Patents by Inventor Kun-Chung Liu

Kun-Chung Liu 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: 20150089752
    Abstract: A method for producing a seamless shoe upper includes the following steps of: providing a covering piece, a lining piece, and first and second screen-printing jigs having first and second screen portions respectively; surface treating the covering piece using a first treating agent through the first screen portion and the lining piece using a second treating agent through the second screen portion; distributing an adhesive onto the covering piece and the lining piece respectively through the first and second screen portions, so as to form first and second adhesive layers thereon; and bonding the covering piece with the lining piece by overlapping and pressing the first and second adhesive layers together.
    Type: Application
    Filed: July 7, 2014
    Publication date: April 2, 2015
    Inventor: Kun-Chung LIU
  • Publication number: 20110302752
    Abstract: A fastener includes a pull unit having first and second pull-lace portions, and an intermediate part connected between the pull-lace portions. A tightening unit includes first and second lace holders connected pivotally to each other, and two clamps connected slidably and respectively to the lace holders. The first lace holder has two first rod sections, two hook-connecting rings, and two first pull-lace connectors connected to the first pull-lace portion. The second lace holder has two second rod sections, two hook portions extending respectively through the hook-connecting rings and fixed to the intermediate part, and two second pull-lace connectors connected to the second pull-lace portion. Each clamp has two ends attached slidably to the respective first or second rod sections such that each clamp divides a space between the first or second rod sections into a lace entry hole and a lace exit hole.
    Type: Application
    Filed: January 6, 2011
    Publication date: December 15, 2011
    Inventor: KUN-CHUNG LIU
  • Publication number: 20100313386
    Abstract: A lace adjuster includes a longitudinal flexible hollow wall and an adjusting unit. The hollow wall defines a longitudinal passage with longitudinally opposite first and second open ends, and has two through holes that extend therethrough between the first and second open ends. The adjusting unit is disposed in the longitudinal passage, and includes a longitudinal ring body that defines a ring opening and that has two abutting ring sections on two longitudinally opposite sides of the ring opening, and two clamp pieces extending across and dividing the ring opening into a first stringing hole and two second stringing holes. Each of the clamp pieces is movable toward a corresponding one of the abutting ring sections for clamping a corresponding one of two separate lace segments that extends through a corresponding one of the second stringing holes.
    Type: Application
    Filed: December 4, 2009
    Publication date: December 16, 2010
    Inventor: Kun-Chung Liu
  • Publication number: 20100306977
    Abstract: A lace adjuster includes a longitudinal hollow body and two stop members. The hollow body defines a longitudinal passage, and has longitudinally opposite first and second ends, and an operating opening disposed between the first and second ends and communicated with the longitudinal passage. The longitudinal passage has first and second openings at the first and second ends, respectively. The stop members are pivotally and transversely mounted in the longitudinal passage and are respectively proximate to the first and second openings of the longitudinal passage. Each of the stop members has a lace-engaging portion, and a handle portion connected to the lace-engaging portion, and is operable so as to adjust the lengths of lace segments.
    Type: Application
    Filed: December 4, 2009
    Publication date: December 9, 2010
    Inventor: Kun-Chung Liu
  • Publication number: 20100236033
    Abstract: A lace adjuster includes a tubular member, a stop anchor, and a separating member. The tubular member includes a surrounding wall which has two open ends and an inner surface bounding a through hole that has an axis. The stop anchor includes a fixing portion fixed on a part of the inner surface, and an inclining portion extending inclinedly from the fixing portion toward the axis and having a sharp free end portion proximate to the axis. The separating member extends axially through the through hole and said open ends, and is adapted to partition off the stop anchor from the lace moving past the stop anchor. The separating member is removable from the tubular member to permit the stop anchor to engage the lace after a desired length of the lace has moved past the stop anchor.
    Type: Application
    Filed: March 20, 2009
    Publication date: September 23, 2010
    Inventor: Kun-Chung Liu
  • Publication number: 20100173124
    Abstract: An exercise mat includes: a core layer including upper and lower opposite surfaces; and upper and lower layers being respectively heat-pressed on the upper and lower opposite surfaces of the core layer. The upper and lower layers are independently made of a foamed material, and have a plurality of holes that are formed therethrough and that extend to the respective one of the upper and lower opposite surfaces of the core layer. The core layer is an elastomer that is thermally compatible with the upper and lower layers, and that has a higher density than those of the foamed material of the upper and lower layers. A method for manufacturing an exercise mat is also disclosed.
