GB1345618A - Coating apparatus - Google Patents

Coating apparatus

Info

Publication number
GB1345618A
GB1345618A GB1345618DA GB1345618A GB 1345618 A GB1345618 A GB 1345618A GB 1345618D A GB1345618D A GB 1345618DA GB 1345618 A GB1345618 A GB 1345618A
Authority
GB
United Kingdom
Prior art keywords
roller
web
coating
precision
coating liquid
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
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Publication of GB1345618A publication Critical patent/GB1345618A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller

Abstract

1345618 Web coating apparatus ILFORD Ltd 12 July 1972 [2 Aug 1971] 36168/71 Heading D1L Apparatus for coating a travelling web 1 comprises a contra-rotating transfer roller 2 rotating in a trough 5 of coating liquid 6, a doctor blade 7 for metering the amount of liquid carried by the roller surface, linked flanged rollers 8 and 9 for guiding the web 1 in contact with the transfer roller 2 and the non-coated side of the web in contact with a precision roller 10 located immediately downstream of the point of separation of the web 1 and roller 2 adjacent the roller 2 and separated from the surface thereof by a distance greater than the combined thickness of the web and the layer of coating liquid. The precision roller, which stabilises the bead 11 (Fig. 2) of coating liquid formed between the web 1 and roller 2 is a roller which has a total run out not exceeding 0.001 inches and is mounted on high precision air or ball race bearings. The apparatus is particularly suitable for the coating of stripes of magnetic material onto the surface of a web of, for example, cellulose acetate when the transfer roller 2 is rotated at a surface speed higher than the speed of travel of the web and is provided with peripheral rings on its surface and the precision roller is made of stainless steel.
GB1345618D 1972-07-12 1972-07-12 Coating apparatus Expired GB1345618A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3616871 1972-07-12

Publications (1)

Publication Number Publication Date
GB1345618A true GB1345618A (en) 1974-01-30

Family

ID=10385606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1345618D Expired GB1345618A (en) 1972-07-12 1972-07-12 Coating apparatus

Country Status (2)

Country Link
JP (1) JPS4825034A (en)
GB (1) GB1345618A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267215A (en) 1977-06-23 1981-05-12 Imperial Chemical Industries Limited Process for coating a web using reverse applicator roll

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024857U (en) * 1973-07-09 1975-03-20
JPS5111963A (en) * 1974-07-19 1976-01-30 Hokuriku Kikai Kogyo Kk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267215A (en) 1977-06-23 1981-05-12 Imperial Chemical Industries Limited Process for coating a web using reverse applicator roll

Also Published As

Publication number Publication date
JPS4825034A (en) 1973-04-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees