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
GB32331/39A
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.)
DUREX ABRASIVES Ltd
Original Assignee
DUREX ABRASIVES 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 DUREX ABRASIVES LtdfiledCriticalDUREX ABRASIVES Ltd
Publication of GB538019ApublicationCriticalpatent/GB538019A/en
B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Polishing Bodies And Polishing Tools
(AREA)
Laminated Bodies
(AREA)
Abstract
538,019. Flexible sheet abrasive material. DUREX ABRASIVES, Ltd. Dec. 15, 1939, No. 32331. Convention date, Dec. 27, 1938. [Class 60] Flexible sheet abrasive material in sheet, roll or disc form such as sand paper in which the adhesive is susceptible to reaction with a constituent of the atmosphere, i.e. a drying oil, varnish or a silicate is preserved by conditioning the material in an atmosphere having a controlled humidity within the range 30-60 per cent. R.H. and sealing in it a container having a similar atmosphere and filled to at least 50 per cent. of its capacity.
GB32331/39A1938-12-271939-12-15Improvements in or relating to methods of preserving abrasive coated material
ExpiredGB538019A
(en)