Collecting filter bag
US4299605A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1980 |
| Grant date | Nov 10, 1981 |
| Priority date | — |
| Expiry date | Jul 28, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A collecting bag for collecting dusts having an air permeable bag body made of a cloth and provided at its one end with a connection opening for connection to a passage of the dust laden air and at its other end with a discharge opening through which the dust content of the bag is taken out. A pair of opposing plate members are jointed to the opposing peripheral edges of the discharge opening of the bag body so as to cooperate with each other in opening and closing the discharge opening. One of the plate members may be provided with a hook which engages a suitable member fixed to the bag in the closed state of the discharge opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.