    Type: Application
    Filed: January 8, 2009
    Publication date: July 8, 2010
    Inventor: Kun-Chung LIU
  • Patent number: 7681289
    Abstract: A fastener for fastening together two lace segments includes a base, a pull unit, and two clamp units. The base has an intermediate portion, and two openings disposed on two opposite sides of the intermediate portion. Each of the openings is adapted to permit one of the lace segments to extend therethrough. The pull unit includes a middle portion fixed to the base, and two opposite pull members extending outwardly from the middle portion. The clamp units are respectively connected to the pull members and are disposed above the openings. Each of the clamp units defines a through hole adapted to permit one of the lace segments to extend therethrough. The clamp units are movable toward the openings to effect clamping and are movable away from the openings when the pull members are pulled away from the base.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: March 23, 2010
    Inventor: Kun-Chung Liu
  • Patent number: 7657980
    Abstract: A fastener for a lace includes a metal base, two clamp assemblies, a pull unit, and an anchoring member. Each of the clamp assemblies includes a substantially U-shaped member which has two opposite arms pivotally connected to the metal base, a U-bend connected to the arms opposite to the metal base, and a clamp member connected between and transverse to the arms. The pull unit includes a middle portion disposed over the metal base, and two opposite pull members extending from the middle portion and connected respectively to the U-shaped members. The anchoring member is made of metal, and has a press part pressing the middle portion of the pull unit against the metal base, and a plurality of anchoring legs extending from the press part, penetrating the middle portion of the pull unit, and welded to the metal base.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: February 9, 2010
    Inventor: Kun-Chung Liu
  • Publication number: 20090193634
    Abstract: A fastener for a shoelace includes a longitudinal shoelace clamp and a longitudinal pull unit. The shoelace clamp includes a base and two clamp rings extending longitudinally and oppositely from two sides of the base. Each of the clamp rings has a ring opening and a clamp piece extending across the ring opening. The pull unit includes a middle portion disposed over the base, two opposite pull members extending oppositely from the middle portion and disposed respectively over the clamp rings, and a joining unit. The joining unit includes a plurality of string members fixed to the pull unit and extending oppositely from the middle portion to the pull members along a longitudinal direction of the pull unit. The string members have fixed sections embedded within the middle portion and the pull members, and string rings exposed from the pull members and connected to the shoelace clamp.
    Type: Application
    Filed: July 8, 2008
    Publication date: August 6, 2009
    Inventor: Kun-Chung Liu
  • Publication number: 20080250617
    Abstract: A fastener for fastening together two lace segments includes a base, a pull unit, and two clamp units. The base has an intermediate portion, and two openings disposed on two opposite sides of the intermediate portion. Each of the openings is adapted to permit one of the lace segments to extend therethrough. The pull unit includes a middle portion fixed to the base, and two opposite pull members extending outwardly from the middle portion. The clamp units are respectively connected to the pull members and are disposed above the openings. Each of the clamp units defines a through hole adapted to permit one of the lace segments to extend therethrough. The clamp units are movable toward the openings to effect clamping and are movable away from the openings when the pull members are pulled away from the base.
    Type: Application
    Filed: April 11, 2007
    Publication date: October 16, 2008
    Inventor: Kun-Chung LIU
  • Publication number: 20080178441
    Abstract: A fastener for a lace includes a metal base, two clamp assemblies, a pull unit, and an anchoring member. Each of the clamp assemblies includes a substantially U-shaped member which has two opposite arms pivotally connected to the metal base, a U-bend connected to the arms opposite to the metal base, and a clamp member connected between and transverse to the arms. The pull unit includes a middle portion disposed over the metal base, and two opposite pull members extending from the middle portion and connected respectively to the U-shaped members. The anchoring member is made of metal, and has a press part pressing the middle portion of the pull unit against the metal base, and a plurality of anchoring legs extending from the press part, penetrating the middle portion of the pull unit, and welded to the metal base.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 31, 2008
    Inventor: Kun-Chung Liu
  • Publication number: 20080066273
    Abstract: An adjustable lace assembly includes a lace, a tubular member, two stop members, and two spaced apart inserting pins. The lace is composed of two separate lace segments each having a tagged end and an opposite bent end portion. The tubular member has a passage for receiving the bent end portions. The stop members are mounted pivotally inside the tubular member at two axially spaced apart positions and span the passage. Each of the stop members has an engaging part engageable with one of the bent end portions. The inserting pins are insertable removably into the tubular member, are capable of disengaging the bent end portions, respectively, from the engaging parts of the stop members, and permit movement of the bent end portions so that a length between the tagged end of each of the lace segments and a corresponding one of the stop members can be adjusted.
    Type: Application
    Filed: September 18, 2006
    Publication date: March 20, 2008
    Inventor: Kun-Chung Liu
  • Patent number: 7343652
    Abstract: An adjustable lace assembly includes a lace, a tubular member, two stop members, and two spaced apart inserting pins. The lace is composed of two separate lace segments each having a tagged end and an opposite bent end portion. The tubular member has a passage for receiving the bent end portions. The stop members are mounted pivotally inside the tubular member at two axially spaced apart positions and span the passage. Each of the stop members has an engaging part engageable with one of the bent end portions. The inserting pins are insertable removably into the tubular member, are capable of disengaging the bent end portions, respectively, from the engaging parts of the stop members, and permit movement of the bent end portions so that a length between the tagged end of each of the lace segments and a corresponding one of the stop members can be adjusted.
