Patents Assigned to Xiamen Lota International Co., Ltd.
  • Patent number: 8580191
    Abstract: The present invention relates to a brass alloy having superior stress corrosion comprising: 59.0-64.0 wt % Cu, 0.6-1.2 wt % Fe, 0.6-1.0 wt % Mn, 0.4-1.0 wt % Bi, 0.6-1.4 wt % Sn, at least one element selected from Al, Cr and B, the balance being Zn and unavoidable impurities, wherein the content of Al is 0.1-0.8 wt %, the content of Cr is 0.01-0.1 wt %, the content of B is 0.001-0.02 wt %. The alloy according to the present invention does not contain toxic elements such as lead and antimony, has superior corrosion resistance and good cuttingability and is suitable for the accessories in the potable water supply systems produced by casting, forging and extruding.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: November 12, 2013
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Patent number: 8568656
    Abstract: The present invention provides an environment-friendly manganese brass alloy, which comprises 55˜65 wt % of Cu, 1.0˜6.5 wt % of Mn, 0.2˜3.0 wt % of Al, 0˜3.0 wt % of Fe, 0.3˜2.0 wt % of Sn, 0.01˜0.3 wt % of Mg, 0˜0.3 wt % of Bi and/or 0˜0.2 wt % of Pb, the balance being Zn and unavoidable impurities. The alloys not only have superior mechanical properties, castability, cutability and corrosion resistance, especially stress corrosion resistance properties, but also have the advantages of low manufacturing costs and simple manufacturing process etc, which is suitable for making components through forging, casting, cutting and other manufacturing methods, especially suitable for making water tap bodies and valves through forging, casting and cutting processes.
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: October 29, 2013
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Zhenqing Hu, Chuankai Xu, Qing Lv, Nianrun Zhou, Jia Long, Siqi Zhang
  • Publication number: 20130192686
    Abstract: The invention provides a fluid delivery assembly for use with a water discharge fixture, such as a faucet. The fluid delivery assembly includes a tube assembly, a housing and a retaining assembly. The fluid delivery assembly provides for water flow from hot and cold water inlets to the faucet. The fluid delivery assembly may be assembled by hand without the need for tools, allowing for easy replacement of the fluid delivery assembly without the need to disassemble the faucet assembly, or to replace the entire faucet assembly.
    Type: Application
    Filed: January 14, 2013
    Publication date: August 1, 2013
    Applicant: Xiamen Lota International Co., Ltd.
    Inventor: Xiamen Lota International Co., Ltd.
  • Publication number: 20130186478
    Abstract: The invention provides a fluid delivery assembly for use with a water discharge fixture, such as a faucet. The fluid delivery assembly includes a tube assembly, a cartridge housing and a retaining assembly. The fluid delivery assembly provides for water flow from hot and cold water inlets to the faucet. The fluid delivery assembly may be assembled by hand without the need for tools, allowing for easy replacement of the fluid delivery assembly without the need to disassemble the faucet assembly or to replace the entire faucet assembly.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 25, 2013
    Applicant: XIAMEN LOTA INTERNATIONAL CO., LTD.
    Inventor: XIAMEN LOTA INTERNATIONAL CO., LTD.
  • Publication number: 20130186479
    Abstract: The invention provides a fluid delivery assembly for use with a water discharge fixture, such as a faucet. The fluid delivery assembly includes a tube assembly, a housing and a retaining assembly. The fluid delivery assembly provides for water flow from hot and cold water inlets to the faucet. The fluid delivery assembly may be assembled by hand without the need for tools, allowing for easy replacement of the fluid delivery assembly, without the need to disassemble the faucet assembly or to replace the entire faucet assembly.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 25, 2013
    Applicant: XIAMEN LOTA INTERNATIONAL CO., LTD.
    Inventor: XIAMEN LOTA INTERNATIONAL CO., LTD.
  • Patent number: 8425697
    Abstract: A tin-free lead-free free-cutting magnesium brass alloy contains 56.0 to 64.0 wt % Cu, 1.05 to about 2.1 wt % Mg, 0.21 to 0.4 wt % P and other elements 0.002 to 0.9 wt % which contain at least two elements selected from Al, Si, Sb, rare earth elements, Ti and B and the balance being Zn with unavoidable impurities, accordingly a cutting percentage of the alloy is at least 80%. The process for producing such alloy is also proposed. The invented alloy is excellent in cuttability, castability, hot and cold workability, corrosion resistance, mechanical properties and weldability and particularly applicable in spare parts, forging and casting which need cutting and grinding process. The cost of necessary metal materials of the invented alloy is lower than lead-free free-cutting bismuth and antimony brass alloy and is equivalent to lead-contained brass alloy.
