CA2413603A1 - Solution striping system - Google Patents

Solution striping system Download PDF

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Publication number
CA2413603A1
CA2413603A1 CA002413603A CA2413603A CA2413603A1 CA 2413603 A1 CA2413603 A1 CA 2413603A1 CA 002413603 A CA002413603 A CA 002413603A CA 2413603 A CA2413603 A CA 2413603A CA 2413603 A1 CA2413603 A1 CA 2413603A1
Authority
CA
Canada
Prior art keywords
solution
die
mouth
lips
substrate
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.)
Granted
Application number
CA002413603A
Other languages
French (fr)
Other versions
CA2413603C (en
Inventor
Kenneth W. Dick
Gary Otake
Aaron Jessen
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.)
LifeScan Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2413603A1 publication Critical patent/CA2413603A1/en
Application granted granted Critical
Publication of CA2413603C publication Critical patent/CA2413603C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material
    • 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
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated

Abstract

A system for laying down stripes of solution on substrate is described. The substrate preferably comprises a web of material set on a backing roller passed by a specially configured die. The die includes at least a mouth with lips extending beyond a face or body of the die. The die is adapted to avoid fluid leakage therefrom. Upper and lower portions of the die defining the mouth are preferably substantially flat and minor images of each other.
The lips are preferably placed in close proximity to the material on which the solution is to be deposited. Solution passing through the mouth of the die is directed to the webbing and deposited in a substantially constant thickness stripe or band. Often, the solution comprises a reagent-type solution. The solution coating is typically dried onto the substrate. Dried product may then be used in reagent test strip production.

Claims (9)

1. A solution coating system comprising:
a die comprising a body and an open mouth, said body adapted for passing solution from a source to said mouth, said mouth comprising a pair of portions having substantially flat, substantially parallel solution directing surfaces extending beyond said body, each mouth portion terminating in a lip having an edge, said edges being substantially in alignment with one another, said die being adapted to avoid solution leakage.
2. The system of claim 1, wherein said adaptation to avoid leakage is provided by a die body consisting of upper and lower body portions.
3. The system of claim 2, wherein said upper body portion includes an upper portion of said mouth including one of said solution directing surfaces, and wherein said lower body portion comprises a lower portion of said mouth.
4. The system of claims 2 or 3, wherein said body includes at least one groove for passing solution through said body to said mouth.
5. The system of claims 1 to 4, wherein said die further comprises a shim located between said upper and lower body portions, said shim defining at least one groove for passing solution through said body to said mouth.
6. The system of any of claims 1 to 5, further comprising a roller in opposition to said die lips.
7. The system of claims 1 to 6, further comprising a solution.
8. The system of claim 7, wherein said solution is a reagent solution.
9. A method of coating material with stripes of solution comprising:
providing a moving web of material, advancing a die according to claims 1 to 8 to a position adjacent said material, extruding solution through said die, past said lips, and producing at least one stripe of coating on said material.
CA2413603A 2001-11-28 2002-11-27 Solution striping system Expired - Fee Related CA2413603C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/997,315 US6689411B2 (en) 2001-11-28 2001-11-28 Solution striping system
US09/997,315 2001-11-28

Publications (2)

Publication Number Publication Date
CA2413603A1 true CA2413603A1 (en) 2003-05-28
CA2413603C CA2413603C (en) 2012-03-13

Family

ID=25543874

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2413603A Expired - Fee Related CA2413603C (en) 2001-11-28 2002-11-27 Solution striping system

Country Status (20)

Country Link
US (2) US6689411B2 (en)
EP (2) EP1316367B1 (en)
JP (1) JP4290415B2 (en)
KR (1) KR20030043771A (en)
CN (2) CN1833783B (en)
AT (2) ATE368521T1 (en)
AU (1) AU2002302050B2 (en)
CA (1) CA2413603C (en)
DE (1) DE60221485T2 (en)
DK (1) DK1316367T3 (en)
ES (1) ES2290252T3 (en)
HK (2) HK1052892A1 (en)
IL (1) IL152914A (en)
MX (1) MXPA02011620A (en)
NO (1) NO20025546L (en)
PL (1) PL357432A1 (en)
PT (1) PT1316367E (en)
RU (1) RU2295394C2 (en)
SG (1) SG124248A1 (en)
TW (1) TWI300013B (en)

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Publication number Publication date
US20030097981A1 (en) 2003-05-29
PT1316367E (en) 2007-09-04
EP1862223A1 (en) 2007-12-05
JP2003287527A (en) 2003-10-10
JP4290415B2 (en) 2009-07-08
IL152914A0 (en) 2003-06-24
DE60221485T2 (en) 2008-04-17
US6689411B2 (en) 2004-02-10
US20030099773A1 (en) 2003-05-29
DK1316367T3 (en) 2007-12-10
CN1833783B (en) 2011-03-23
ATE368521T1 (en) 2007-08-15
CN1833783A (en) 2006-09-20
AU2002302050B2 (en) 2008-02-28
ES2290252T3 (en) 2008-02-16
PL357432A1 (en) 2003-06-02
NO20025546D0 (en) 2002-11-19
TW200303796A (en) 2003-09-16
IL152914A (en) 2006-09-05
HK1052892A1 (en) 2003-10-03
EP1316367A1 (en) 2003-06-04
EP1316367B1 (en) 2007-08-01
MXPA02011620A (en) 2004-09-03
DE60221485D1 (en) 2007-09-13
HK1095554A1 (en) 2007-05-11
SG124248A1 (en) 2006-08-30
ATE525138T1 (en) 2011-10-15
CN1257018C (en) 2006-05-24
CN1422704A (en) 2003-06-11
TWI300013B (en) 2008-08-21
RU2295394C2 (en) 2007-03-20
NO20025546L (en) 2003-05-30
CA2413603C (en) 2012-03-13
KR20030043771A (en) 2003-06-02
EP1862223B1 (en) 2011-09-21
US6676995B2 (en) 2004-01-13

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