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Zippers 101 PDF Print E-mail

Standard for Measuring Dimensions


Classification Dimensions
(A)
Dimensions of top tape extension
(B)
Dimensions of bottom tape extension(C)
Closed-end zipper From the top end of the slider to the tip of the bottom stop From the top stop to the to the tip of notches of the cut end
Measure01
From the bottom stop to the tip of notches of the cut end
Zipper with double sliders (arranged in head to head relation) From the tip of one bottom stop to the tip of the other bottom stop From the upper bottom stop to the tip of notches of the cut end
Measure02
From the tip of the bottom stop to the tip of notches of the cut end
Zipper with double sliders (arranged in bottom-to- bottom relation) From the top end of one slider to the top end of the other slider From the top stop to the tip of notches of the cut end
Measure03
 
Same as the top tape extention end portion
Open-end zipper From the top end of the slider to the tip of the box From the top stop to the cut end
Measure05
 
Two way separator From the top end of the slider to the bottom end of the supplementary tape From the top stop to the cut end
Measure06
 
Top open zipper From the top stop to the tip of the box From the top stop to the cut end
Measure07
 
 
Reversible slider Rather than from the top end, measurement should be made from the shoulder inlet portion of the slider From the top stop to the cut end
Measure10
 
When the top stop does not enter the slider Measurement should be made from the top stop From the top stop to the tip of notches of the cut end
Measure11
 

 

Structure of Zipper


Zippers can be divided into three major parts: the tape, elements and slider.

 

Zipper Structure

 

SLIDER

The slider joins or separates the elements when the zipper is opened or closed. Various types of sliders are available depending on use.

ELEMENTS
The teeth, also known as elements, are the parts on each side of a zipper that mesh, or engage, with each other when passed through the slider. When the left and the right side teeth are engaged they are called chain.
TAPE

The tape is manufactured exclusively for zippers. It is usually made of polyester, but depending on use, synthetic fiber tape, vinyl tape and cotton tape are also available.