초록 ▼

A yarn texturizing nozzle is disclosed which has two confronting sections that are separable along a separating plane projecting through and longitudinally of a yarn duct that extends through the nozzle and that is supplied with a pressurized fluid such as hot air. A piston within a cavity of one of

A yarn texturizing nozzle is disclosed which has two confronting sections that are separable along a separating plane projecting through and longitudinally of a yarn duct that extends through the nozzle and that is supplied with a pressurized fluid such as hot air. A piston within a cavity of one of the nozzle sections is biased by the pressure of fluid within such cavity into abutting engagement with the confronting surface of the other of the nozzle sections. The piston is so designed as to deform, under the force of such engagement, sufficiently as to conform to any unevenness of the confronting surface of the other nozzle section, and so as to minimize fluid leakage at the interface of the nozzle sections.

대표청구항 ▼

In a nozzle for texturng an advancing yarn with pressurized fluid such as hot air, said nozzle comprising a duct through which the yarn is adapted to advance at high speed, and passageway means for conducting a heated pressurized fluid into said duct during operation of said nozzle, said nozzle furt

In a nozzle for texturng an advancing yarn with pressurized fluid such as hot air, said nozzle comprising a duct through which the yarn is adapted to advance at high speed, and passageway means for conducting a heated pressurized fluid into said duct during operation of said nozzle, said nozzle further comprising two confronting sections separable along a separating plane extending through and generally longitudinal of said duct, said sections being in abutting relationship with each other during operation of said nozzle while being separable from each other to facilitate insertion of yarn into said duct, the improvement comprising: one of said nozzle sections having a cavity confronting and opening in the direction of the other of said nozzle sections, with said cavity extending over a substantial portion of the length and width of the other of the nozzle sections, and means for introducing pressurized fluid into said cavity, and piston means mounted in said cavity for movement, in response to the pressure of fluid within said cavity, into abutting relationship with the confronting surface portion of said other of said nozzle sections, said piston means including a piston body and a plurality of parallel grooves which extend into the surface of said piston body distal from said separating plane a substantial distance so as to impart deformability thereto.