IT976834B - VACUUM LOCKING DEVICE FOR FINISHING EQUIPMENT IN PARTICULAR OF OPTICAL LENSES - Google Patents

VACUUM LOCKING DEVICE FOR FINISHING EQUIPMENT IN PARTICULAR OF OPTICAL LENSES

Info

Publication number: IT976834B
Authority: IT; Italy
Prior art keywords: locking device; optical lenses; finishing equipment; vacuum locking; vacuum
Prior art date: 1972-01-13

Application number

IT4762673A

Other languages

Italian (it)

Original Assignee

Coburn Optical Ind

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.)

1972-01-13

Filing date

1973-01-11

Publication date

1974-09-10

1973-01-03 Priority claimed from US322232A external-priority patent/US3874127A/en

1973-01-11 Application filed by Coburn Optical Ind filed Critical Coburn Optical Ind

1974-09-10 Application granted granted Critical

1974-09-10 Publication of IT976834B publication Critical patent/IT976834B/en

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/005—Vacuum work holders
- B25B11/007—Vacuum work holders portable, e.g. handheld
- 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)
Prostheses (AREA)
Eyeglasses (AREA)
Moulds For Moulding Plastics Or The Like (AREA)

IT4762673A 1972-01-13 1973-01-11 VACUUM LOCKING DEVICE FOR FINISHING EQUIPMENT IN PARTICULAR OF OPTICAL LENSES IT976834B (en)

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
IT976834B true IT976834B (en)	1974-09-10

Family

ID=26911958

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT4762673A IT976834B (en)	1972-01-13	1973-01-11	VACUUM LOCKING DEVICE FOR FINISHING EQUIPMENT IN PARTICULAR OF OPTICAL LENSES

Country Status (10)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2518923A1 (en) *	1981-12-28	1983-07-01	Essilor Int	Block for mounting lens on edge bevelling grinder - uses adhesive to fix lens on circle radial teeth forming discontinuous bearing face
DE3712148A1 (en) *	1986-11-28	1988-06-09	Klaus Kassner	Bearing body
DE3640678A1 (en) *	1986-11-28	1988-06-09	Klaus Kassner	Support
DE3924078A1 (en) *	1989-07-20	1991-01-24	Loh Kg Optikmaschf	Holding lens during grinding and polishing - involves thin rubber disk to create sealed-off low pressure area between lens and holder
US5462475A (en) *	1993-02-12	1995-10-31	National Optronics, Inc.	Blocking system for prescription lenses
CH695405A5 (en) *	1999-12-14	2006-04-28	Esec Trading Sa	Semiconductor die and wire bonder holding curved substrate flat and level at processing station, includes plate with resting surface and suction units
CN104827390B (en) *	2015-05-05	2019-03-05	瑞安市天裕机械有限公司	A kind of spherical pad spherical outside surface clamp
CN104827392B (en) *	2015-05-05	2018-11-27	薛瑞华	A kind of grinding spherical pad spherical outside surface fixture
CN104827389B (en) *	2015-05-05	2018-11-27	薛瑞华	Spherical pad spherical outside surface clamp
CN107225413B (en) *	2017-08-01	2023-09-01	中航西飞汉中航空零组件制造有限公司	Positioning and clamping device for turning eccentric part of numerical control lathe
CN108972231A (en) *	2018-07-27	2018-12-11	望江县天长光学仪器有限公司	Fixture for optical mirror slip

0
- BE BE794002D patent/BE794002A/en unknown
1973
- 1973-01-09 CA CA160,834A patent/CA964066A/en not_active Expired
- 1973-01-10 GB GB137673A patent/GB1399803A/en not_active Expired
- 1973-01-11 CH CH36973A patent/CH547683A/en not_active IP Right Cessation
- 1973-01-11 DE DE19732301187 patent/DE2301187A1/en active Pending
- 1973-01-11 DE DE19732366010 patent/DE2366010A1/en active Pending
- 1973-01-11 IT IT4762673A patent/IT976834B/en active
- 1973-01-11 SE SE7300373A patent/SE400917B/en unknown
- 1973-01-12 NL NL7300466A patent/NL7300466A/xx unknown
- 1973-01-12 ES ES410565A patent/ES410565A1/en not_active Expired
- 1973-01-12 FR FR7301150A patent/FR2174537A5/fr not_active Expired

Also Published As

Publication number	Publication date
DE2301187A1 (en)	1973-07-19
CH547683A (en)	1974-04-11
BE794002A (en)	1973-05-02
FR2174537A5 (en)	1973-10-12
SE400917B (en)	1978-04-17
NL7300466A (en)	1973-07-17
DE2366010A1 (en)	1977-09-15
ES410565A1 (en)	1976-05-16
CA964066A (en)	1975-03-11
GB1399803A (en)	1975-07-02

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