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
GB11944/42A
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.)
Norton Grinding Wheel Co Ltd
Original Assignee
Norton Grinding Wheel Co Ltd
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 Norton Grinding Wheel Co LtdfiledCriticalNorton Grinding Wheel Co Ltd
Publication of GB556514ApublicationCriticalpatent/GB556514A/en
F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
F28G3/00—Rotary appliances
F28G3/02—Rotary appliances having abrasive tools
Landscapes
Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Combustion & Propulsion
(AREA)
Mechanical Engineering
(AREA)
General Engineering & Computer Science
(AREA)
Polishing Bodies And Polishing Tools
(AREA)
Abstract
556,514. Locking bolts. NORTON GRINDING WHEEL CO., Ltd. Aug. 25, 1942, No. 11944. Convention date, Oct. 18, 1941. [Class 89 (i)] [Also in Groups XXVIII and XXIII] An abrasive block 30 is secured to a screwed spindle 35 by a bolt 53 screwing into a soft metal block 52 which is thereby clamped against the threads of the spindle.
GB11944/42A1941-10-181942-08-25Device for cleaning still tubes and the like
ExpiredGB556514A
(en)
Method and device for refreshing or diamond coating profiled grinding wheels, in particular grinding wheels used in the manufacture of threads by grinding