The disclosure relates to a method of manufacturing a toothbrush handle and includes heating a pelletized polyolefin based (preferably polyethylene based) polymeric material having a biobased content of at least 60% by weight, and injection moulding the heated polymeric material into a moulding cavity thereby forming a toothbrush handle. The moulding cavity has the shape of a toothbrush handle comprising a gripping portion and a bristle support portion. The disclosure also relates to toothbrush handle, a toothbrush and a method of manufacturing a toothbrush.

A toilet brush comprises a handle and a brush head. A backbone core is coupled to the handle. An inner support piece is further coupled to the backbone core and to the brush head. The handle further comprises an attachment area and the brush head further includes a scraping feature.

A method for cleaning a coke deposit from an internal surface of a process equipment, comprising removing at least a portion of the coke deposit from the internal surface using a flexible pig comprising a plurality of bristles, without damaging a metal protective layer of the internal surface of the process equipment. A flexible pig for cleaning a coke deposit from an internal surface of a process equipment without damaging a metal protective layer of the internal surface, comprising a flexible body formed of a polymeric material, and a plurality of bristles partially encapsulated by the polymeric material of the flexible body.

A method for cleaning a coke deposit from an internal surface of a process equipment, comprising removing at least a portion of the coke deposit from the internal surface using a flexible pig comprising a plurality of bristles, without damaging a metal protective layer of the internal surface of the process equipment. A flexible pig for cleaning a coke deposit from an internal surface of a process equipment without damaging a metal protective layer of the internal surface, comprising a flexible body formed of a polymeric material, and a plurality of bristles partially encapsulated by the polymeric material of the flexible body.

A brush head (100) and a method of making a tuft spike (20) and a brush head with a plurality of tuft spikes. The brush head includes a matrix (30) having a plurality of receptacles (32) formed therein. A plurality of tuft spikes are each formed of a plurality of bristle strands (22) arranged in a tuft (21) having a free end (25) and a proximal end (23) inserted in a spike body (24). Each tuft spike is disposed in one of the receptacles of the matrix. A brush head neck (40) has a distal platen (42) that is connected to and at least partially encompassed in the matrix.

A method for cleaning a coke deposit from an internal surface of a process equipment, comprising removing at least a portion of the coke deposit from the internal surface using a flexible pig comprising a plurality of bristles, without damaging a metal protective layer of the internal surface of the process equipment. A flexible pig for cleaning a coke deposit from an internal surface of a process equipment without damaging a metal protective layer of the internal surface, comprising a flexible body formed of a polymeric material, and a plurality of bristles partially encapsulated by the polymeric material of the flexible body.

A method for cleaning a coke deposit from an internal surface of a process equipment, comprising removing at least a portion of the coke deposit from the internal surface using a flexible pig comprising a plurality of bristles, without damaging a metal protective layer of the internal surface of the process equipment. A flexible pig for cleaning a coke deposit from an internal surface of a process equipment without damaging a metal protective layer of the internal surface, comprising a flexible body formed of a polymeric material, and a plurality of bristles partially encapsulated by the polymeric material of the flexible body.

A sonic vibration toothbrush includes a head extending in an axial direction with a plurality of bristles implanted at an outer circumference thereof in a direction perpendicular to the axial direction; a head arm having an inner space to transmit a sonic wave to the head. A top portion of the head arm where the inner space is narrowed is coupled to the head and a motor accommodating portion that accommodates a motor therein and transmits a sonic wave generated by a rotating force of the motor to the head arm. The toothbrush further includes a handle having a space for accommodating a battery; an input unit provided at the motor accommodating portion in a button form; a display unit provided at the handle; and a control circuit that controls the motor according to input information provided from the input unit.

A sonic vibration toothbrush includes a head extending in an axial direction with a plurality of bristles implanted at an outer circumference thereof in a direction perpendicular to the axial direction; a head arm having an inner space to transmit a sonic wave to the head. A top portion of the head arm where the inner space is narrowed is coupled to the head and a motor accommodating portion that accommodates a motor therein and transmits a sonic wave generated by a rotating force of the motor to the head arm. The toothbrush further includes a handle having a space for accommodating a battery; an input unit provided at the motor accommodating portion in a button form; a display unit provided at the handle; and a control circuit that controls the motor according to input information provided from the input unit.

A surface cleaning apparatus includes a rotatably mounted brush associated with a dirty air inlet. A plurality of bristles extend outwardly from a radial outer surface of the rotatably mounted brush. A leading hair blocking member is provided adjacent a forward rotational side of the bristles, and a trailing hair blocking member is provided adjacent a rearward rotational side of the bristles.