US3882667A - Method of making a composite yarn - Google Patents
Method of making a composite yarn Download PDFInfo
- Publication number
- US3882667A US3882667A US337937A US33793773A US3882667A US 3882667 A US3882667 A US 3882667A US 337937 A US337937 A US 337937A US 33793773 A US33793773 A US 33793773A US 3882667 A US3882667 A US 3882667A
- Authority
- US
- United States
- Prior art keywords
- yarn
- metallic
- fibers
- composite
- blended
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
- D02G3/404—Yarns or threads coated with polymeric solutions
- D02G3/406—Yarns or threads coated with polymeric solutions where the polymeric solution is removable at a later stage, e.g. by washing
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/12—Threads containing metallic filaments or strips
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S57/00—Textiles: spinning, twisting, and twining
- Y10S57/901—Antistatic
Definitions
- ABSTRACT A composite textile yarn having anti-static characteristics formed of non-metallic yarn and a blended yarn plied with the non-metallic yarn, the blended yarn being formed of metallic and non-metallic staple fibers with the metallic fibers being distributed in the blended yarn so as to be capable of dissipating static electricity while being incapable of maintaining an electric current flow continuously therethrough.
- This invention relates to textile materials and in particular to anti-static textile materials.
- the present invention comprehends an improved textile material eliminating the disadvantages of the above discussed conventional textile materials in a novel simple manner.
- the invention comprehends a composite textile yarn including a non-metallic yarn portion and a blended yarn portion plied with the nonmetallic yarn portion.
- the blended yarn portion is formed of metallic and non-metallic staple fibers with the metallic fibers being distributed suitably to be incapable of maintaining an electric current flow therethrough.
- the metallic yarn includes metallic fibers having a rough non-machined unburnished outer surface to provide improved association between the metallic and non-metallic portions of the yarn.
- the invention comprises a composite textile yarn including a non-metallic yarn and a metallic yarn plied with the non-metallic yarn having such rough nonmachined unburnished metallic fibers.
- the non-metallic yarn may comprise a continuous monofilament, a spun yarn of staple fibers, etc.
- the composite yarn may include a plurality of either or both of the non-metallic or the blended yarn.
- the metal fibers in the blended yarn preferably are present in a weight ratio of less than 20 percent.
- the composite yarn may be formed to be relatively loose as by removing sacrificial portions of the yarn upon completion of the plying thereof.
- the entire non-metallic portion of the blended yarn may comprise a sacrificial material so that the final composite may comprise solely a non-metallic yarn and metallie fibers.
- the blended yarn may have a tensile strength substantially that of the non-metallic yarn.
- FIG. 1 is a schematic illustration of a composite textile yarn embodying the invention
- FIG. 2 is a schematic illustration of a modified form of a composite textile yarn embodying the invention
- FIG. 3 is a schematic illustration of another modified form of a composite textile yarn embodying the invention.
- FIG. 4 is a schematic illustration of still another modified form of a composite textile yarn embodying the invention.
- FIG. 5 is a schematic illustration of yet another modified form of a composite textile yarn embodying the invention formed by removing portions of the yarn of FIG. 4.
- a composite textile yarn generally designated 10 is shown to comprise a plurality of continuous filaments 11 and a blended yarn l2 plied with filaments 11 to define the composite textile yarn.
- Blended yarn 12 is formed of metallic fibers 13 and non-metallic fibers 14.
- the fibers comprise staple length fibers which conventionally have a length of less than approximately 8 inches depending on the type of fiber.
- the amount of metallic fibers 13 in blended yarn 12 is preferably maintained sufficiently low as to preclude the capability of the yarn to pass a direct electrical current continuously therethrough while yet the fibers are present in sufficient quantities to permit dissipation of electrostatic charges rendering the composite yarn effectively an anti-static material.
- the metallic fibers may be present in the blended yarn in a weight ratio of less than approximately 20 percent.
- the continuous filament yarns 11 may be formed of any suitable non-metallic material. Illustratively, they may comprise cellulosic yarns such as acetate, rayon, triacetate, etc. yarns.
- the continuous filament yarns may be non-cellulosic such as fluorocarbon (Teflon), nylon, etc. yarns.
- the continuous filament yarns may be formed of olefins such as polypropylenes. They may comprise polyester yarns such as dacron yarns. They may be formed of saran plastic material. It will be obvious to those skilled in the art that any suitable continuous filament non-metallic yarn material may be used, the above examples being illustrative only.
- the blended yarn 12 may be formed of any suitable nonmetallic staple fiber formed of materials such as that of the above discussed non-metallic fibers for use as the continuous filament yarns.
