Patents by Inventor Ka Chuen Sze

Ka Chuen Sze has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230413971
    Abstract: The present invention is concerned with a hair fastener in the form of a hair claw. The hair fastener has a first claw member hingedly and pivotably connected to a second claw member. The first claw member and the second claw member define a cavity therebetween for housing a log of hair in use. The first claw member and the second claw member are provided with a plurality of first prongs and a plurality of fifth prongs which together define a first, outer, prong layer, a plurality of third and fourth prong which together define a second, middle, prong layer, and a plurality of second and sixth prongs which together define a third, inner, prong layer.
    Type: Application
    Filed: June 24, 2022
    Publication date: December 28, 2023
    Applicant: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen SZE
  • Publication number: 20230397704
    Abstract: The present invention is concerned with a hair fastener. The hair fastener has a first hair claw member and a second hair claw member for accommodating and securing a log of hair therebetween, a first hinge positioned between and pivotably connecting respective rear ends of the first and second claw members together for controlling relative movement thereof, a first handle connected to a rear end of the first claw member, and a second handle pivotably connected to a rear end of the second claw member, and a lock including a first projection extending from the first handle and a second projection extending from the second handle in that the first and second projections are pointed towards, engageable with and lockable against each other.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 14, 2023
    Applicant: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen SZE
  • Patent number: 11653735
    Abstract: There is provided a hair fastener in the form of a hair claw. The hair fastener has a first claw member, a second claw member and an elongate block. Each of the first and second claws is provided with a front portion, a rear portion and a joint portion arranged in between, the rear portions of the first and second claw members acting as a pair of handles for controlling opening or closure of the hair fastener. In one embodiment, the front region of the elongate block includes a plurality of tension cables, and a clearance is provided between the tension cables and the rear region such that the tension cables and the rear region can operate independently of each other.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: May 23, 2023
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen Sze
  • Publication number: 20230113543
    Abstract: The present invention is concerned with a method of manufacture of a hair fastener. The method includes the steps of i) providing at least one elastic band with a length of 65-205 mm and a width or diameter of 0.8-10 mm, wherein the elastic band defines ends surface at opposite ends thereof, ii) knitting a layer of fabric over and along the length of the elastic band; iii) connecting the opposite ends by a first connector thus effecting the elastic band taking the form of loop, wherein the first connector is an adhesive; iv) connecting the opposite ends by a second connecter, wherein the second connector is formed by molding over the first connector at the opposite ends, and bonding the second connector, the fabric cover and the elastic band at the opposite ends together.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Applicant: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen SZE
  • Publication number: 20220175105
    Abstract: There is disclosed a hair fastener. The hair fastener is in the form of a loop for securing a log of hair within the loop. The hair fastener has an inner elastic core and an outer fabric enveloping the inner elastic core, wherein the elastic core is made of a band with a width of 2 to 6 mm and a thickness of 1 to 3 mm, and made of silicone or a material of thermoplastic elastomer (TPE) selected from the consisting of hydrogenated styrenic block copolymers (SEBS), thermoplastic polyurethane (TPU) and thermoplastic vulcanizates (TPV). The hair fastener is adapted to assume a first, default, configuration in which an opening defined and surrounded by the loop has a first area and a second, fully expanded, configuration in which the opening defined and surrounded by the loop has a second area.
    Type: Application
    Filed: February 24, 2022
    Publication date: June 9, 2022
    Applicant: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen SZE
  • Patent number: 11202498
    Abstract: The present invention is concerned with a hair brush. The hair brush has an elongate profile defining a first longitudinal axis, and has a handle portion in the form of a stick sharing the first longitudinal axis and provided with a proximal end and an distal end, and the hair brush further has a utility portion extending from the distal end of the handle portion for engaging the hair and the scalp of a user during use. The utility portion has a first floating finger and a second floating finger forking off from the distal end of the handle portion and arranged at opposite lateral ends of thereof, and at least one third floating finger arranged between the first and second floating fingers. At least one or both the first and second floating fingers are free of brushing members.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: December 21, 2021
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen Sze
  • Patent number: 11166542
    Abstract: The present invention provides an improved hair brush. The hair brush has an elongate profile defining a first longitudinal axis, has a handle portion in the form of a stick sharing the first longitudinal axis and provided with a proximal end and an distal end, and further comprises a utility portion extending from the distal end of the handle portion for engaging the hair and the scalp of a user during use. The utility portion includes at least a first floating finger and a second floating finger forking off from the distal end of said handle portion, with both the first floating finger and the second floating finger provided with brushing members but independently and flexibly movable in any direction transverse to the longitudinal axis such that the first and second floating members can separately adjust in position in use.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 9, 2021
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen Sze
  • Patent number: 11083268
    Abstract: A hair barrette is provided. The hair barrette has a decorative member defining an outwardly facing surface and an inwardly facing surface, and a closure device. The closure device includes a lever and first and second seat members arranged at opposite ends of the decorative member. One end of the lever is hingedly connected to the second seat member at which the lever is pivotably movably with respect to the decorative member. The closure device is provided with a bridge member raised from the inwardly facing surface of the decorative member and connecting the first and second seat members. The first and second seat members and the lever are made of a first plastic(s) material and the bridge member is made from a more flexible second plastic(s) material. The bridge member is made of polymeric material, has a hardness of Shore D30-70, and is extendible in length to 150-300%.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 10, 2021
    Assignee: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen Sze
  • Patent number: 11006739
    Abstract: There is disclosed a hair brush. The brush has an elongate body including a utility portion and a handle portion at opposite ends thereof and defining a longitudinal axis. The utility portion includes a back member acting as a support from which brushing protections extend, and defines a first plane and a second plane perpendicularly intersecting the first plane. The back member is flexibly movable with respect to the handle portion on the first plane and the second plane. The utility portion further includes a pair of spines arranged at opposite sides of the back member for controlling the flexible movement of the back member whereby the extent of control of movement of the back member by the spines are either limited to the movement on only the first plane or substantially more on the first plane than the second plane.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: May 18, 2021
    Assignee: TUNG HING PLASTIC MANUFACTORY LTD.
