FR1002811A - Apparatus for checking the etching depth of printing plates - Google Patents

Apparatus for checking the etching depth of printing plates

Info

Publication number
FR1002811A
FR1002811A FR1002811DA FR1002811A FR 1002811 A FR1002811 A FR 1002811A FR 1002811D A FR1002811D A FR 1002811DA FR 1002811 A FR1002811 A FR 1002811A
Authority
FR
France
Prior art keywords
checking
printing plates
etching depth
etching
depth
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
Other languages
French (fr)
Inventor
Joseph Christen
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 filed Critical
Application granted granted Critical
Publication of FR1002811A publication Critical patent/FR1002811A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/22—Feeler-pin gauges, e.g. dial gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1002811D 1949-01-06 1949-12-14 Apparatus for checking the etching depth of printing plates Expired FR1002811A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1002811X 1949-01-06

Publications (1)

Publication Number Publication Date
FR1002811A true FR1002811A (en) 1952-03-11

Family

ID=4552130

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1002811D Expired FR1002811A (en) 1949-01-06 1949-12-14 Apparatus for checking the etching depth of printing plates

Country Status (1)

Country Link
FR (1) FR1002811A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419826A (en) * 1980-10-23 1983-12-13 Mitutoyo Mfg. Co., Ltd. Dial gauge with releasing means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4419826A (en) * 1980-10-23 1983-12-13 Mitutoyo Mfg. Co., Ltd. Dial gauge with releasing means

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