Heat activated indica on textiles
First Claim
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1. Textile articles with hidden indica activated by heat comprising:
- (a) a textile article of woven fabric having a major surface defining the front of the textile article as viewed by the user made from natural or man made fibers,(b) a design on said major surface of the article impregnating the textile with a substance having a permanent coloring agent, and(c) indica infused into said textile article with thermochromatic ink integral with said design hidden at normal prevailing ambient temperatures and visually appearing when subjected to external heat said thermochromatic ink comprises in combination a blend of water, gum turpentine, neutralizer, pigment-resin color, and a substance consisting of 30% organic pigment, 30 % polyacrylic ester emulsion, 30% water, 7% mineral spirits and 3% ethylene glycol, said design is characterized by an ornamental mark providing a contrast in color of said article located in such a manner as to allow said indica to convey a message when visually manifested with said indica appearing between 90 degrees F. (33 degrees C.) and 108 degrees F. (42degrees C.) and visible at temperatures thereabove.
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Abstract
A woven fabric textile (10) in the form of a washcloth (12) or other fabric article having indica (16) in the form of a hidden message or symbol imprinted on its major surface. The indica is not visible to the naked eye under normal ambient temperatures. However, when the washcloth (12) is subjected to temperatures above 108 degrees F. (42 degrees C.), such as when emersed in bath water, the hidden indica (16) appears to the user. The indica (16) consists of a blend of conventional ink and a substance known by its tradename MATSUMIN THERMOCHROMATIC COLOR.
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Citations
5 Claims
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1. Textile articles with hidden indica activated by heat comprising:
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(a) a textile article of woven fabric having a major surface defining the front of the textile article as viewed by the user made from natural or man made fibers, (b) a design on said major surface of the article impregnating the textile with a substance having a permanent coloring agent, and (c) indica infused into said textile article with thermochromatic ink integral with said design hidden at normal prevailing ambient temperatures and visually appearing when subjected to external heat said thermochromatic ink comprises in combination a blend of water, gum turpentine, neutralizer, pigment-resin color, and a substance consisting of 30% organic pigment, 30 % polyacrylic ester emulsion, 30% water, 7% mineral spirits and 3% ethylene glycol, said design is characterized by an ornamental mark providing a contrast in color of said article located in such a manner as to allow said indica to convey a message when visually manifested with said indica appearing between 90 degrees F. (33 degrees C.) and 108 degrees F. (42degrees C.) and visible at temperatures thereabove. - View Dependent Claims (2, 3, 4, 5)
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Specification
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Current AssigneeToru Kimura
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Original AssigneeToru Kimura
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InventorsKimura, Toru
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Primary Examiner(s)Epstein, Henry F.
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Application NumberUS06/871,392Time in Patent Office959 DaysField of Search283/97, 346/221, 428/16, 428/29, 428/79, 446/147, 446/369, 503/221US Class Current428/29CPC Class CodesA63F 2250/1031 using colour indicatorsA63H 3/02 made of fabrics or stuffedD06Q 1/00 Decorating textilesG09F 19/00 Advertising or display mean...Y10S 428/913 Material designed to be res...
