GB190818540A - Improvements in the Process of Etching. - Google Patents

Improvements in the Process of Etching.

Info

Publication number
GB190818540A
GB190818540A GB190818540DA GB190818540A GB 190818540 A GB190818540 A GB 190818540A GB 190818540D A GB190818540D A GB 190818540DA GB 190818540 A GB190818540 A GB 190818540A
Authority
GB
United Kingdom
Prior art keywords
etching
velocity
reservoir
plate
washing
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
Inventor
Mieczyslaw Piolunkowski
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
Application granted granted Critical
Publication of GB190818540A publication Critical patent/GB190818540A/en
Expired legal-status Critical Current

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  • ing And Chemical Polishing (AREA)

Abstract

18,540. Piolunkowski, M. Sept. 11, 1907, [date applied for under Section 91 of Patents &c. Act, 1907]. Etching.-In apparatus for etching metal plates &c. the etching-fluid is forced under pressure from a reservoir b through nozzles a against the under surface of the plate A. At the central narrow part d of the nozzle bore, downwardly-inclined airducks d<2> communicate with a compressed-air chamber e. The velocity of the spray and its degree of subdivision may be determined by varying the pressures in the chambers b, e. Water may be admitted to the reservoir b for washing the plate. The etching or washing fluid is removed by the pipe r. The rate of discharge is stated to be a maximum when the velocity of the liquid at the narrowest part of the bore is equal to the velocity of sound in air or about three hundred and thirtythree meters per second.
GB190818540D 1907-09-11 1908-09-03 Improvements in the Process of Etching. Expired GB190818540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE190818540X 1907-09-11

Publications (1)

Publication Number Publication Date
GB190818540A true GB190818540A (en) 1909-02-11

Family

ID=32405030

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190818540D Expired GB190818540A (en) 1907-09-11 1908-09-03 Improvements in the Process of Etching.

Country Status (1)

Country Link
GB (1) GB190818540A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182671A (en) * 1962-12-19 1965-05-11 North American Aviation Inc Etching apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3182671A (en) * 1962-12-19 1965-05-11 North American Aviation Inc Etching apparatus

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