EP1452242A3 - Patterned release finish - Google Patents

Patterned release finish Download PDF

Info

Publication number
EP1452242A3
EP1452242A3 EP04012916A EP04012916A EP1452242A3 EP 1452242 A3 EP1452242 A3 EP 1452242A3 EP 04012916 A EP04012916 A EP 04012916A EP 04012916 A EP04012916 A EP 04012916A EP 1452242 A3 EP1452242 A3 EP 1452242A3
Authority
EP
European Patent Office
Prior art keywords
flakes
coating
patterned
substrate
pattern
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.)
Withdrawn
Application number
EP04012916A
Other languages
German (de)
French (fr)
Other versions
EP1452242A2 (en
Inventor
Kenneth Batzar
Jeffrey Hugh Hamilton
Christopher Mark Rey
Thomas J Leck
Alan Charles Herzer
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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
Priority claimed from US09/144,766 external-priority patent/US6103361A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of EP1452242A2 publication Critical patent/EP1452242A2/en
Publication of EP1452242A3 publication Critical patent/EP1452242A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B05D3/20—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 magnetic fields
    • B05D3/207—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 magnetic fields post-treatment by magnetic fields
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • 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
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers

Abstract

Smooth, patterned substrates useful in producing decorative cookware are formed by coating a base with a mixture of fluoropolymer and magnetic flakes and magnetically inducing an image in the polymer coating composition. The baked fluoropolymer release coating contains magnetizable flakes, a portion of the flakes being oriented in the plane of the substrate and a portions of said flakes being magnetically reoriented to form a pattern in the coating which is observed in reflected light, the flakes having a longest dimension which is greater than the thickness of said coating. The patterned substrate is formed by applying magnetic force through the edges of a magnetizable die positioned under a coated base to induce an imaging effect or pattern. The coating composition in then cured resulting in a smooth surface, patterned nonstick finish on the substrate.
EP04012916A 1997-09-08 1998-09-03 Patterned release finish Withdrawn EP1452242A3 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US144766 1993-10-29
US5814897P 1997-09-08 1997-09-08
US58148P 1997-09-08
US09/144,766 US6103361A (en) 1997-09-08 1998-09-01 Patterned release finish
EP19980948081 EP1017507B1 (en) 1997-09-08 1998-09-03 Patterned release finish

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP98948081.9 Division 1998-09-03
EP19980948081 Division EP1017507B1 (en) 1997-09-08 1998-09-03 Patterned release finish

Publications (2)

Publication Number Publication Date
EP1452242A2 EP1452242A2 (en) 2004-09-01
EP1452242A3 true EP1452242A3 (en) 2006-01-18

Family

ID=32776571

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04012916A Withdrawn EP1452242A3 (en) 1997-09-08 1998-09-03 Patterned release finish

Country Status (1)

Country Link
EP (1) EP1452242A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814862B2 (en) 2005-05-12 2014-08-26 Innovatech, Llc Electrosurgical electrode and method of manufacturing same

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7462387B2 (en) 2004-12-16 2008-12-09 E.I. Du Pont De Nemours And Company Fluoropolymer release coating having improved heat transfer properties and abrasion resistance
US20060134404A1 (en) * 2004-12-16 2006-06-22 Witsch Michael J Fluoropolymer release coating with improved heat transfer
US8814861B2 (en) 2005-05-12 2014-08-26 Innovatech, Llc Electrosurgical electrode and method of manufacturing same
US20120156398A1 (en) * 2010-12-21 2012-06-21 Kim Ryong Method and apparatus for coating utensils using magnetic force
JP2012130899A (en) * 2010-12-21 2012-07-12 Ryong Kim Apparatus coating method using magnetic force and coating apparatus

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131038A (en) * 1965-04-15 1968-10-16 Tefal Sa Procedure for producing a pattern of particles in a polytetrafluoroethylene matrix
JPS5710376A (en) * 1980-06-23 1982-01-19 Nisshin Steel Co Ltd Production of painted metallic plate with pattern
US4518626A (en) * 1982-12-29 1985-05-21 Fuji Photo Film Co., Ltd. Process for preparing magnetic recording medium
JPS63175670A (en) * 1987-01-13 1988-07-20 Kansai Paint Co Ltd Forming method for coating film with pattern
EP0406667A1 (en) * 1989-06-27 1991-01-09 Nippon Paint Co., Ltd. Forming method of patterned coating
JPH0517709A (en) * 1991-07-09 1993-01-26 Nippon Paint Co Ltd Pattern-forming paint composition and forming of patterned coating film
EP0556449A1 (en) * 1992-02-21 1993-08-25 Hashimoto Forming Industry Co., Ltd. Painting with magnetically formed pattern and painted product with magnetically formed pattern
JPH08243483A (en) * 1995-03-09 1996-09-24 Nisshin Steel Co Ltd Production of patterned-coated metal panel
JPH0973629A (en) * 1995-09-05 1997-03-18 Tokyo Jiki Insatsu Kk Magnetic recording medium and its production
JPH09176833A (en) * 1995-12-26 1997-07-08 Yoichi Murayama Formation of pattern on product surface

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131038A (en) * 1965-04-15 1968-10-16 Tefal Sa Procedure for producing a pattern of particles in a polytetrafluoroethylene matrix
JPS5710376A (en) * 1980-06-23 1982-01-19 Nisshin Steel Co Ltd Production of painted metallic plate with pattern
US4518626A (en) * 1982-12-29 1985-05-21 Fuji Photo Film Co., Ltd. Process for preparing magnetic recording medium
JPS63175670A (en) * 1987-01-13 1988-07-20 Kansai Paint Co Ltd Forming method for coating film with pattern
EP0406667A1 (en) * 1989-06-27 1991-01-09 Nippon Paint Co., Ltd. Forming method of patterned coating
JPH0517709A (en) * 1991-07-09 1993-01-26 Nippon Paint Co Ltd Pattern-forming paint composition and forming of patterned coating film
EP0556449A1 (en) * 1992-02-21 1993-08-25 Hashimoto Forming Industry Co., Ltd. Painting with magnetically formed pattern and painted product with magnetically formed pattern
JPH08243483A (en) * 1995-03-09 1996-09-24 Nisshin Steel Co Ltd Production of patterned-coated metal panel
JPH0973629A (en) * 1995-09-05 1997-03-18 Tokyo Jiki Insatsu Kk Magnetic recording medium and its production
JPH09176833A (en) * 1995-12-26 1997-07-08 Yoichi Murayama Formation of pattern on product surface

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 073 (C - 101) 8 May 1982 (1982-05-08) *
PATENT ABSTRACTS OF JAPAN vol. 012, no. 450 (C - 547) 25 November 1988 (1988-11-25) *
PATENT ABSTRACTS OF JAPAN vol. 017, no. 291 (C - 1067) 4 June 1993 (1993-06-04) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 01 31 January 1997 (1997-01-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 07 31 July 1997 (1997-07-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 11 28 November 1997 (1997-11-28) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8814862B2 (en) 2005-05-12 2014-08-26 Innovatech, Llc Electrosurgical electrode and method of manufacturing same
US8814863B2 (en) 2005-05-12 2014-08-26 Innovatech, Llc Electrosurgical electrode and method of manufacturing same

Also Published As

Publication number Publication date
EP1452242A2 (en) 2004-09-01

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