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
Priority to BE674664DpriorityCriticalpatent/BE674664A/xx
Priority to DE19651477920prioritypatent/DE1477920A1/de
Application filedfiledCritical
Priority to NL6600014Aprioritypatent/NL6600014A/xx
Publication of NL6600014ApublicationCriticalpatent/NL6600014A/xx
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
B24B13/005—Blocking means, chucks or the like; Alignment devices
B24B13/0052—Lens block moulding devices
B—PERFORMING OPERATIONS; TRANSPORTING
B24—GRINDING; POLISHING
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor