Colgate Palmolive Company

Xiangji Ding

Yanmei Ji

Wen Jin Xi

Al Aquanza Sprosta

Douglas J Hohlbein

Eduardo J Jimenez

Bo Zhang

Jianrong Zhou

Kenneth Gerald Waguespack

Chi Shing Wong

Michael Rooney

Kenneth Waguespack

Robert Moskovich

Xi Wen Jin

Thasma Ramaswamy Ravindran

Ai Aquanza Sprosta

Rishi Srivastava

Aalok Vidyarthi

Oral care implement handle

Refill head for a toothbrush

An oral care implement that includes a handle and an oral care refill head. The oral care refill head is alterable between a first state in which it is separated from the handle and a second state in which it is coupled to the handle. The oral care refill head has a proximal edge surface that defines an opening into a sleeve cavity. The proximal edge surface is inclined with radial distance from a cavity axis of the sleeve cavity. Similarly, the handle has a gripping portion that terminates at a distal end and a stem that protrudes from the distal end. The annular shoulder that is inclined downwardly and away from a stem to facilitate mating of the oral care refill head to the handle. The oral care refill head may have features for securing the oral care refill head to the stem of the handle.

Oral care implement, handle thereof, and oral care refill head therefor

An toothbrush having a handle and a head. The handle may include a first component and a second component covering at least a portion of the first component. The first and second components may be chemically compatible. The first and second components may both comprise a hard polyolefin. The first and second components may have different transparencies. In one aspect, the first component may be opaque and the second component may be transparent or semi-transparent. In some aspects, the handle may also include a third component comprising a thermoplastic elastomer. Furthermore, there may be at least one projection extending outwardly from an outer surface of the first component.

Toothbrush

Oral care implement

Oral care implement and handle thereof

Growing community of inventors

Yangzhou, China

Xiangji Ding