- the blended yarn is preferably spun and twisted into the plied configuration. While the amount of twisting may be varied as desired, it has been found that where metal fibers comprising fibers having a diameter of under approximately 1 mil are employed, a standard producers twist may be utilized.
- the continuous filament yarns were comprised of nylon having a 1200 denier size and a blended yarn of stainless steel metallic fibers and nylon non-metallic fibers having a spun size of 1200 denier, with the metal fibers being present in a ratio of approximately /2 percent. While the percentage of metal fibers may vary as desired, it has been found that a ratio of below 3 percent is sufficient for most purposes in providing an anti-static characteristic in the textile yarn l0.
- yarn 10 is shown to include a pluralityof continuous filament yarns, as will be obvious to those skilled in the art, a composite yarn may be formed with one or more such nonmetallic yarns plied with the blended yarn and, while yarn 10 is shown with a single blended yarn, as will be obvious to those skilled in the art, any number of blended yarns may be plied with the non-metallic yarns within the scope of the invention.
- a modified form of composite textile yarn embodying the invention generally designated 110 is shown to comprise a yarn generally similar to yarn 10 but having a modified arrangement of the conductive fibers.
- the yarn comprises a plurality of composite blended yarns 115, which may be of a blended yarn 112 similar to blended yarn 12 of yarn 10, a non-metallic yarn 111 similar to the nonmetallic yarns 11 of yarn 10, and a metallic yarn 116.
- each of the composite blended yarns '115 comprises a composite which may be plied with other similar composites to form the final textile yarn 110.
- the metallic portions of blended yarn 112 and metallic yarn 116 may comprise staple fibers distributed in the textile yarn 110, as discussed above, relative to yarn 10 whereby the metal fibers are incapable of sustaining an electrical current continuously therethrough while yet providing the desired anti-static characteristics.
- a further modified form of composite textile yarn generally designated 210 is shown to comprise a yarn similar to yarn 10 wherein the conductive yarn portion 212 comprises a 100 percent spun metal fiber yarn or alternatively a 100 percent continuous filament yarn.
- the conductive yarn portion 212 comprises a 100 percent spun metal fiber yarn or alternatively a 100 percent continuous filament yarn.
- an electric current may be continuously carried by the electrically conductive portion 212.
- the metal fibers or filaments 213, of which portion 212 is formed are preferably formed by a process such as disclosed in Webber et a1 U.S. Pat. No. 3,277,564 whereby the fibers and/or filaments have a rough, non-machined, unburnished outer surface.
- Such metallic fibers provide an improved coaction with the non-metallic yarns211 of the composite yarn 210 in providing improved positive association with the non-conductive yarns as well as providing an improved integrity in the electrically conductive yarn 212. While reference may be had to said Webber et al patent for a more complete disclosure of a method of forming such rough, non-machined, unburnished outer surface fibers, for the purposes of the present invention the method comprises the multiple end drawingof the fibers in a suitable matrix whereby the outer surface of the resultant filaments is maintained unburnished in the drawing operation.
- FIGS. 4 and 5 further modified arrangements. Of the composite textile yarns are illustrated. Thus, in
- the composite textile yarn 310 is shown to comprise a plied arrangement of non-metallic yarns 311 and a spun yarn 312 formed of metal fibers3l3 and non-metal fibers. 314.
- the non-metal fibers 314 in yarn 310 are formed of a sacrificial material permitting them to be removed if desired andthereby form acomposite textile yarn such as yarn 410 shown in FIGS.
- the sacrificial yarn 314 may comprise a ater or chemically soluble .yarn such as polyvinyl alcohol; 1 a chemically soluble rayon,.etc.
- the metal fibers 413 which may comprise staple fibers are mechan- I ically trapped in the plied textile yarn 410 notwithstanding the removal of the non-conductive fibers of the blend, such as blend 312 of yarn 310'.
- non-conductive portion of the blend may merely comprise a carrier for the metallic fibers for facilitated ply ing thereof in forming the composite textile yarn 410.
- the plying of the components of the composite textile yarn may be arranged so that the spun yarn effec-"x tively contributes substantially nothing to the integrity of the yarn. but merely providesthe desired electro static dissipation characteristics. However, the twist in i the yarns and crimp in the fibers, both organic and metallic, provide a mechanismfor maintaining the struc-. turalyarn form.
