounted pin. The present invention employs a slot in the ferrule of the bristle pack to receive with a friction fit the pin extending resiliently from the handle. In assembly the handle is merely inserted into the ferrule until the pin snaps into place, and the bristle pack can be removed for cleaning or changing by depressing the pin which will thereby cause the bristle pack to be disengaged.

Abstract: The invention is directed to a brush head, in particular a toothbrush head, having a bristle carrier and bristles attached thereto, which are seated in the form of tufts in holes in the bristle carrier and fastened by their ends close to the bristle carrier to the bristle carrier without anchoring, in particular by welding and/or adhesive bonding to a rear side of the bristle carrier using the method referred to as anchor-free tufting. According to the invention, at least one hole (2) in the bristle carrier (1) is divided by means of at least one transverse wall (4) into several segments and said at least one transverse wall is constructed such that the bristles seated in the segments form a common tuft (3) with a smooth and closed outer contour corresponding to the contour of the hole and are supported by the transverse wall.

Abstract: A paint brush includes a two component brush handle having a head portion made of a relatively rigid plastic material and a grip portion made of a relatively soft, flexible elastomeric material. The head portion has one end adapted to fit within the ferrule of a brush and an other end having an integral web portion protruding axially outwardly therefrom about which the grip portion is over molded to secure the grip portion to the head portion. One or more openings are provided in the web portion through which the material of the grip portion is caused to extend during the over molding step to provide a mechanical connection between the grip portion and head portion.

Abstract: A handle for use in production of brushes by fusion. The handle is injection molded with a set of pre-formed holes. Each hole contains, on its bottom surface, a protrusion of excess material. Bristles for the brush are heated to form a small fuse at their ends. When the fused ends are inserted into the holes, material from the protrusion flows around the fuses, retaining them in the holes upon cooling.

Abstract: A method of manufacturing a brush head, comprises: locating in a ferrule the basal end portion of a knot of bristles; compressing at least one wedge of resiliently deformable material by an amount such that the wedge or wedges remains capable of recovering to its or their original size and shape; before the wedge or wedges have recovered to their original size and shape, inserting them into the basal end portion of the knot of bristles in the ferrule; the wedge or wedges, as it or they recover compressing the bristles against an inside surface of the ferrule to enhance retention o the bristles by the ferrule; impregnating the basal end portion of the knot of bristles with liquid resin; and thereafter allowing or causing the resin to harden to retain the basal end portion of the knot of bristles in the ferrule.

Abstract: The present invention relates to a method of manufacturing a brush head comprising a brush head body carrying bristle bundles, in particular for tooth brushes, by way of injection molding, in which a first plastic component is injected into a first mold cavity for forming a bristle carrier, and ends of bristle filaments projecting into the first mold cavity are encompassed by the first plastic component. In order to guarantee a complete filling of the mold and a favorable reproduction of the mold cavity geometry, but to avoid at the same time a penetration of plastic mass into ducts in which the bristle filaments are held, it is suggested by the present invention that the bristle carrier manufactured during the first step is relocated into another mold cavity, which is larger than the bristle carrier, and which is filled with a hard component.

Abstract: A method for fusing brushware on a thin walled, molded hollow plastic synthetic container is described. Tufts of synthetic materials arc picked and non-working ends thereof fused. The hollow bottle is molded with protrusions extending from a surface thereof with one protrusion intended to received each fused tuft end. The protrusions then are heat softened to form a melted section of synthetic surface wherein the fused tuft end can be mounted. The result is a hollow container having tufts extending from the outer surface thereof, integral with the container without distorting the thin wall thereof by the fusing process.

Abstract: A method and an apparatus for the manufacture of brushes, and brushes manufactured according to such method. A bristle carrier of a elastic material is provided with at least one substantially cylindrically elongated recess. An elongated bristle bundle is inserted into the elongated recess. The bristle bundle has a thickened portion at its insertion end with a transverse cross-section larger than the narrowest transverse cross-section of the recess. The longitudinal axis of the bristle bundle is aligned with the longitudinal axis of the recess, and a force is applied longitudinally on the thickened portion to cause a wall of the recess to elastically spring out so as to permit passage of the thickened portion. After passage of the thickened portion, the wall springs back until engagement of the wall on the bristle bundle occurs to secure the bristle bundle in the recess.

Abstract: This invention pertains to a novel paint brush with inverted bristle clamping panel, a removable bristle pack and a panel hinge yield mechanism. The paint brush provides ready cleaning after use by disengaging the hinged inverted bristle clamping panel, removing the bristles and thereby exposing all of the bristles to the cleaning solution. The panel has a resilient release mechanism which yields slightly when undue force is applied to the inverted hinged panel against the bristles.