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: April 23, 2013
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Patent number: 8327882
    Abstract: The invention provides a water faucet including a novel joystick mixing cartridge with internal structures that provide a direct path for water to be discharged from the faucet. The faucet includes a main body portion, a discharge segment and a handle that an operator actuates to deliver water at a desired temperature through the discharge segment. The cartridge includes a housing defining an internal chamber and a lower disk positioned within the chamber. The lower disk has a cold water inlet, a hot water inlet and a mixed water outlet. An intermediate disk is positioned adjacent the lower disk and includes a recessed mixing cavity extending inward from a lowermost wall. The intermediate disk includes a dual lobe sealing element that extends radially inward from the lowermost wall to provide the mixing cavity with an arcuate configuration. An upper disk is positioned adjacent the intermediate disk and a seat is positioned adjacent the upper disk within the chamber.
    Type: Grant
    Filed: November 15, 2007
    Date of Patent: December 11, 2012
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Keping Li, Xinlu Lan, Feng Zou
  • Patent number: 8273193
    Abstract: The present invention supplies a lead-free, bismuth-free free-cutting silicon brass alloy with high zinc which preferably comprises 35.0 to 42.0 wt % Zn, 0.1 to 1.5 wt % Si, 0.03 to 0.3 wt % Al, 0.01 to 0.36 wt % P, 0.01 to 0.1 wt % Ti, 0.001 to 0.05 wt % rare earth metals selected from the group consisting of La and Ce, 0.05 to 0.5 wt % Sn, and/or 0.05 to 0.2 wt % Ni, and the balance being Cu and unavoidable impurities. In yet another embodiment, the alloy may be boron-free. The invented alloy is excellent in castability, weldability, cuttability, electroplating properties, corrosion resistance, mechanical properties. The alloy is especially applicable in castings which need cutting and welding under low pressure die casting, such as castings for faucet bodies in the water supply system. The alloy is also suitable for use in components which are produced from casting ingots by die forging.
    Type: Grant
    Filed: January 4, 2010
    Date of Patent: September 25, 2012
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Chankai Xu, Zhenqing Hu, Siqi Zhang
  • Patent number: 8273192
    Abstract: The present invention relates to a lead-free, bismuth-free free-cutting phosphorous brass alloy and its method of manufacture. The alloy comprises: Cu; Zn; 0.59 to 1.6 wt % P; and other elements in the amount of 0.005 to 0.6 wt %, which comprise at least two elements selected from the group consisting of Al, Si, Sb, Sn, Rare earth element (RE), Ti and B, and the balance being unavoidable impurities. The phosphorous brass alloy contains a combined wt % of Cu and Zn of between 97.0 wt % and 99.5 wt %, within which the content of Zn is above 40 wt %. Considering the solid solubility of P in the matrix of copper will be decreased rapidly with the temperature decrease and form the brittle intermetallic compounds Cu3P with Cu, the present invention relies upon P to ensure excellent cuttability of the invented alloy. The invented alloy is reasonably priced, and has excellent cuttability, castability, hot and cold workability, dezincification corrosion resistance, mechanical properties and weldability.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: September 25, 2012
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Patent number: 8181886
    Abstract: The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity.
    Type: Grant
    Filed: February 4, 2011
    Date of Patent: May 22, 2012
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Keping Li, Jusheng Xiong
  • Publication number: 20110127339
    Abstract: The invention provides a thermostatic mixing valve for use within a water discharge fixture. The mixing valve comprises a cover defining an interior region, a stationary lower disk residing within the interior region, and a moveable upper disk. The lower and upper disks each have a central opening and at least one peripheral groove, wherein the grooves are alignable to form a peripheral water outlet. The mixing valve also includes a spindle assembly extending through the cover region and operably connected to the upper disk to enable alignment of the grooves and formation of the water outlet. A pressure relief cavity is formed between the spindle assembly and the cover, and wherein water flows through an opening in the spindle assembly and into the relief cavity.
    Type: Application
    Filed: February 4, 2011
    Publication date: June 2, 2011
    Applicant: XIAMEN LOTA INTERNATIONAL CO., LTD.
    Inventors: Keping Li, Jusheng Xiong
  • Publication number: 20110104000
    Abstract: The present invention supplies a lead-free, bismuth-free free-cutting silicon brass alloy with high zinc which preferably comprises 35.0 to 42.0 wt % Zn, 0.1 to 1.5 wt % Si, 0.03 to 0.3 wt % Al, 0.01 to 0.36 wt % P, 0.01 to 0.1 wt % Ti, 0.001 to 0.05 wt % rare earth metals selected from the group consisting of La and Ce, 0.05 to 0.5 wt % Sn, and/or 0.05 to 0.2 wt % Ni, and the balance being Cu and unavoidable impurities. In yet another embodiment, the alloy may be boron-free. The invented alloy is excellent in castability, weldability, cuttability, electroplating properties, corrosion resistance, mechanical properties. The alloy is especially applicable in castings which need cutting and welding under low pressure die casting, such as castings for faucet bodies in the water supply system. The alloy is also suitable for use in components which are produced from casting ingots by die forging.