- the blended yarn may:
- a method of making a composite textile yarn comaq prising the steps of:
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US337937A US3882667A (en) | 1970-03-13 | 1973-03-05 | Method of making a composite yarn |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1944270A | 1970-03-13 | 1970-03-13 | |
US337937A US3882667A (en) | 1970-03-13 | 1973-03-05 | Method of making a composite yarn |
Publications (1)
Publication Number | Publication Date |
---|---|
US3882667A true US3882667A (en) | 1975-05-13 |
Family
ID=26692225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US337937A Expired - Lifetime US3882667A (en) | 1970-03-13 | 1973-03-05 | Method of making a composite yarn |
Country Status (1)
Country | Link |
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US (1) | US3882667A (en) |
Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3986530A (en) * | 1974-07-02 | 1976-10-19 | Kuraray Co., Ltd. | Cloth having antistatic properties |
FR2401769A1 (en) * | 1977-09-06 | 1979-03-30 | Standard Oil Co | CONDUCTIVE SECONDARY BACK LAYERS AND VELVET MATS EQUIPPED WITH SUCH LAYERS |
US4519201A (en) * | 1982-09-08 | 1985-05-28 | Toon John J | Process for blending fibers and textiles obtained from the fiber blends |
US4606968A (en) * | 1983-07-25 | 1986-08-19 | Stern And Stern Textiles, Inc. | Electrostatic dissipating fabric |
US4776160A (en) * | 1987-05-08 | 1988-10-11 | Coats & Clark, Inc. | Conductive yarn |
US4793130A (en) * | 1986-06-20 | 1988-12-27 | Mitsubishi Rayon Co., Ltd. | Thin-metal-wire conjugated yarn |
US4813219A (en) * | 1987-05-08 | 1989-03-21 | Coats & Clark Inc. | Method and apparatus for making conductive yarn |
US5062161A (en) * | 1988-12-16 | 1991-11-05 | Golden Needles Knitting And Glove Co., Inc. | Method of making garment, garment and strand material |
US5103504A (en) * | 1989-02-15 | 1992-04-14 | Finex Handels-Gmbh | Textile fabric shielding electromagnetic radiation, and clothing made thereof |
EP0644283A1 (en) * | 1993-09-17 | 1995-03-22 | INDUSTRIE TESSILI AVIANESI - I.T.A. SpA | Method to produce a composite yarn consisting of textile threads and metallic wire, and composite yarn thus produced |
US5617713A (en) * | 1988-06-13 | 1997-04-08 | Nsp Sicherheits-Produkte Gmbh | Yarn having metallic fibers and an electromagnetic shield fabric made therefrom |
US5690014A (en) * | 1994-05-20 | 1997-11-25 | Larkin; William J. | Small diameter ionizing cord for removing static charge |
US6032450A (en) * | 1996-07-01 | 2000-03-07 | Spoerry & Co. Ag | Method for producing an electrically conductive yarn, the electrically conductive yarn and use of the electrically conductive yarn |
WO2000075406A1 (en) * | 1999-06-03 | 2000-12-14 | Solutia Inc. | Antistatic yarn, fabric, carpet and fiber blend formed from conductive or quasi-conductive staple fiber |
US6289939B1 (en) * | 2000-08-24 | 2001-09-18 | C. M. Offray & Son, Inc. | High conductivity launder resistant grounding tape |
US20030131635A1 (en) * | 2001-11-09 | 2003-07-17 | Justin Lynch | Sock |
KR20030071433A (en) * | 2002-02-27 | 2003-09-03 | 백은기 | Actual production method |
US20040086673A1 (en) * | 2000-10-25 | 2004-05-06 | Trevor Arthurs | Anti-static woven flexible bulk container |
US6750164B2 (en) * | 2000-05-15 | 2004-06-15 | William J. Larkin | Ionizing wiper |
US20060179812A1 (en) * | 2005-02-11 | 2006-08-17 | Clough Norman E | Fluoropolymer fiber composite bundle |
US20060182962A1 (en) * | 2005-02-11 | 2006-08-17 | Bucher Richard A | Fluoropolymer fiber composite bundle |
US20070062174A1 (en) * | 2005-09-02 | 2007-03-22 | Norman Clough | Wire rope incorporating fluoropolymer fiber |
US20070087149A1 (en) * | 2000-10-25 | 2007-04-19 | Trevor Arthurs | Anti-static woven flexible bulk container |
US20070283677A1 (en) * | 2006-06-12 | 2007-12-13 | Hiroshi Ohara | Diaphragm Structure |