Abstract: A method of permanently mounting bristles on a handle to form a brush, and a brush having bristles which extend preselected, irregular distances from the brush handle. First ends of bristles of substantially equal length are contacted against an insert element or a receiving body having a contour corresponding with the preselected, irregular distances. The insert element is heated to soften the bristle first ends or the receiving body, and then the insert element is cooled to harden the softened one of the bristle first ends and the receiving body, fastening the bristle first ends to the insert element. The insert element is fastened in a receptacle in the brush handle. As a result, the bristles extend from the brush handle with the corresponding contour. The several steps may be performed in various sequences.

Abstract: A hollow brushware article and its method of construction are described. The brushware article is constructed from a thin thermoplastic base having arms radiating from a center portion and tufts integrally fused on the upper surface of the base. The terminal portions of the arms mount segmented threads at ends thereof on the upper surface, and the lower surface mounts an aligning member so that when the ends are drawn together with the aligning member abutting, a hollow brushware article will be formed with a threaded male portion for receipt in a female handle member.

Abstract: A dual-purpose mop head assembly comprising a housing having a threaded recess for threadably engaging a handle on one end thereof, mopping yarns secured within and extending from the opposite end of the housing, and an array of closely packed, brush bristles fused to and projecting laterally from a side of the housing.

Abstract: Brush bristle assemblies are formed into strips with strips of length of thermoplastic monofilaments which are mutually fused at their bottoms and formed into coupling bars with snaps fastening heads. The bars are slidably coupled to linear or helical channels or slots formed in rotary driven brush drum bristle substrates. In one form, the individual monofilament lengths are bent to form dart shaped loops. The bent thermoplastic lengths are longitudinally stacked with the apices of the contiguous loops being mutually fused to form a bristle strip. A hand brush is formed of a bunch of polypropylene filaments, the bottom section of which being mutually fused and shaped to form a bristle base and handle.

Abstract: A method for fusing brushware on a thin walled, molded hollow plastic synthetic container is described. Tufts of synthetic materials are picked and non-working ends thereof fused. The hollow bottle is molded with protrusions extending from a surface thereof with one protrusion intended to received each fused tuft end. The protrusions then are heat softened to form a melted section of synthetic surface wherein the fused tuft end can be mounted. The result is a hollow container having tufts extending from the outer surface thereof, integral with the container without distorting the thin wall thereof by the fusing process.

Abstract: A cap for a broom has a shroud that simulates the appearance of the head of a straw broom and has front, rear, end and top walls defining an internal cavity. A cylindrical socket extends inwardly of the cavity from the top wall and may be threaded to receive the threaded end of a broom handle. A collar upstanding from the top wall provides additional support for the handle. An integrally moulded post projects into the cavity from the bottom of the socket and a nut, preferably a wing nut, is threadably secured to the post. The shroud can be filled with straws and a curable mass poured into the cavity to bind the straws together. The nut will be embedded within the curable mass as it cures and will prevent the mass and straws from coming out of the shroud during use.

Abstract: An end brush and a method of making the brush is disclosed using the automatic distribution and insertion of the bristle fill material into the cup of a cup-shape shank holder. A centered drive stem projects from the bottom of the holder. After a measured amount of the fill material is inserted through fill tubes and a guide funnel, a centering core insert is forced into the center of the cup to distribute the fill material around and against the interior wall of the cup. The material is cut to proper length and in the same or a separate station the exterior wall of the cup of the holder is deformed or crimped inwardly girdling the core securing and centering the core and material in the holder. Axial ribs are also formed which improves transfer of heat from the holder improving tool life. Preferably the insert is softer than the fill material and may also be softer than the holder. A wide variety of fill materials may be employed as well as various shapes of inserts and holders.

Abstract: This invention pertains to paint brush with bristle clamping panels. The paint brush can be fabricated easily and inexpensively, is easy to use, and provides ready cleaning after use, by releasing the panels and exposing the bristles to the cleaning solution. A paint brush comprising: (a) a paint brush body and handle, the body having formed in one end thereof a cavity for receiving a group of bristles; (b) a pair of pivotal members secured to respective sides of the body, and projecting over the cavity, the pivotal members being capable of abutting bristles when moved to a first closed position, and being remote from such bristles when moved to a second open position; (c) a securing member positioned on the body for securing the pivotal members in a first position and releasing the pivotal members for movement to a second open position.

