EP1568609A3

Apparatus and method of filling microscopic powder

Abstract

A powder filling apparatus comprises: a first container (10) configured to contain a powder;a weighing tank (30) configured to receive the powder from the first container and discharge a predetermined amount of the powder to a second container (40), comprising: an opening (31) configured to discharge the powder into the second container; anda regulator (32) configured to open and close the opening to discharge a predetermined amount of the powder into the second container; anda connector (20) configured to feed the powder from the first container into the weighing tank, said connector comprising a porous member (21) from which air is discharged.

Term

Term ended

Projected expiry passed 29 January 2023, 3.7 years ago.

  1. Priority
  2. Filed
  3. Published
  4. Projected expiry
  5. Today

Every citation, both waysCites: the store holds 6 of 7

Citations
DocumentRelationOfficeCategoryCited duringRelevant claims
EP1055601A2CitesEuropean Patent Office (EPO)ASearch report
US3188144ACitesUnited States of AmericaYSearch report1-9,11-22,24-38,40
US5711353ACitesUnited States of AmericaASearch report2,8,9,11-17,19-22,26-29,31,33,34,37
US5727607ACitesUnited States of AmericaYSearch report1-9,11-22,24-38,40
US6056027ACitesUnited States of AmericaYSearch report18,30
US6311745B1CitesUnited States of AmericaASearch report1-3,8,9,11,12,14-17,20-22,25,28,29,33,34,36-38
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 08 29 September 1995 (1995-09-29)Non-patentSearch report