GB1379135A - Printing screen assembly - Google Patents

Printing screen assembly

Info

Publication number
GB1379135A
GB1379135A GB3816772A GB3816772A GB1379135A GB 1379135 A GB1379135 A GB 1379135A GB 3816772 A GB3816772 A GB 3816772A GB 3816772 A GB3816772 A GB 3816772A GB 1379135 A GB1379135 A GB 1379135A
Authority
GB
United Kingdom
Prior art keywords
nickel
frame
zinc
screen
aluminium
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
GB3816772A
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.)
Buckbee Mears Co
Original Assignee
Buckbee Mears Co
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 Buckbee Mears Co filed Critical Buckbee Mears Co
Publication of GB1379135A publication Critical patent/GB1379135A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/42—Pretreatment of metallic surfaces to be electroplated of light metals
    • C25D5/44—Aluminium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C1/00—Forme preparation
    • B41C1/14—Forme preparation for stencil-printing or silk-screen printing
    • B41C1/142—Forme preparation for stencil-printing or silk-screen printing using a galvanic or electroless metal deposition processing step
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D1/00—Electroforming
    • C25D1/08—Perforated or foraminous objects, e.g. sieves
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel

Abstract

1379135 Nickel electro-plating printing screens BUCKBEE MEARS CO 16 Aug 1972 [12 Nov 1971] 38167/72 Heading C7B [Also in Division B6] A printing screen assembly comprises a frame of aluminium or magnesium or an alloy of aluminium or magnesium, the frame having a layer of zinc thereon and a layer of nickel over the zinc, and a flexible printing screen stretched across the frame, the flexible screen being rigidized by a coating of nickel. The screen may be of stainless steel. The zinc and nickel are applied by a process comprising cleaning the frame and screen by immersion in an aluminium etch solution, spray rinsing, and immersion in nitric acid, depositing the zinc on the frame from a solution of sodium hydroxide and zinc hydroxide and electro-plating the nickel in a nickel sulphanate bath having a pH of between 4 and 6.
GB3816772A 1971-11-12 1972-08-16 Printing screen assembly Expired GB1379135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19839671A 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
GB1379135A true GB1379135A (en) 1975-01-02

Family

ID=22733210

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3816772A Expired GB1379135A (en) 1971-11-12 1972-08-16 Printing screen assembly

Country Status (8)

Country Link
US (1) US3749010A (en)
JP (1) JPS4858901A (en)
BE (1) BE788470A (en)
CA (1) CA940374A (en)
DE (1) DE2247784A1 (en)
GB (1) GB1379135A (en)
IT (1) IT970421B (en)
NL (1) NL7215261A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4197359A (en) * 1975-10-21 1980-04-08 Rager Edgar A Hub for a disk storage medium
FR2421452A1 (en) * 1978-03-31 1979-10-26 Pechiney Aluminium NEW METHOD FOR MAKING ELECTRICAL CONTACTS ON ALUMINUM PARTS
DE4404560C1 (en) * 1994-02-12 1995-08-24 Schepers Druckformtechnik Gmbh Process for producing a mother die for the galvanic production of seamless rotary screen printing stencils, in particular made of nickel

Also Published As

Publication number Publication date
JPS4858901A (en) 1973-08-18
DE2247784A1 (en) 1973-05-17
US3749010A (en) 1973-07-31
IT970421B (en) 1974-04-10
CA940374A (en) 1974-01-22
BE788470A (en) 1973-01-02
NL7215261A (en) 1973-05-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee