a protuberance such as a raised edge of a polyester backing sheet on capillary/indirect films, which is a by-product of polyester extrusion
The indented or crimped portion on the skirt at the top of the cap used for holding the liner in the cap The knurl is also used as a grip for removing the cap The knurl provides a non-skid surface during the threading operation
The process of marking the surface of a part by rolling depressions in the surface, usually for better hand grip
- The indented or crimped portion on the skirt at the top of the cap used for holding the liner in the cap The knurl is also used as a grip for removing the cap The knurl provides a non-skid surface during the threading operation
Decorative engraving or stamping on the hosel of an iron club Knurling may consist of a series of lines or "X's" near the top of the hosel and is strictly a cosmetic addition to an iron