NL7300466A - - Google Patents

Info

Publication number
NL7300466A
NL7300466A NL7300466A NL7300466A NL7300466A NL 7300466 A NL7300466 A NL 7300466A NL 7300466 A NL7300466 A NL 7300466A NL 7300466 A NL7300466 A NL 7300466A NL 7300466 A NL7300466 A NL 7300466A
Authority
NL
Netherlands
Application number
NL7300466A
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 claimed from US322232A external-priority patent/US3874127A/en
Application filed filed Critical
Publication of NL7300466A publication Critical patent/NL7300466A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • B25B11/005Vacuum work holders
    • B25B11/007Vacuum work holders portable, e.g. handheld
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/005Blocking 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)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Prostheses (AREA)
NL7300466A 1972-01-13 1973-01-12 NL7300466A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21746972A 1972-01-13 1972-01-13
US322232A US3874127A (en) 1973-01-03 1973-01-03 Vacuum chuck with sealable cavity

Publications (1)

Publication Number Publication Date
NL7300466A true NL7300466A (fr) 1973-07-17

Family

ID=26911958

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7300466A NL7300466A (fr) 1972-01-13 1973-01-12

Country Status (10)

Country Link
BE (1) BE794002A (fr)
CA (1) CA964066A (fr)
CH (1) CH547683A (fr)
DE (2) DE2301187A1 (fr)
ES (1) ES410565A1 (fr)
FR (1) FR2174537A5 (fr)
GB (1) GB1399803A (fr)
IT (1) IT976834B (fr)
NL (1) NL7300466A (fr)
SE (1) SE400917B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518923A1 (fr) * 1981-12-28 1983-07-01 Essilor Int Bloc de montage d'une lentille sur une machine a deborder et biseauter
DE3712148A1 (de) * 1986-11-28 1988-06-09 Klaus Kassner Auflagerkoerper
DE3640678A1 (de) * 1986-11-28 1988-06-09 Klaus Kassner Auflagerkoerper
DE3924078A1 (de) * 1989-07-20 1991-01-24 Loh Kg Optikmaschf Linsenhalter, vorrichtung zum aufsetzen einer linse auf den linsenhalter sowie vorrichtung zum loesen einer linse von dem linsenhalter
US5462475A (en) * 1993-02-12 1995-10-31 National Optronics, Inc. Blocking system for prescription lenses
CH695405A5 (de) * 1999-12-14 2006-04-28 Esec Trading Sa Die Bonder und Wire Bonder mit einer Ansaugvorrichtung zum Flachziehen und Niederhalten eines gewölbten Substrats.
CN104827390B (zh) * 2015-05-05 2019-03-05 瑞安市天裕机械有限公司 一种球面垫片外球面磨削夹具
CN104827392B (zh) * 2015-05-05 2018-11-27 薛瑞华 一种磨削球面垫片外球面夹具
CN104827389B (zh) * 2015-05-05 2018-11-27 薛瑞华 球面垫片外球面磨削夹具
CN107225413B (zh) * 2017-08-01 2023-09-01 中航西飞汉中航空零组件制造有限公司 一种数控车床用车削偏心零件的定位夹紧装置
CN108972231A (zh) * 2018-07-27 2018-12-11 望江县天长光学仪器有限公司 用于光学镜片的夹具

Also Published As

Publication number Publication date
GB1399803A (en) 1975-07-02
IT976834B (it) 1974-09-10
SE400917B (sv) 1978-04-17
CH547683A (de) 1974-04-11
DE2301187A1 (de) 1973-07-19
FR2174537A5 (fr) 1973-10-12
BE794002A (fr) 1973-05-02
DE2366010A1 (de) 1977-09-15
CA964066A (en) 1975-03-11
ES410565A1 (es) 1976-05-16

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