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
GB35448/31A
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SAfiledCriticalCompagnie de Saint Gobain SA
Publication of GB379184ApublicationCriticalpatent/GB379184A/en
B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
B24D11/001—Manufacture of flexible abrasive materials
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Mechanical Engineering
(AREA)
Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes
(AREA)
Abstract
379,184. Polishing glass. SOC. ANON. DES MANUFACTURES D E S GLACES ET PRODUITS CHIMIQUES DE ST. GOBAIN, CHAUNY, ET CIREY, 1 bis, Place des Saussaies, Paris. Dec. 22, 1931, No. 35448. Convention date, July 30. [Class 60.] Tools.-Felts employed for polishing glass are impregnated with melted petroleum pitch, the layer thereof which contacts with the glass being charged with abrasive upon solidification, and the layer of felt contacting with the polishing-head being free from pitch. Specification 366,872 is referred to.
GB35448/31A1931-07-301931-12-22Treatment of the felts employed for polishing glass
ExpiredGB379184A
(en)