Patent US5710585A successfully refreshed from Google Patents.
US5710585A
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US
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Ink source for an ink delivery system
Assignee: CALCOMB Inc
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Filing: 1995-05-04
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Granted: 1998-01-20
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Expires: 2015-05-04
Abstract
Abstract The bag includes a selected volume of gas having a selected volume of dead space. The dead space being provided to accommodate expansion of the gas in the event of atmospheric and temperature changes. The dead space is within a range of 9% to 9.5% of the combined volume of the bag. The selected volume of air is sufficient such that complete drainage of an ink supply line to the printhead is allowed.
Inventors
- 👤 Charles J. Sabonis
- 👤 Stephen R. Boss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:13
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175; B41J2/17503; B41J2/1752; B41J2/17523
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
78 words
An ink source for an ink delivery system for a printer having a print head comprising: a flexible bag having a selected combined individual volume of ink and individual volume of gas therein, said selected individual volume of gas including a selected volume of dead space for accommodating expansion of said gas and ink in the event of atmospheric and temperature changes, said selected volume of said dead space being 9-9.5% of said combined volume of said bag.
Claim 2
Dependent Claim
78 words
An ink source for an ink delivery system for a printer having a print head comprising: a flexible bag having a selected combined individual volume of ink and individual volume of gas therein, said selected individual volume of gas including a selected volume of dead space for accommodating expansion of said gas and ink in the event of atmospheric and temperature changes, said selected volume of said dead space being 9-9.5% of said combined volume of said bag.
Claim 3
Dependent Claim
75 words
An ink source for an ink delivery system for a printer having a print head coupled to a flexible bag by at least one ink supply line comprising: a flexible bag having a selected combined individual volume of ink and individual volume of gas therein, said selected individual volume of gas including a selected volume of air space for allowing complete drainage of said ink supply line and for preventing negative pressure upon such drainage.
Claim 4
Dependent Claim
75 words
An ink source for an ink delivery system for a printer having a print head coupled to a flexible bag by at least one ink supply line comprising: a flexible bag having a selected combined individual volume of ink and individual volume of gas therein, said selected individual volume of gas including a selected volume of air space for allowing complete drainage of said ink supply line and for preventing negative pressure upon such drainage.
Claim 5
Dependent Claim
23 words
The ink source of claim 2 wherein said selected volume of said air space is 4-5% of said combined volume of said bag.
References Cited (Backward Citations)
US4928126A
Cited
US4719475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-01-19 | 2001-07-21 | 2002-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-01-19 | 2005-07-21 | 2006-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-01-19 | 2009-07-21 | 2010-01-20 | $7700.00 | Window Closed / Lapsed |