Patents by Inventor Wai Ching Andy Lau
Wai Ching Andy Lau 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).
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Patent number: 8888555Abstract: A method of manufacturing a breast cup of a brassiere may include the steps of providing a pad including a first edge portion and a second edge portion, providing a fabric cover including a third edge portion and a fourth edge portion, superimposing the first and third edge portions, connecting the superimposed first and third edge portions together, superimposing the second and fourth edge portions, connecting the superimposed second and fourth edge portions together, ultrasonically cutting and fusing the connected first and third edge portions to form a first line of fusion joining the pad and the fabric cover, ultrasonically cutting and fusing the connected second and fourth edge portions to form a second line of fusion joining the pad and the fabric cover, and turning the joined pad and fabric cover inside out along the first and second lines of fusion to form seamless edges.Type: GrantFiled: March 16, 2011Date of Patent: November 18, 2014Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Patent number: 8257141Abstract: A method of forming a hem of an elastic material includes laying a first stretch fabric sheet upon a second stretch fabric sheet, cutting an excess edge strip from the first stretch fabric sheet and the second stretch fabric sheet along a fuse line and simultaneously fusing the sheets together along the fuse line, positioning an elastic strip between the first and second sheets along the fuse line, and fusing the elastic strip to one of the sheets to form a hem.Type: GrantFiled: June 14, 2011Date of Patent: September 4, 2012Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Patent number: 8226453Abstract: A shoulder strap includes a first stretch fabric and a second stretch fabric, and a first rigid fabric sandwiched between the first stretch fabric and a second stretch fabric and adhered to the first stretch fabric. The rigid fabric is located at an intermediate position between opposite ends of the first stretch fabric and the second stretch fabric.Type: GrantFiled: August 15, 2007Date of Patent: July 24, 2012Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Patent number: 8114498Abstract: A method of making a bonded hem includes sandwiching a body member between a first adhesive film and a second adhesive film, placing a fabric sheet upon the first adhesive film and fusing the first adhesive film to bond onto the body member and the fabric sheet, flipping the fabric sheet to form a first fold line and a second fold line, and fusing the second adhesive film to bond onto the fabric sheet to form the bonded hem.Type: GrantFiled: February 12, 2010Date of Patent: February 14, 2012Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Publication number: 20110281499Abstract: A method of forming a hem of an elastic material includes laying a first stretch fabric sheet upon a second stretch fabric sheet, cutting an excess edge strip from the first stretch fabric sheet and the second stretch fabric sheet along a fuse line and simultaneously fusing the sheets together along the fuse line, positioning an elastic strip between the first and second sheets along the fuse line, and fusing the elastic strip to one of the sheets to form a hem.Type: ApplicationFiled: June 14, 2011Publication date: November 17, 2011Inventor: Wai Ching Andy LAU
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Publication number: 20110171881Abstract: A method of manufacturing a breast cup of a brassiere may include the steps of providing a pad including a first edge portion and a second edge portion, providing a fabric cover including a third edge portion and a fourth edge portion, superimposing the first and third edge portions, connecting the superimposed first and third edge portions together, superimposing the second and fourth edge portions, connecting the superimposed second and fourth edge portions together, ultrasonically cutting and fusing the connected first and third edge portions to form a first line of fusion joining the pad and the fabric cover, ultrasonically cutting and fusing the connected second and fourth edge portions to form a second line of fusion joining the pad and the fabric cover, and turning the joined pad and fabric cover inside out along the first and second lines of fusion to form seamless edges.Type: ApplicationFiled: March 16, 2011Publication date: July 14, 2011Inventor: Wai Ching Andy LAU