Abstract: A radial brush having a plurality of discrete brush segments mechanically affixed to or mechanically affixed to and bonded to a central core. Each brush segment is a preformed discrete component having a predetermined degree of splay. The brush segments are affixed to the core for rotation about an axis of rotation, so that splay of the individual fibers lies in a plane orthogonal to the axis of rotation and splay in the axial direction may be precluded.

Abstract: A polyisocyanurate composition suitable for use as a paintbrush potting compound which does not foam at bristle interfaces, rapidly penetrates bristle bundles and cures rapidly to a highly solvent resistant embedment with good adhesion to both bristle and ferrule materials, comprises:a polyisocyanate containing at least 18% by weight NCO content;a polyol;the polyisocyanate and polyol components being present in respective amounts so as to provide a NCO/OH ratio of between 2 and 4; and,an amount of catalyst effective to catalyze cure of the composition predominantly by formation of isocyanurate linkages without substantial gassing.

Abstract: A composite abrasive filament, including at least one preformed core at least partially coated with a hardened, abrasive-filled thermoplastic elastomer, exhibits increased abrading life over previously known abrasive filaments. Also disclosed are methods of making such filaments and using such filaments in article form to abrade a variety of workpieces.

Abstract: A paint brush having a plastic dome centrally located with respect to the sides and ends of the brush enclosed by a ferrule. Bristles are packed in a continuous channel defined by the space between the dome and the ferrule. After the bristles are inserted in the channel, the channel is filled with adhesive, Alternatively, the dome might be extended to the ends and sides of the ferrule, with the dome being subdivided into fingers and channels with bristles packed into the channels between the fingers.

Abstract: This invention pertains to a paint brush with a replaceable bristle pack. A unitary paint brush with replaceable bristles comprising: (a) a paint brush body and handle, the body having formed in one end thereof opposite the handle a cavity adapted for receiving a group of bristles; (b) at least one releasable member secured to one side of the paint brush body, and projecting over the cavity, the releasable member being capable of abutting the bristles when moved to a first closed position, and being removed from the bristles when moved to a second open position; (c) at least one movable securing member for securing the hinged releasable member in a first position and releasing the hinged releasable member for movement to a second open position; and (d) a group of bristles held together and located within the cavity of the holder, and held in place by the hinged releasable member, said bristle group being removable and secured in place by the releasable mender.

Abstract: A brush segment for an industrial brush is described. The brush segment includes a polymeric base portion, a plurality of bristles individually anchored to the polymeric base portion and projecting outwardly therefrom and means for securing the brush segment to the hub of a rotary brush. The polymeric base portion preferably comprises a thermoset urethane material. The root member may comprise an extension of material independent of the polymeric base portion which is non-mechanically secured to the polymeric base portion.

Abstract: A method for making a brush element for a brush roller wherein bristle bunches formed by folding bristles over bent portions of U-shaped staples have their folded portions and associated staples inserted through tight fitting apertures in a base portion of a frame so that legs of the staples are bent by collision with a facing side of an attachment section of the frame. A hardenable adhesive is then poured into the frame between the base portion and the facing side around the staples and folded portions of the bristle bunches. The adhesive is hardened, bonding the staples in the adhesive and affixing the bristles to the base portion. The adhesive may be a polyurethane-base resin having viscosity allowing absorption of the adhesive between the bristles near their folded portions, the tight fit of the bristles in the apertures holding them in place during pouring and hardening of the adhesive.

Abstract: A tufted brush article and process for manufacturing the same. The article consists of a fabric having upper and lower surfaces with tufts disposed on the upper surface and a tuft receiving member disposed integrally with the tuft on the lower surface. The tuft receiving menber typically includes a projection which registers on the tuft and extends through the fabric material. The projection is then melted and the tuft end fused so that the tuft can be mounted on the fused projection to form an integral connection.

Abstract: The unitary paint brush comprises a paint brush body attached to a handle. The body defines a cavity adapted for receiving a group of bristles inserted therein. A pair of hinged releasable flaps project over the cavity to abut the bristles when moved to a closed position. The bristles are released by moving the flaps into an open position. A pair of springs are urging the flaps into the closed position.

Abstract: A brush roller (1) includes a cylinder section (2) and brush elements (4) attached to it. In each element (4) the bristles (6) are attached in essentially a radial direction. The cylinder (2) of the brush roller (1) includes longitudinal rails (3), and each element (4) includes an indentation (7), which attaches the element (4) to the rail (3), and one or more elements (4) are sequentially arranged to be pushed onto each rail (3).

Abstract: A paint brush configured to facilitate cleaning, prevent stiffening of the bristles and extend the life of the brush having a dome shaped member positioned between the lower end of the bristles and ferrule.