The Procter Gamble Company

China University of Petroleum

Tsinghua University

Lu Ji

Jie Chen

Chao Zhao

Ya Qiong Liu

Zhongwei Huang

Mao Sheng

Gensheng Li

Huaizhong Shi

Mark Andrew Thornton

Yiqun Zhang

Xianzhi Song

Minchen Du

Zhensheng Liu

Ankan Mandal

Xuejiao Sun

Kaitian Wang

Jayson Oxcena Gawaran

A dual-chamber package system for absorbent articles, comprises: a retaining chamber configured to vertically retain a plurality of absorbent articles, a dispensing chamber positioned underneath the retaining chamber, wherein the dispensing chamber has a front side opening, and a divider separating the retaining chamber and the dispensing chamber, wherein at least a portion of the divider is moveable so that a bottommost absorbent article is configured to be dispensed from the front side opening of the dispensing chamber.

Dual-chamber package system for absorbent articles

A plugging and wall reinforcing device and a method of using thereof. The nesting plugging and wall reinforcing device comprises an external slotted metal pipe and an internal nested blasting tool, wherein the slotted metal pipe has spiral slits or straight slits cut on a pipe wall thereof; the nested blasting tool is a mandrel having a surface provided with a plurality of explosive grooves in which explosives are placed; the slotted metal pipe is disposed around the mandrel, with a movable fit therebetween. The present invention can effectively improve the plugging success rate.

Energy-gathered bundle type nesting plugging and wall reinforcing device and application thereof in karst cave plugging

Growing community of inventors

Beijing, China

Lu Ji