GB141395A - Improvements in methods of and means for preparing lenses and the like for grinding and polishing - Google Patents

Improvements in methods of and means for preparing lenses and the like for grinding and polishing

Info

Publication number
GB141395A
GB141395A GB16719/18A GB1671918A GB141395A GB 141395 A GB141395 A GB 141395A GB 16719/18 A GB16719/18 A GB 16719/18A GB 1671918 A GB1671918 A GB 1671918A GB 141395 A GB141395 A GB 141395A
Authority
GB
United Kingdom
Prior art keywords
pitch
polishing
grinding
methods
preparing lenses
Prior art date
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
GB16719/18A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB16719/18A priority Critical patent/GB141395A/en
Priority to DET23466D priority patent/DE393538C/de
Publication of GB141395A publication Critical patent/GB141395A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B24B13/005—Blocking means, chucks or the like; Alignment devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
GB16719/18A 1918-10-14 1918-10-14 Improvements in methods of and means for preparing lenses and the like for grinding and polishing Expired GB141395A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB16719/18A GB141395A (en) 1918-10-14 1918-10-14 Improvements in methods of and means for preparing lenses and the like for grinding and polishing
DET23466D DE393538C (de) 1918-10-14 1919-12-28 Vorrichtung zum Bepichen zu schleifender oder polierender Glasstuecke, insonderheit vorgeformter Glaslinsen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB16719/18A GB141395A (en) 1918-10-14 1918-10-14 Improvements in methods of and means for preparing lenses and the like for grinding and polishing
GB393538X 1918-10-14

Publications (1)

Publication Number Publication Date
GB141395A true GB141395A (en) 1920-04-14

Family

ID=26252196

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16719/18A Expired GB141395A (en) 1918-10-14 1918-10-14 Improvements in methods of and means for preparing lenses and the like for grinding and polishing

Country Status (2)

Country Link
DE (1) DE393538C (de)
GB (1) GB141395A (de)

Also Published As

Publication number Publication date
DE393538C (de) 1924-04-04

Similar Documents

Publication Publication Date Title
GB141395A (en) Improvements in methods of and means for preparing lenses and the like for grinding and polishing
US1332778A (en) Method of and means for preparing lenses and the like for grinding and polishing
US1783112A (en) Hat-making machine
US89122A (en) Self and lewis b
US295633A (en) Tenth to john
GB287105A (en) Improvements in or relating to liquid atomisers
US1214157A (en) Liquid dressing for leather.
AT109669B (de) Aufschnittschneidmaschine mit drehbarem, kreisförmigem Messer.
US93988A (en) Improvement in the manxtfactttre of rosin and spirits of turpentine
GB634434A (en) Improvements in the treatment of milk and cream
US1386165A (en) Process and apparatus for degreasing garbage
GB276727A (en) An improved process and apparatus for the dispersion of solids in liquids
US1869691A (en) Coating apparatus
GB404850A (en) New or improved means for pasteurising materials of a pasty consistency
SU89322A1 (ru) Способ изготовлени абразивных изделий на бакелитовой св зке
DE689491C (de) Verschmelzmaschine fuer Glasgegenstaende
GB186688A (en) Helicopters with two propellers rotatable in opposite directions
AU105216A (en) An improved agitator heater and cooler for milk cream andthe like
GB119748A (en) Improvements in Apparatus for Automatically Controlling a Number of Temperature Regulators.
CA185058A (en) Liquid mixer and delivery apparatus
GB412525A (en) Process for the production of dispersions of chlorinated rubber
GB131495A (en) Improvements in Apparatus for Heating or Cooling Chocolate and other Plastic Materials.
GB362744A (en) An improved process for the production of artificial cream or artificial sweet milk
GB458919A (en) Improvements in and relating to apparatus for refining fibrous material in a liquid medium
GB191218211A (en) Apparatus for the Automatic Supply of Cooling Water to Grinding Wheels.