It is made of a bed of wool felting together. 它是由一层层毛毡螺旋缠绕粘接制作而成。
According to the need of fabrics, we could use other styles cross section of felting needles. 根据织物的需要可采用其它款式横截面的刺针。
The most commonly used cross section of the working parts on felting needles is an evenly distributed with rounded edges; therefore, the resistance against deflection in any direction is the same providing optimal conditions d 刺针最常用工作段的横截面是带园边的等边三角形;因此能均匀承受各方面的挠曲力,在针刺过程中提供最佳条件。
Felt \Felt\, v. t. [imp. & p. p. {Felted}; p. pr. & vb. n. {Felting}.] 1. To make into felt, or a feltike substance; to cause to adhere and mat together. --Sir M. Hale.
2. To cover with, or as with, felt; as, to felt the cylinder of a steam engine.
Felting \Felt"ing\, n. 1. The material of which felt is made; also, felted cloth; also, the process by which it is made.