Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB16631/19A
Inventor
Harlen L Bee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Publication of GB129288ApublicationCriticalpatent/GB129288A/en
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Filtering Of Dispersed Particles In Gases
(AREA)
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
129,288. Bee, H. L. Sept. 29, 1916, [Convention date]. Impeller blades. - A fan used for creating suction in a dust-collecting apparatus is provided with curved blades 43 on spoke arms 47 extending radially from its shaft 28, the blades projecting from the arms 47 towards one side of the casing.
GB16631/19A1916-09-291919-07-03Improvements in Dust Collectors.
ExpiredGB129288A
(en)