US20080223016A1 (en) * | 2005-07-21 | 2008-09-18 | Walter Nuesch | High-Security Cable |
US20100064654A1 (en) * | 2005-07-21 | 2010-03-18 | Walter Nuesch | High-security cable |
US20100192758A1 (en) * | 2005-02-11 | 2010-08-05 | Norman Ernest Clough | Fluoropolymer Fiber Composite Bundle |
CN102477602A (en) * | 2010-11-23 | 2012-05-30 | 张志若 | Electric conduction yarn for manufacturing camouflage net and manufacturing method thereof |
US20150143855A1 (en) * | 2013-11-26 | 2015-05-28 | Nygard International Partnership | Pants |
US20160047069A1 (en) * | 2013-03-18 | 2016-02-18 | Continental Reifen Deutschland Gmbh | Hybrid cord consisting of at least two multifilament yarns twisted together |
WO2016084030A1 (en) * | 2014-11-26 | 2016-06-02 | Tubitak | A double-layer elastic fabric reflecting broad-spectrum electromagnetic wave and a production method thereof |
US10145036B1 (en) | 2016-05-04 | 2018-12-04 | Apple Inc. | Items with conductive yarn |
US10718067B1 (en) | 2016-08-31 | 2020-07-21 | Apple Inc. | Magnetic strands for fabric items |
US10829870B2 (en) | 2015-12-22 | 2020-11-10 | Inuheat Group Ab | Electrically conductive yarn and a product including the yarn |
US11577555B2 (en) * | 2016-07-15 | 2023-02-14 | Nv Bekaert Sa | Electrically conductive yarn |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2890567A (en) * | 1956-05-24 | 1959-06-16 | Burlington Industries Inc | Combination yarn |
-
1973
- 1973-03-05 US US337937A patent/US3882667A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2890567A (en) * | 1956-05-24 | 1959-06-16 | Burlington Industries Inc | Combination yarn |
Cited By (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3986530A (en) * | 1974-07-02 | 1976-10-19 | Kuraray Co., Ltd. | Cloth having antistatic properties |
FR2401769A1 (en) * | 1977-09-06 | 1979-03-30 | Standard Oil Co | CONDUCTIVE SECONDARY BACK LAYERS AND VELVET MATS EQUIPPED WITH SUCH LAYERS |
US4519201A (en) * | 1982-09-08 | 1985-05-28 | Toon John J | Process for blending fibers and textiles obtained from the fiber blends |
US4606968A (en) * | 1983-07-25 | 1986-08-19 | Stern And Stern Textiles, Inc. | Electrostatic dissipating fabric |
US4793130A (en) * | 1986-06-20 | 1988-12-27 | Mitsubishi Rayon Co., Ltd. | Thin-metal-wire conjugated yarn |
US4776160A (en) * | 1987-05-08 | 1988-10-11 | Coats & Clark, Inc. | Conductive yarn |
US4813219A (en) * | 1987-05-08 | 1989-03-21 | Coats & Clark Inc. | Method and apparatus for making conductive yarn |
US5617713A (en) * | 1988-06-13 | 1997-04-08 | Nsp Sicherheits-Produkte Gmbh | Yarn having metallic fibers and an electromagnetic shield fabric made therefrom |
US5062161A (en) * | 1988-12-16 | 1991-11-05 | Golden Needles Knitting And Glove Co., Inc. | Method of making garment, garment and strand material |
US5103504A (en) * | 1989-02-15 | 1992-04-14 | Finex Handels-Gmbh | Textile fabric shielding electromagnetic radiation, and clothing made thereof |
EP0644283A1 (en) * | 1993-09-17 | 1995-03-22 | INDUSTRIE TESSILI AVIANESI - I.T.A. SpA | Method to produce a composite yarn consisting of textile threads and metallic wire, and composite yarn thus produced |
US5690014A (en) * | 1994-05-20 | 1997-11-25 | Larkin; William J. | Small diameter ionizing cord for removing static charge |
US6032450A (en) * | 1996-07-01 | 2000-03-07 | Spoerry & Co. Ag | Method for producing an electrically conductive yarn, the electrically conductive yarn and use of the electrically conductive yarn |
WO2000075406A1 (en) * | 1999-06-03 | 2000-12-14 | Solutia Inc. | Antistatic yarn, fabric, carpet and fiber blend formed from conductive or quasi-conductive staple fiber |
US6750164B2 (en) * | 2000-05-15 | 2004-06-15 | William J. Larkin | Ionizing wiper |
US6289939B1 (en) * | 2000-08-24 | 2001-09-18 | C. M. Offray & Son, Inc. | High conductivity launder resistant grounding tape |
US7115311B2 (en) | 2000-10-25 | 2006-10-03 | Central Products Company | Anti-static woven flexible bulk container |