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Patent number: 7972455Abstract: A method of forming a hem of an elastic material includes laying a first stretch fabric sheet upon a second stretch fabric sheet, cutting an excess edge strip from the first stretch fabric sheet and the second stretch fabric sheet along a fuse line and simultaneously fusing the sheets together along the fuse line, positioning an elastic strip between the first and second sheets along the fuse line, and fusing the elastic strip to one of the sheets to form a hem.Type: GrantFiled: September 25, 2007Date of Patent: July 5, 2011Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Patent number: 7927441Abstract: A method of manufacturing a breast cup of a brassiere may include the steps of providing a pad including a first edge portion and a second edge portion, providing a fabric cover including a third edge portion and a fourth edge portion, superimposing the first and third edge portions, connecting the superimposed first and third edge portions together, superimposing the second and fourth edge portions, connecting the superimposed second and fourth edge portions together, ultrasonically cutting and fusing the connected first and third edge portions to form a first line of fusion joining the pad and the fabric cover, ultrasonically cutting and fusing the connected second and fourth edge portions to form a second line of fusion joining the pad and the fabric cover, and turning the joined pad and fabric cover inside out along the first and second lines of fusion to form seamless edges.Type: GrantFiled: June 4, 2007Date of Patent: April 19, 2011Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Publication number: 20100143688Abstract: A method of making a bonded hem includes sandwiching a body member between a first adhesive film and a second adhesive film, placing a fabric sheet upon the first adhesive film and fusing the first adhesive film to bond onto the body member and the fabric sheet, flipping the fabric sheet to form a first fold line and a second fold line, and fusing the second adhesive film to bond onto the fabric sheet to form the bonded hem.Type: ApplicationFiled: February 12, 2010Publication date: June 10, 2010Inventor: Wai Ching Andy Lau
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Patent number: 7678220Abstract: A method of making a bonded hem includes sandwiching a body member between a first adhesive film and a second adhesive film, placing a fabric sheet upon the first adhesive film and fusing the first adhesive film to bond onto the body member and the fabric sheet, flipping the fabric sheet to form a first fold line and a second fold line, and fusing the second adhesive film to bond onto the fabric sheet to form the bonded hem.Type: GrantFiled: September 13, 2007Date of Patent: March 16, 2010Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Patent number: 7640879Abstract: A fabric-processing device includes a body, a presser foot attached to the body, and a heater attached to the presser foot. The heater is in a heat-exchange relationship with the presser foot.Type: GrantFiled: September 28, 2007Date of Patent: January 5, 2010Assignee: Clover Group International LimitedInventor: Wai Ching Andy Lau
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Publication number: 20080081166Abstract: A method of forming a hem of an elastic material includes laying a first stretch fabric sheet upon a second stretch fabric sheet, cutting an excess edge strip from the first stretch fabric sheet and the second stretch fabric sheet along a fuse line and simultaneously fusing the sheets together along the fuse line, positioning an elastic strip between the first and second sheets along the fuse line, and fusing the elastic strip to one of the sheets to form a hem.Type: ApplicationFiled: September 25, 2007Publication date: April 3, 2008Inventor: Wai Ching Andy Lau
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Publication number: 20080078314Abstract: A fabric-processing device includes a body, a presser foot attached to the body, and a heater attached to the presser foot. The heater is in a heat-exchange relationship with the presser foot.Type: ApplicationFiled: September 28, 2007Publication date: April 3, 2008Inventor: Wai Ching Andy Lau
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Publication number: 20080081168Abstract: A method of making a bonded hem includes sandwiching a body member between a first adhesive film and a second adhesive film, placing a fabric sheet upon the first adhesive film and fusing the first adhesive film to bond onto the body member and the fabric sheet, flipping the fabric sheet to form a first fold line and a second fold line, and fusing the second adhesive film to bond onto the fabric sheet to form the bonded hem.Type: ApplicationFiled: September 13, 2007Publication date: April 3, 2008Inventor: Wai Ching Andy Lau
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Publication number: 20080060745Abstract: A shoulder strap includes a first stretch fabric and a second stretch fabric, and a first rigid fabric sandwiched between the first stretch fabric and a second stretch fabric and adhered to the first stretch fabric. The rigid fabric is located at an intermediate position between opposite ends of the first stretch fabric and the second stretch fabric.Type: ApplicationFiled: August 15, 2007Publication date: March 13, 2008Inventor: Wai Ching Andy Lau