发明名称 Smoking tube for rolling or pipe tobacco
摘要 The smoking tube (1) is made from wood with a larger hole in one end for filling with tobacco and a smaller hole at the other for drawing the smoke from the tobacco once it has been lit. The tube has three annular grooves containing rings (2) which can be rotated independently to expose one or two small air inlet holes each. The air inlets are 1.5 mm in diameter and at an angle of 50 degrees to one another.
申请公布号 FR2772236(A1) 申请公布日期 1999.06.18
申请号 FR19970016042 申请日期 1997.12.12
申请人 COLLOMB DENIS 发明人 COLLOMB DENIS
分类号 A24F1/22;A24F1/28;(IPC1-7):A24F1/28 主分类号 A24F1/22
代理机构 代理人
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