US20040086673A1 (en) * | 2000-10-25 | 2004-05-06 | Trevor Arthurs | Anti-static woven flexible bulk container |
US20070087149A1 (en) * | 2000-10-25 | 2007-04-19 | Trevor Arthurs | Anti-static woven flexible bulk container |
US20030131635A1 (en) * | 2001-11-09 | 2003-07-17 | Justin Lynch | Sock |
US20060010931A1 (en) * | 2001-11-09 | 2006-01-19 | Legend Care Ip Limited | Sock |
KR20030071433A (en) * | 2002-02-27 | 2003-09-03 | 백은기 | Actual production method |
US20100192758A1 (en) * | 2005-02-11 | 2010-08-05 | Norman Ernest Clough | Fluoropolymer Fiber Composite Bundle |
US20070079695A1 (en) * | 2005-02-11 | 2007-04-12 | Bucher Richard A | Fluoropolymer Fiber Composite Bundle |
US20060182962A1 (en) * | 2005-02-11 | 2006-08-17 | Bucher Richard A | Fluoropolymer fiber composite bundle |
US7296394B2 (en) | 2005-02-11 | 2007-11-20 | Gore Enterprise Holdings, Inc. | Fluoropolymer fiber composite bundle |
US10329698B2 (en) | 2005-02-11 | 2019-06-25 | W. L. Gore & Associates, Inc. | Fluoropolymer fiber composite bundle |
US9334587B2 (en) | 2005-02-11 | 2016-05-10 | W. L. Gore & Associates, Inc. | Fluoropolymer fiber composite bundle |
US20060179812A1 (en) * | 2005-02-11 | 2006-08-17 | Clough Norman E | Fluoropolymer fiber composite bundle |
US8256200B2 (en) | 2005-07-21 | 2012-09-04 | Cortex Humbelin Ag | High-security cable |
US20080223016A1 (en) * | 2005-07-21 | 2008-09-18 | Walter Nuesch | High-Security Cable |
US20100064654A1 (en) * | 2005-07-21 | 2010-03-18 | Walter Nuesch | High-security cable |
US7409815B2 (en) | 2005-09-02 | 2008-08-12 | Gore Enterprise Holdings, Inc. | Wire rope incorporating fluoropolymer fiber |
US20070062174A1 (en) * | 2005-09-02 | 2007-03-22 | Norman Clough | Wire rope incorporating fluoropolymer fiber |
US20070283677A1 (en) * | 2006-06-12 | 2007-12-13 | Hiroshi Ohara | Diaphragm Structure |
CN102477602A (en) * | 2010-11-23 | 2012-05-30 | 张志若 | Electric conduction yarn for manufacturing camouflage net and manufacturing method thereof |
US20160047069A1 (en) * | 2013-03-18 | 2016-02-18 | Continental Reifen Deutschland Gmbh | Hybrid cord consisting of at least two multifilament yarns twisted together |
US9677198B2 (en) * | 2013-03-18 | 2017-06-13 | Continental Reifen Deutschland Gmbh | Hybrid cord consisting of at least two multifilament yarns twisted together |
US20150143855A1 (en) * | 2013-11-26 | 2015-05-28 | Nygard International Partnership | Pants |
US10194704B2 (en) * | 2013-11-26 | 2019-02-05 | Nygard International Partnership | Pants |
WO2016084030A1 (en) * | 2014-11-26 | 2016-06-02 | Tubitak | A double-layer elastic fabric reflecting broad-spectrum electromagnetic wave and a production method thereof |
US10829870B2 (en) | 2015-12-22 | 2020-11-10 | Inuheat Group Ab | Electrically conductive yarn and a product including the yarn |
US10145036B1 (en) | 2016-05-04 | 2018-12-04 | Apple Inc. | Items with conductive yarn |
US11577555B2 (en) * | 2016-07-15 | 2023-02-14 | Nv Bekaert Sa | Electrically conductive yarn |
US10718067B1 (en) | 2016-08-31 | 2020-07-21 | Apple Inc. | Magnetic strands for fabric items |
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Legal Events
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AS | Assignment |
Owner name: MEMTEC NORTH AMERICA CORP., 250 LEXINGTON AVENUE, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:BRUNSWICK CORPORATION;REEL/FRAME:004993/0645 Effective date: 19880527 |
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AS | Assignment |
Owner name: MEMTEC AMERICA CORPORATION Free format text: CHANGE OF NAME;ASSIGNOR:MEMCOR, INC., A CORP. OF DE;REEL/FRAME:005450/0046 Effective date: 19890101 Owner name: MEMCOR, INC. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. EFFECTIVE DATE;ASSIGNOR:MEMTEC NORTH AMERICA CORPORATION, A CORP.OF DE;REEL/FRAME:005450/0051 Effective date: 19880531 |