Airtight feeding device

• Main Authors: ZHANG YI'EN, GUO LIHUAN
• Format: Patent
• Language: Chinese; English
• Published: 11.01.2019
• Subjects: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; TRANSPORTING

The utility model relates to a chemical industry pharmacy technical field, and disclose an airtight feeding device, the rain cover comprises a cover body, the upper surface of the cover body is fixedrespectively to peg graft has intake pipe and blast pipe, the inside of intake pipe and blast pipe communicates with the inside of the cover body respectively, the intake pipe is located the left sideof blast pipe, cover the back of internal wall and seted up the hand hole, the inside of the cover body is passed through the hand hole and is covered the outside intercommunication of personally experiencing sth. Part of the body, the ring channel has been seted up to the back outer wall of the cover body, the hand hole is located the centre of ring channel. This airtight feeding device makes the connecting band closed through the ribbon, and the leakproofness of the cover body when guaranteeing to make up a prescription effectually prevents dust and gaseous overflowing, and intake pipe andblast pipe play the effect