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.)
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
Application grantedgrantedCritical
Publication of FR630478ApublicationCriticalpatent/FR630478A/fr
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B41/00—Component parts such as frames, beds, carriages, headstocks
B24B41/04—Headstocks; Working-spindles; Features relating thereto
B24B41/047—Grinding heads for working on plane surfaces
B24B41/053—Grinding heads for working on plane surfaces for grinding or polishing glass
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR630478D1926-06-021926-06-02Perfectionnement aux appareils de polissage
ExpiredFR630478A
(fr)