Filter stick with dredging grooves

Disclosed is a filter stick with dredging grooves. Tows of the filter stick are wrapped inside molding paper, and tow dredging grooves with low tow filling densities are processed in the tows in the molding paper and communicate front and rear ends of the filter stick along an axial direction. The n...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	XIANG NENGJUN, QIAN YU, XI BAOHUA, DAI PEIMING, GONG WEIMIN, XU YUNCHUN, CHEN HONGLIN, MOU DINGRONG, CHEN BAORONG, MENG ZHAOYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CIGARETTES CIGARS HUMAN NECESSITIES MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MOUTHPIECES FOR CIGARS OR CIGARETTES SMOKERS' REQUISITES TOBACCO TOBACCO SMOKE FILTERS
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