A46D3/045

Processes for manufacturing personal-care applicator

A personal-care applicator comprises at least one stem having a proximal end including a handle and a distal end opposite to the proximal end and at least one bristled component attached to the stem, wherein the bristled component comprises a carrier and a plurality of bristles ultrasonically welded to the carrier and outwardly extending therefrom according to a pre-determined pattern, wherein the elongated carrier and the at least first plurality of bristles comprise ultrasonically compatible materials, and wherein the bristles are ultrasonically bonded to the carrier through a direct ultrasonic bond between a surface of the carrier and a lengthwise portion of each of the bristles. Process comprises providing at least one elongated stem having a proximal end and a distal end, providing the at least one bristled component, and attaching the at least one bristled component to the at least first stem.

CLEANING ELEMENT CARRIER AND TOOTHBRUSH HEAD COMPRISING IT

A cleaning element carrier for a toothbrush in a form of a disk has a back surface including a central depression covering at least 70% of the back surface and forming an edge at the border. The carrier's front surface includes at least one protrusion so that the front surface comprises two levels, wherein the area covered by the depression is larger than the area covered by the protrusion.

METHOD FOR PRODUCING A TOOTHBRUSH HEAD OR A PART THEREOF
20200397136 · 2020-12-24 ·

A method for producing a toothbrush head comprises providing at least two bristle tufts that differ in at least one property; arranging the tufts in a hole-perforation plate comprising holes shaped and distributed according to the desired bristle field; arranging an energy source so that the ends of the bristle tufts and the energy source are arranged contactless, wherein the ends of the bristle tufts to be fused are arranged at different distances to the energy source and are adjusted according to the different property; applying energy to the ends of the bristle tufts until fuse balls are formed; transferring the bristle tufts to a subsequent process position, wherein the distance of the fuse ball of at least one bristle tuft to the hole-perforation plate is different from the distance of said fuse ball to the hole-perforation plate in the fusing position before; over-molding of the fuse balls of the bristle tufts with plastic material thereby forming the brush head or the part (10) thereof.

HOLE PERFORATION PLATE FOR MANUFACTURING OF A TOOTHBRUSH HEAD AND PART THEREOF
20200397135 · 2020-12-24 ·

A hole perforation plate (60) has a front surface (61), a back surface (62), a thickness (D) therebetween, and a plurality of holes (70), grouped into more than one arrangement (65) of holes (70), wherein the more than one arrangement (65) of holes (70) can be identical or different compared to one another regarding the number of the holes (70), the shape of the holes (70), the size of the holes (70), the distance between the holes (70), the arrangement of the holes (70), and a combination thereof, and wherein the front surface (61) is uneven in the area of the arrangement (65) of the holes (70).

BRUSH HEAD ASSEMBLY AND METHODS OF MANUFACTURE
20200375349 · 2020-12-03 ·

A method (200) for manufacturing a brush head (10) includes: (i) positioning (210) a first end (23) of each of a plurality of bristle tufts (21) into a tuft plate (110) comprising a plurality of cavities (120) each configured to receive at least one of the plurality of bristle tufts; (ii) applying (220) a force, via a profile plate (300), to a second end (25) of the plurality of bristle tufts, wherein the profile plate comprises a predetermined shape complementary to a desired profile configuration of the bristle tufts; and (iii) applying (230) heat to each of the first ends of the plurality of bristle tufts, via a die plate (400) comprising at least one cavity (410) configured to receive at least one of the plurality of the first ends, at a temperature sufficient to at least partially melt each of the first ends into the cavity.

Method and apparartus for producing a brush

According to a method or an apparatus for fastening bristles in a bristle carrier (10) without using an anchor a heating (39) is provided in a tool part configured to transport the bristles. After inserting the bristles into anchoring openings (12) in the bristle carrier (10), the anchoring openings are closed by applying pressure.

Oral care implement

An oral care implement that includes a handle and a head with a front surface. A plurality of tooth cleaning elements extend from the front surface. The plurality of tooth cleaning elements may include first and/or second sets of peripheral tooth cleaning elements located adjacent to opposing lateral edges of the head. The peripheral tooth cleaning elements may include elastomeric sleeve portions and bristle tuft portions. The elastomeric sleeve portions may be formed as a part of an integrally formed elastomeric component.

BRUSH HEAD ARRANGEMENTS
20200352313 · 2020-11-12 ·

A brush head (32) including: a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands having a free end (25) and a proximal end (23); a plurality of retention rings (50) each comprising an upper portion (51), a lower portion (53), an exterior wall (55) and an interior wall (57), and each configured to receive the proximal end of at least one of the plurality of bristle tufts, wherein at least one of the plurality of retention rings comprises a transverse projection (71, 72) extending from the exterior and/or interior wall of the retention ring; and an elastomeric matrix (30) comprising at least a portion of each of the plurality of retention rings and the proximal end of each of the plurality of bristle tufts.

Makeup brush
10820684 · 2020-11-03 ·

The method for manufacturing a makeup brush includes: molding a ferrule and welding bristles to the ferrule. The ferrule includes a ferrule inner end; a ferrule outer end; a ferrule body; an interior; and a well. The well has a well base parallel to the ferrule outer end. The well base has an inner side and an outer side. The step of welding the bristles includes the steps of disposing the bristles in contact with the outer side of the well base and exposing the inner side of the well base to welding.

Brush head arrangements

A brush head (32) including: a plurality of bristle tufts (21), each of which comprises a plurality of bristle strands having a free end (25) and a proximal end (23); a plurality of retention rings (50) each comprising an upper portion (51), a lower portion (53), an exterior wall (55) and an interior wall (57), and each configured to receive the proximal end of at least one of the plurality of bristle tufts, wherein at least one of the plurality of retention rings comprises a transverse projection (71, 72) extending from the exterior and/or interior wall of the retention ring; and an elastomeric matrix (30) comprising at least a portion of each of the plurality of retention rings and the proximal end of each of the plurality of bristle tufts.