    Type: Grant
    Filed: September 18, 2006
    Date of Patent: March 18, 2008
    Inventor: Kun-Chung Liu
  • Patent number: 7313849
    Abstract: A fastener for a lace includes a fastening body and a pull unit. The fastening body includes a base, and at least one clamp assembly having a substantially U-shaped member which have two pivoting ends pivotally connected to the base to define an opening with the base, and a clamp member which is attached slidably to the U-shaped member and which extends across the opening to divide the opening into a first aperture proximate to the base and a second aperture distal from the base. The U-shaped member has a U-bend cooperating with the clamp member to confine the second aperture. The clamp member is slidable along the U-shaped member between a clamping position and a releasing position. The pull unit is connected to the U-shaped member.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: January 1, 2008
    Inventor: Kun-Chung Liu
  • Publication number: 20060200953
    Abstract: A fastener for a lace includes a fastening body and a pull unit. The fastening body includes a base, and at least one clamp assembly having a substantially U-shaped member which have two pivoting ends pivotally connected to the base to define an opening with the base, and a clamp member which is attached slidably to the U-shaped member and which extends across the opening to divide the opening into a first aperture proximate to the base and a second aperture distal from the base. The U-shaped member has a U-bend cooperating with the clamp member to confine the second aperture. The clamp member is slidable along the U-shaped member between a clamping position and a releasing position. The pull unit is connected to the U-shaped member.
    Type: Application
    Filed: August 24, 2005
    Publication date: September 14, 2006
    Inventor: Kun-Chung Liu
  • Patent number: 7052634
    Abstract: A method for making a foam sheet having ventilation holes includes the steps of: (a) preparing first and second molds, each including lower and upper mold parts separably closed to each other so as to define first and second mold cavities for the first and second molds, respectively, and providing the second mold with a plurality of pins extending into the second mold cavity, the second mold cavity being larger than the first mold cavity; (b) placing a foamable blank into the first mold cavity; (c) foaming the blank in the first mold cavity; (d) placing the blank foamed in step (c) into the second mold cavity, and piercing the blank through the use of the pins; and (e) foaming the blank to form a foam product within the second mold cavity while being pierced by the pins.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: May 30, 2006
    Inventor: Kun-Chung Liu
  • Patent number: 7036193
    Abstract: A shoe tightening device is provided for use with a shoe that includes a pair of eyelet tabs each having eyelets. The shoe tightening device includes a pair of lace units, a clamp unit, and a pull lace. Each of the lace units includes connecting end portions, operating end portions, intermediate portions, and anchoring elements adapted to be anchored removably on the eyelet tabs at corresponding ones of the eyelets. The clamp unit removably clamps at least one of the lace units, and includes at least one flexible string section, and at least one clamp member. The clamp member is slidable along the flexible string section between a clamping position and a releasing position. The pull lace is connected to the flexible string section for pulling the flexible string section so that the clamp member can slide along the flexible string section to the releasing position.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: May 2, 2006
    Inventor: Kun-Chung Liu
  • Publication number: 20060076107
    Abstract: A method for preparing a logo label includes the steps of: (a) preparing a fabric substrate; (b) forming a curable thermosetting resin layer that contains a curing agent on the fabric substrate; (c) pre-curing the curable thermosetting resin layer to an extent that only a portion of the curing agent undergoes a cross-linking reaction and that the curable thermosetting resin layer forms a cured barrier integral with the fabric substrate; (d) attaching a logo pattern unit including a curable thermosetting resin to the curable thermosetting resin layer; and (e) heating the curable thermosetting resin layer and the logo pattern unit to cause the remainder of the curing agent to undergo a cross-linking reaction with the curable thermosetting resin of the logo pattern unit.
    Type: Application
    Filed: October 12, 2004
    Publication date: April 13, 2006
    Inventor: Kun-Chung Liu
  • Publication number: 20060065360
    Abstract: A method for fixing a logo label to an upper of an article of footwear is provided. The upper has a protective skin formed thereon. The method includes the steps of: (a) forming a cavity in the protective skin of the upper by using a laser beam; (b) filling the cavity in the protective skin with an adhesive; and (c) adhering the logo label to the upper through the adhesive in the cavity in the protective skin.
    Type: Application
    Filed: September 29, 2004
    Publication date: March 30, 2006
    Inventor: Kun-Chung Liu
  • Patent number: 6938307
    Abstract: A shoelace fastener for a shoe includes a clamp unit and a pull lace. The clamp unit includes at least one generally U-shaped flexible string section defining an opening, and at least one clamp member attached slidably to and extending across the flexible string section to divide the opening into a first aperture and a second aperture. The flexible string section has a U-bend cooperating with the clamp member to confine the second aperture. The clamp member is slidable along the flexible string section between a clamping position in which the clamp member moves toward the U-bend, and a releasing position in which the clamp member moves away from the U-bend. The pull lace is connected to the flexible string section for pulling the flexible string section so that the clamp member slides along the flexible string section to the releasing position.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: September 6, 2005
    Inventor: Kun-Chung Liu