GB1492092A - Method and apparatus for sintering plastics coatings applied to articles - Google Patents

Method and apparatus for sintering plastics coatings applied to articles

Info

Publication number
GB1492092A
GB1492092A GB2739575A GB2739575A GB1492092A GB 1492092 A GB1492092 A GB 1492092A GB 2739575 A GB2739575 A GB 2739575A GB 2739575 A GB2739575 A GB 2739575A GB 1492092 A GB1492092 A GB 1492092A
Authority
GB
United Kingdom
Prior art keywords
conveyer
article
sintered
articles
coating
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
GB2739575A
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.)
Plascoat Systems Ltd
Original Assignee
Plastic Coatings 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 Plastic Coatings Ltd filed Critical Plastic Coatings Ltd
Priority to GB2739575A priority Critical patent/GB1492092A/en
Publication of GB1492092A publication Critical patent/GB1492092A/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
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0209—Multistage baking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B05D3/0263—After-treatment with IR heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2258/00—Small objects (e.g. screws)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2401/00—Form of the coating product, e.g. solution, water dispersion, powders or the like
    • B05D2401/30—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant
    • B05D2401/32—Form of the coating product, e.g. solution, water dispersion, powders or the like the coating being applied in other forms than involving eliminable solvent, diluent or dispersant applied as powders

Landscapes

  • Coating Apparatus (AREA)

Abstract

1492092 Coating materials with plastics PLASTIC COATINGS Ltd 3 June 1976 [27 June 1975] 27395/75 Heading F4B [Also in Division B2] A plastics coating on the surface of an article is sintered by supporting the article on a surface of a conveyer 10, passing the conveyer through a sintering zone 16 to sinter the coating except for that portion adjacent the conveyer, which portion is kept below its flow temperature, supporting the article on a conveyer 11 so that the portion of the article adjacent the conveyer is a sintered portion, and passing the article again through a sintering zone to sinter the remaining unsintered portion of coating whilst ensuring that the already sintered portion does not reach its flow temperature. Magnetizable articles from shoot 18 fall on to conveyer 10 and their plastics powder coating is sintered by infrared heater 13, whilst the coated base of the articles is prevented from reaching the flow temperature by water-cooled contact plate 15; forced air cooling follows at 14 and the articles pass round magnetic drum 12 so that they are delivered to conveyer 11 inverted, with the unsintered powder uppermost; this is sintered by repetition of the above-described steps. In another embodiment, only one sintering zone is used, with a conveyer either side of it; one half of an article is sintered whilst held on the lefthand conveyer; the article is shifted laterally to be held on the right-hand conveyer, and the other half sintered as that conveyer travels in the return direction. In the above illustrated embodiment, if the articles are not magnetizable, a belt is used to trap them against drum 12 and thus to invert them (Fig. 4, not shown).
GB2739575A 1976-06-03 1976-06-03 Method and apparatus for sintering plastics coatings applied to articles Expired GB1492092A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2739575A GB1492092A (en) 1976-06-03 1976-06-03 Method and apparatus for sintering plastics coatings applied to articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2739575A GB1492092A (en) 1976-06-03 1976-06-03 Method and apparatus for sintering plastics coatings applied to articles

Publications (1)

Publication Number Publication Date
GB1492092A true GB1492092A (en) 1977-11-16

Family

ID=10258891

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2739575A Expired GB1492092A (en) 1976-06-03 1976-06-03 Method and apparatus for sintering plastics coatings applied to articles

Country Status (1)

Country Link
GB (1) GB1492092A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441698A (en) * 1981-03-21 1984-04-10 Ferdinand Limque Furnace for the heat treatment of drills
WO1991016137A2 (en) * 1990-02-28 1991-10-31 Western Finishing Systems, Inc. Powder coating system
EP0858841A3 (en) * 1996-12-23 1999-03-10 Daniel Seiler Powder coating unit, conveyor for such a unit and powder coating installation with the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4441698A (en) * 1981-03-21 1984-04-10 Ferdinand Limque Furnace for the heat treatment of drills
WO1991016137A2 (en) * 1990-02-28 1991-10-31 Western Finishing Systems, Inc. Powder coating system
WO1991016137A3 (en) * 1990-02-28 1992-01-23 Western Finishing Systems Inc Powder coating system
EP0858841A3 (en) * 1996-12-23 1999-03-10 Daniel Seiler Powder coating unit, conveyor for such a unit and powder coating installation with the same

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee