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US4138040A Expired / Lapsed US ⏱️ 0.0 years remaining

Dispenser for anaerobic and cyanoacrylate adhesives

Assignee: Pacer Industries Inc
•
Filing: 1976-04-12
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Granted: 1979-02-06
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Expires: 1996-04-12
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Abstract

Abstract A capillary tube applicator for dispensing anaerobic and cyanoacrylate adhesives is penetratingly inserted and retained in place by an interference fit within a cap attached internal to the neck of a container for the adhesive.

Inventors

  • 👤 Hugh J. Stock

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 19:11
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/18

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 280 words
An applicator for dispensing anaerobic and cyanoacrylate adhesives in minute and precise quantities from a container to a point of application, said applicator comprising in combination: (a) a neck defining the opening to said container, said neck including: a circular inner surface comprising a radially expanded annular depression and a radially inwardly extending annular shoulder disposed at each side of said annular depression; (b) a hollow base for sealingly engaging said neck, said base including: i. a nipple section having a passageway circular in cross-section extending through the upper extremity thereof; and ii. a hollow lower part of plastic material having a skirt for mating with said circular surface of said neck, said skirt of said lower part including a radially expanded annular band disposed intermediate a radially inwardly sloping annular beveled surface and a radially inwardly extending annular depression for lockingly mating with corresponding mirror image elements developed within said circular inner surface of said neck; (c) a flexible capillary tube of Teflon plastic material of grade TFE penetratingly mounted within said passageway for conveying the adhesive from within said hollow lower part to the point of application, said capillary tube being of a diameter greater than the diameter of said passageway whereby said capillary tube must be force fit into said passageway, said capillary tube including an adhesive receiving end cut at a bias in the range of 55 degrees to 65 degrees to aid in penetration of said passageway upon insertion therein and an adhesive dispensing end cut at a bias in the range of 55 degrees to 65 degrees to aid in unclogging said dispensing end by flexing said dispensing end to remove crusted adhesive therefrom.
Claim 2
Dependent Claim 280 words
An applicator for dispensing anaerobic and cyanoacrylate adhesives in minute and precise quantities from a container to a point of application, said applicator comprising in combination: (a) a neck defining the opening to said container, said neck including: a circular inner surface comprising a radially expanded annular depression and a radially inwardly extending annular shoulder disposed at each side of said annular depression; (b) a hollow base for sealingly engaging said neck, said base including: i. a nipple section having a passageway circular in cross-section extending through the upper extremity thereof; and ii. a hollow lower part of plastic material having a skirt for mating with said circular surface of said neck, said skirt of said lower part including a radially expanded annular band disposed intermediate a radially inwardly sloping annular beveled surface and a radially inwardly extending annular depression for lockingly mating with corresponding mirror image elements developed within said circular inner surface of said neck; (c) a flexible capillary tube of Teflon plastic material of grade TFE penetratingly mounted within said passageway for conveying the adhesive from within said hollow lower part to the point of application, said capillary tube being of a diameter greater than the diameter of said passageway whereby said capillary tube must be force fit into said passageway, said capillary tube including an adhesive receiving end cut at a bias in the range of 55 degrees to 65 degrees to aid in penetration of said passageway upon insertion therein and an adhesive dispensing end cut at a bias in the range of 55 degrees to 65 degrees to aid in unclogging said dispensing end by flexing said dispensing end to remove crusted adhesive therefrom.
Claim 3
Dependent Claim 43 words
The applicator as set foth in claim 1 wherein the diameter of said capillary tube is 0.065" with a tolerance of plus 0.002" and minus 0.001" and the diameter of said passageway is 0.062" with a tolerance of plus 0.003" and minus 0.002".
Claim 4
Dependent Claim 26 words
The applicator as set forth in claim 2 wherein the diameter of the passageway within said capillary tube is 0.021" with a tolerance of ± 0.002".
Claim 5
Dependent Claim 21 words
The applicator as set forth in claim 3 wherein said first and second ends are cut at a bias of 60°.

References Cited (Backward Citations)

BE502432A Cited
US1970688A Cited
US2673661A Cited
US2789734A Cited
US2846126A Cited
US2974528A Cited
US3134515A Cited
US3915651A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-02-05 1982-08-07 1983-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-02-05 1986-08-07 1987-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-02-05 1990-08-07 1991-02-06 $7700.00 Window Closed / Lapsed

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