    Inventor: Ka Chuen Sze
  • Patent number: 10905216
    Abstract: There is provided a hair comb. The comb has a utility member made of a first polymeric material for engaging hair and scalp of a user in use and a splint portion made of a second material for providing rigidity to the utility member and to act as a handle for user's grip. The splint member is substantially stiffer than the utility member, wherein the splint member has a flexural strength of at least 40 Mpa and a hardness of at least Shore D 75, and the first polymeric material is selected from a group selected from thermoplastics polyester elastomer (TPE-E), polyether block amide copolymer (TPE-A), ethylene-vinyl acetate (EVA), polyurethane (PU) and polyethylene (PE).
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: February 2, 2021
    Assignee: TUNG HING PLASTIC MANUFACTORY LTD.
    Inventor: Ka Chuen Sze
  • Publication number: 20200288851
    Abstract: The present invention provides an improved hair brush. The hair brush has an elongate profile defining a first longitudinal axis, has a handle portion in the form of a stick sharing the first longitudinal axis and provided with a proximal end and an distal end, and further comprises a utility portion extending from the distal end of the handle portion for engaging the hair and the scalp of a user during use. The utility portion includes at least a first floating finger and a second floating finger forking off from the distal end of said handle portion, with both the first floating finger and the second floating finger provided with brushing members but independently and flexibly movable in any direction transverse to the longitudinal axis such that the first and second floating members can separately adjust in position in use.
    Type: Application
    Filed: July 22, 2019
    Publication date: September 17, 2020
    Applicant: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen SZE
  • Publication number: 20200288856
    Abstract: The present invention is concerned with a hair brush. The hair brush has an elongate profile defining a first longitudinal axis, and has a handle portion in the form of a stick sharing the first longitudinal axis and provided with a proximal end and an distal end, and the hair brush further has a utility portion extending from the distal end of the handle portion for engaging the hair and the scalp of a user during use. The utility portion has a first floating finger and a second floating finger forking off from the distal end of the handle portion and arranged at opposite lateral ends of thereof, and at least one third floating finger arranged between the first and second floating fingers. At least one or both the first and second floating fingers are free of brushing members.
    Type: Application
    Filed: December 9, 2019
    Publication date: September 17, 2020
    Applicant: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen SZE
  • Publication number: 20200163430
    Abstract: There is provided a hair fastener in the form of a hair claw. The hair fastener has a first claw member, a second claw member and an elongate block. Each of the first and second claws is provided with a front portion, a rear portion and a joint portion arranged in between, the rear portions of the first and second claw members acting as a pair of handles for controlling opening or closure of the hair fastener. In one embodiment, the front region of the elongate block includes a plurality of tension cables, and a clearance is provided between the tension cables and the rear region such that the tension cables and the rear region can operate independently of each other.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 28, 2020
    Applicant: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen SZE
  • Publication number: 20200146417
    Abstract: There is disclosed a hair fastener. The hair fastener is in the form of a loop for securing a log of hair within the loop. The hair fastener has an inner elastic core and an outer fabric enveloping the inner elastic core, wherein the elastic core is made of a band with a width of 2 to 6 mm and a thickness of 1 to 3 mm, and made of thermoplastic elastomer (TPE). The hair fastener is adapted to assume a first, default, configuration in which an opening defined and surrounded by the loop has a first area and a second, fully expanded, configuration in which the opening defined and surrounded by the loop has a second area. Due to the physical configuration and material characteristics of the band, the band is elongateable up to 8.5 to 10 times of its original length thus enabling the first area of the loop to expand to the second area by a factor 72.3 to 100.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 14, 2020
    Applicant: TUNG HING PLASTIC MANUFACTORY LTD.
    Inventor: Ka Chuen SZE
  • Publication number: 20200138162
    Abstract: The present invention is concerned with a hair fastener. The hair fastener has a circumferential length from 65-205 mm. The hair fastener is made of an elastic band, a layer of fabric, a first coupler for providing a first connection connecting the opposite ends of said elongate band together, and a second coupler resembling a shell molded over and enveloping the first connection.
    Type: Application
    Filed: May 21, 2019
    Publication date: May 7, 2020
    Applicant: Tung Hing Plastic Manufactory Ltd.
    Inventor: Ka Chuen SZE
  • Patent number: D893888
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: August 25, 2020
    Inventor: Ka Chuen Sze
  • Patent number: D905906
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: December 22, 2020
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen Sze
  • Patent number: D913703
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: March 23, 2021
    Assignee: TUNG HING PLASTIC MANUFACTORY LTD.
    Inventor: Ka Chuen Sze
  • Patent number: D932198
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: October 5, 2021
    Assignee: TUNG HING PLASTIC MANUFACTORY LTD.
    Inventor: Ka Chuen Sze
  • Patent number: D957670
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: July 12, 2022
    Assignee: Tung Hing Plastic Manufactory Limited
    Inventor: Ka Chuen Sze