Smart pads for indoor shoes and method of attaching smart pads for indoor shoes

Abstract

Disclosed are smart pads for indoor shoes and a method of attaching the smart pads for indoor shoes, and more particularly, smart pads for indoor shoes designed in such a way that, when a user wearing indoor shoes provided with the smart pads simply walks, the smart pads absorb foreign substances on the floor of an office, etc. enabling automatic cleaning, and a method of attaching the smart pads for indoor shoes.

What is claimed is: 
     
         1 . A smart pad (A) for indoor shoe, which is detachable from a shoe outsole (OS) of an indoor shoe (IS), the smart pad (A) for indoor shoe comprising: a first front wrapper  20  provided at the front edge of a base pad  10  and a second rear wrapper  30  provided at the rear edge of the base pad  10 ,
 wherein the base pad  10  is formed in the same oval shape as the shoe outsole (OS) of the indoor shoe (IS) and comprises a semicircular front pad end  110  and a semicircular rear pad end  120  at the front and rear thereof, respectively, 
 wherein a first front wrapping end  210  of the front end of the first front wrapper  20  and a second rear wrapping end  310  of the rear end of the second rear wrapper  30  being formed in the same semicircular shape as the front pad end  110  and the rear pad end  120  of the base pad  10 , 
 wherein the first front wrapping end  210  of the first front wrapper  20  is bonded to the front pad end  110  of the base pad  10  to provide a front insertion area (FA), and the second rear wrapping end  310  of the second rear wrapper  30  is bonded to the rear pad end  120  of the base pad  10  to provide a rear insertion area (RA). 
 
     
     
         2 . The smart pad (A) for indoor shoe of  claim 1 , wherein the first front wrapper  20  comprises a first rear wrapping end  220  at the rear end thereof, and the second rear wrapper  30  comprises a second front wrapping end  320  at the front end thereof, the first rear wrapping end  220  and the second front wrapping end  320  being formed horizontally, the second rear wrapper  30  having a length smaller than that of the base pad  10  and greater than that of the first front wrapper  20 ,
 wherein the combined length of the first front wrapper  20  and the second rear wrapper  30  is greater than that of the base pad  10  such that the first front wrapping end  210  of the first front wrapper  20  is bonded to the front pad end  110  of the base pad  10  and unfolded backward, and 
 wherein when the second rear wrapping end  310  of the second rear wrapper  30  is bonded to the rear pad end  120  of the base pad  10  and unfolded forward, the second rear wrapper  30  overlaps with the top of the end of the first front wrapper  20  to provide a rectangular overlap area  40 . 
 
     
     
         3 . The smart pad (A) for indoor shoe of  claim 1 , wherein the length and width of the base pad  10  are greater than those of the shoe outsole (OS) of the indoor shoe (IS), and the base pad  10 , the first front wrapper  20 , and the second rear wrapper  30  have the same width. 
     
     
         4 . The smart pad (A) for indoor shoe of  claim 1 , wherein the first front wrapping end  210  of the first front wrapper  20  and the second rear wrapping end  310  of the second rear wrapper  30 , which are bonded to the edges of the semicircular front pad end  110  and the semicircular rear pad end  120  provided at the front and rear of the base pad  10 , respectively, are welded by ultrasonic welding (UW), wherein a rear ultrasonic welding part (UW- 2 ) of the rear pad end  120  of the base pad  10  is longer than a front ultrasonic welding part (UW- 1 ) of the front pad end  110  of the base pad  10 . 
     
     
         5 . A method of attaching the smart pad (A) for indoor shoe according to  claim 1  to an indoor shoe (IS), comprising the steps of:
 (1) inserting a rear section (RS) of a shoe outsole (OS) of the indoor shoe (IS) into a rear insertion area (RA) of the smart pad (A); 
 (2) inserting a front section (FS) of the shoe outsole (OS) of the indoor shoe (IS) into a front insertion area (FA) of the smart pad (A); 
 (3) unfolding a first front wrapper  20  toward the rear on the upper surface of the shoe outsole (OS); and 
 (4) unfolding a second rear wrapper  30  toward the front on the upper surface of the first front wrapper  20  that has been unfolded on the upper surface of the shoe outsole (OS).