DE971620C - Normal rough and process for its preparation - Google Patents

Normal rough and process for its preparation

Info

Publication number
DE971620C
DE971620C DEW12671A DEW0012671A DE971620C DE 971620 C DE971620 C DE 971620C DE W12671 A DEW12671 A DE W12671A DE W0012671 A DEW0012671 A DE W0012671A DE 971620 C DE971620 C DE 971620C
Authority
DE
Germany
Prior art keywords
preparation
process
normal rough
rough
normal
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
DEW12671A
Other languages
German (de)
Inventor
Johannes Dr Heidenhain
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.)
Wenczler and Heidenhain
Original Assignee
Wenczler and Heidenhain
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 Wenczler and Heidenhain filed Critical Wenczler and Heidenhain
Priority to DEW12671A priority Critical patent/DE971620C/en
Application granted granted Critical
Publication of DE971620C publication Critical patent/DE971620C/en
Application status is Expired legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical means
    • G01B5/28Measuring arrangements characterised by the use of mechanical means for measuring roughness or irregularity of surfaces
DEW12671A 1953-11-27 1953-11-27 Normal rough and process for its preparation Expired DE971620C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEW12671A DE971620C (en) 1953-11-27 1953-11-27 Normal rough and process for its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW12671A DE971620C (en) 1953-11-27 1953-11-27 Normal rough and process for its preparation

Publications (1)

Publication Number Publication Date
DE971620C true DE971620C (en) 1959-02-26

Family

ID=7594867

Family Applications (1)

Application Number Title Priority Date Filing Date
DEW12671A Expired DE971620C (en) 1953-11-27 1953-11-27 Normal rough and process for its preparation

Country Status (1)

Country Link
DE (1) DE971620C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109969A1 (en) * 1990-03-29 1991-10-02 Vaillant Joh Gmbh & Co Surface with measurement area esp. for film thickness measurement - has conical frustum needles with measurement areas in slots for use as casting vessel heat exchange surface

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE642447C (en) * 1935-06-29 1937-03-04 Telefunken Gmbh Covering process for metallization of insulating materials by sputtering
US2171433A (en) * 1937-02-09 1939-08-29 Electronic Controls Corp Smoothness gauge
CH221030A (en) * 1940-07-15 1942-05-15 Zeiss Carl Fa A process for the photographic production of partitions, measuring marks, gratings and the like.
CH228141A (en) * 1941-06-30 1943-07-31 Zeiss Carl A process for the photographic production of partitions, measuring marks, gratings and the like.
CH251426A (en) * 1944-06-16 1947-10-31 Optical Measuring Tools Limite A process for producing a very precise scale and apparatus for carrying out this method.
US2472991A (en) * 1940-07-13 1949-06-14 Thomas W Sukumlyn Optical light wedge
FR986597A (en) * 1949-03-15 1951-08-02 Range of standard samples of surface roughness cast plastic
CH284109A (en) * 1952-02-06 1952-07-15 Ernst Jun Dr Ruest A process for preparing with partitions, grids, line art, area marks objects, etc. is provided.
DE859526C (en) * 1951-05-26 1953-03-19 Leitz Ernst Gmbh Scale divisions with phase identification
DE878583C (en) * 1942-11-26 1953-06-05 Bosch Gmbh Robert Gluehdrahtkerze

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE642447C (en) * 1935-06-29 1937-03-04 Telefunken Gmbh Covering process for metallization of insulating materials by sputtering
US2171433A (en) * 1937-02-09 1939-08-29 Electronic Controls Corp Smoothness gauge
US2472991A (en) * 1940-07-13 1949-06-14 Thomas W Sukumlyn Optical light wedge
CH221030A (en) * 1940-07-15 1942-05-15 Zeiss Carl Fa A process for the photographic production of partitions, measuring marks, gratings and the like.
CH228141A (en) * 1941-06-30 1943-07-31 Zeiss Carl A process for the photographic production of partitions, measuring marks, gratings and the like.
DE878583C (en) * 1942-11-26 1953-06-05 Bosch Gmbh Robert Gluehdrahtkerze
CH251426A (en) * 1944-06-16 1947-10-31 Optical Measuring Tools Limite A process for producing a very precise scale and apparatus for carrying out this method.
FR986597A (en) * 1949-03-15 1951-08-02 Range of standard samples of surface roughness cast plastic
DE859526C (en) * 1951-05-26 1953-03-19 Leitz Ernst Gmbh Scale divisions with phase identification
CH284109A (en) * 1952-02-06 1952-07-15 Ernst Jun Dr Ruest A process for preparing with partitions, grids, line art, area marks objects, etc. is provided.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109969A1 (en) * 1990-03-29 1991-10-02 Vaillant Joh Gmbh & Co Surface with measurement area esp. for film thickness measurement - has conical frustum needles with measurement areas in slots for use as casting vessel heat exchange surface

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