ES419030A1 - Method and apparatus for spreading on a running inert support a coating containing a ferromagnetic particulate material - Google Patents

Method and apparatus for spreading on a running inert support a coating containing a ferromagnetic particulate material

Info

Publication number
ES419030A1
ES419030A1 ES419030A ES419030A ES419030A1 ES 419030 A1 ES419030 A1 ES 419030A1 ES 419030 A ES419030 A ES 419030A ES 419030 A ES419030 A ES 419030A ES 419030 A1 ES419030 A1 ES 419030A1
Authority
ES
Spain
Prior art keywords
spreading
running
inert support
support
particulate material
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
ES419030A
Other languages
Spanish (es)
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.)
SECI
Original Assignee
SECI
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 SECI filed Critical SECI
Publication of ES419030A1 publication Critical patent/ES419030A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Procedure with your device to deposit and paste evenly on a sliding inert support, a varnish containing ferromagnetic particles, which consists of depositing, by means of the magnetic attraction generated by a magnet, the varnish on the support itself and expanding the varnish deposited by passing the sliding support in a magnetic field existing between the poles of a magnet, whose lines of force are parallel to the sliding direction of the support itself. (Machine-translation by Google Translate, not legally binding)
ES419030A 1972-09-27 1973-09-25 Method and apparatus for spreading on a running inert support a coating containing a ferromagnetic particulate material Expired ES419030A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2975072A IT967926B (en) 1972-09-27 1972-09-27 COATING OF SLIDING INERT SUPPORTS WITH PARTICULAR REFERENCE TO MAGNETIC TAPES AND EQUIPMENT TO MAKE IT

Publications (1)

Publication Number Publication Date
ES419030A1 true ES419030A1 (en) 1976-06-16

Family

ID=11228368

Family Applications (1)

Application Number Title Priority Date Filing Date
ES419030A Expired ES419030A1 (en) 1972-09-27 1973-09-25 Method and apparatus for spreading on a running inert support a coating containing a ferromagnetic particulate material

Country Status (9)

Country Link
JP (1) JPS49125003A (en)
BE (1) BE805276A (en)
CH (1) CH578897A5 (en)
DE (1) DE2346390A1 (en)
ES (1) ES419030A1 (en)
FR (1) FR2200573B3 (en)
GB (1) GB1445130A (en)
IT (1) IT967926B (en)
NL (1) NL7313182A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2936035C2 (en) * 1979-09-06 1981-09-24 Agfa-Gevaert Ag, 5090 Leverkusen Process for applying magnetic, binder-containing dispersions to flexible substrates

Also Published As

Publication number Publication date
GB1445130A (en) 1976-08-04
CH578897A5 (en) 1976-08-31
DE2346390A1 (en) 1974-03-28
BE805276A (en) 1974-01-16
IT967926B (en) 1974-03-11
FR2200573A1 (en) 1974-04-19
FR2200573B3 (en) 1976-08-20
JPS49125003A (en) 1974-11-29
NL7313182A (en) 1974-03-29

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