    Type: Application
    Filed: January 4, 2010
    Publication date: May 5, 2011
    Applicant: XIAMEN LOTA INTERNATIONAL CO., LTD.
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Publication number: 20110061753
    Abstract: The inventive valve seat for a faucet includes a one-piece plastic valve seat body, a metal cover and a flange. The metal cover is set outside the valve seat body and is fixed to the valve seat body by the flange. The valve seat is environmentally friendly, and of light weight and low materials cost. Since the metal cover has high strength and is combined with a plastic valve seat body, it can bear the substantial forces imposed upon the valve seat.
    Type: Application
    Filed: January 5, 2010
    Publication date: March 17, 2011
    Applicant: Xiamen Lota International Co., Ltd.
    Inventors: Liming Ye, Bentai Chen
  • Patent number: 7882578
    Abstract: A pop-up valve, comprising an internally threaded screw nut, and positioned in a circumjacent manner around a cylindrical waste drain pipe. A complementary, externally threaded screw bolt, is threadably engageable with the screw nut, and also circumjacent the cylindrical waste drain pipe. A seal element is positioned on the screw nut, and is vertically movable towards the bottom of a sink, as a result of corresponding vertical movement of the screw bolt.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: February 8, 2011
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Keping Li, Pingsheng Yao
  • Patent number: 7850088
    Abstract: The present invention is directed to a thermostatic water mixing valve having a sub-base coupled to a base, both having a hot water inlet, a cold water inlet and a mixed water outlet. A disk assembly including a lower or stationary disk and an upper or rotatable disk are positioned on the base. The lower disk also has a peripheral notch that receives an extent of an engaging member that extends from a sidewall of the base, while the upper disk has a peripheral cavity that also receives an extent of the engaging member. A cap is coupled to the upper disk, wherein the cap and the upper disk rotate as a unit with respect to the lower disk. The cap has a hot water cavity and cold water cavity positioned about a central opening. A cartridge assembly includes a collar with at least one aperture aligned with the cold water cavity of the cap and a depending skirt with at least one aperture aligned with the hot water cavity of the cap.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: December 14, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Wu Wei, Keping Li
  • Patent number: 7776163
    Abstract: The present invention provides a lead-free free-cutting aluminum brass alloy and its manufacturing method. The alloy comprises: 57.0˜63.0 wt % Cu, 0.3˜0.7 wt % Al, 0.1˜0.5 wt % Bi, 0.2˜0.4 wt % Sn, 0.1˜0.5 wt % Si, 0.01˜0.15 wt % P, at least two elements selected from the group of 0.01-0.15 wt % Mg, 0.0016-0.0020 wt % B, and 0.001-0.05 wt % rare earth elements and the balance being Zn and unavoidable impurities. The inventive alloy has excellent castability, weldability, cuttability and corrosion resistance. It is suitable for low pressure die casting, gravity casting, horizontal continuous casting, forging and extrusion. Its metal material cost is lower than bismuth brass. It is particularly applicable for components used in drinking water supply systems and other structural components. It is a new environmentally-friendly free-cutting aluminum brass alloy.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: August 17, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventors: Chuankai Xu, Zhenqing Hu, Siqi Zhang
  • Patent number: 7762479
    Abstract: The invention provides an adjustable showerhead that provides a variety of distinct discharge water patterns. The showerhead features a ceramic disk assembly that provide long-life and reliable operation to the showerhead. The showerhead includes a wand having a receiver with a discharge outlet and a depending lug. The disk assembly includes an upper ceramic disk fixedly positioned within the receiver, and has a curvilinear groove and a water inlet hole that receives water from the wand's discharge outlet. A lower ceramic disk is movably positioned within the receiver against the upper disk, and has a plurality of outlet holes arrayed along the periphery. A bushing resides within a central opening of the lower disk and operably connects the lower disk to the receiver. An outlet assembly is operably connected to the lower disk, and includes an inner faceplate with a plurality of discharge outlets, and an outer faceplate with a plurality of discharge outlets.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: July 27, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhiyong Li
  • Patent number: D621002
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: August 3, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan
  • Patent number: D622812
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: August 31, 2010
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan
  • Patent number: D639391
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: June 7, 2011
    Assignee: Xiamen Lota International Co., Ltd.
    Inventor: Zhou Yongyan