Pore-forming device for weaving supporting pipe

• Main Authors: PENG WENJUAN, GU HUI, CHEN YILI, QI YULIANG, NIU XUELIAN, HE SHUIPING
• Format: Patent
• Language: Chinese; English
• Published: 02.01.2013
• Subjects: BRAID; BRAIDING; BRAIDING MACHINES; BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET ORCARBONISED LACE; KNITTING; LACE; LACE-MAKING; NON-WOVEN FABRICS; TEXTILES; TRIMMINGS

The utility model discloses a pore-forming device for weaving a supporting pipe. The pore-forming device for weaving the supporting pipe comprises a mandrill, wherein a steel needle is installed on the top of the mandrill, the steel needle passes through an inverted bowl-shaped top cap, and a needle tip part of the steel needle is exposed from the bowl-shaped top cap. The supporting pipe is woven by weaving filament yarn on the steel needle and part of the steel needle is formed into an inner hole of the supporting pipe. Furthermore, the pore-forming device for weaving the supporting pipe comprises a fixing casing pipe, wherein the mandrill is inserted into the fixing casing pipe to achieve fixation. A fixing ring provided with a bolt is installed outside the fixing casing pipe and the bolt passes through the fixing ring into the fixing casing pipe against the mandrill to fix the mandrill. A yarn pressing fixing support is arranged on the upper portion of the steel needle. The pore-forming device for weaving