US5093059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the transport of a homogeneous mixture of chopped fibers
Assignee: ABB Robotics Inc
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Filing: 1991-01-18
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Granted: 1992-03-03
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Expires: 2011-01-18
Abstract
Abstract A method and apparatus are disclosed for the transport of a homogeneous mixture of chopped fibers, wherein the fibers remain in a homogeneously mixed condition during their transport from a chopper gun to a workpiece, by use of two transvector apparatus placed in series with a conduit attached therebetween.
Inventors
- 👤 Nazim S. Nathoo
- 👤 Hans O. Hjertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:21
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/70; D04H1/72; B; B05; B05B; B05B7/00; B05B7/14; B05B7/1481; B05B7/1486; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29C70/305
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
289 words
A method for the transport of a homogeneous mixture of chopped fibers from chopped fiber generation means to a workpiece, said method comprising the steps of: providing: first flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said chopped fiber generation means, said outlet opening capable of discharging said chopped fibers in an accelerated manner therethrough, conduit means having an inlet opening and an outlet opening in fluid communication with aid inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said first flow amplification means, said outlet opening capable of discharging said chopped fibers therethrough, and second flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said conduit means, said outlet opening capable of discharging said fibers in an accelerated homogeneous manner therefrom, establishing chopped fiber flow from said chopped fiber generation means sequentially through said first flow amplification means, conduit means and second flow amplification means by providing a compressed air supply means for the supply of compressed air to compressed air openings defined in each of said flow amplification means, and adjusting the pressure of said compressed air supplied to said compressed air openings of said first flow amplification means from about 2 to about 4 times the pressure of said compressed air supplied to said compressed air openings of said second flow amplification means, said chopped fibers flowing in an accelerated homogeneous manner from said outlet of said second flow amplification means toward said workpiece.
Claim 2
Independent Claim
289 words
A method for the transport of a homogeneous mixture of chopped fibers from chopped fiber generation means to a workpiece, said method comprising the steps of: providing: first flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said chopped fiber generation means, said outlet opening capable of discharging said chopped fibers in an accelerated manner therethrough, conduit means having an inlet opening and an outlet opening in fluid communication with aid inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said first flow amplification means, said outlet opening capable of discharging said chopped fibers therethrough, and second flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said conduit means, said outlet opening capable of discharging said fibers in an accelerated homogeneous manner therefrom, establishing chopped fiber flow from said chopped fiber generation means sequentially through said first flow amplification means, conduit means and second flow amplification means by providing a compressed air supply means for the supply of compressed air to compressed air openings defined in each of said flow amplification means, and adjusting the pressure of said compressed air supplied to said compressed air openings of said first flow amplification means from about 2 to about 4 times the pressure of said compressed air supplied to said compressed air openings of said second flow amplification means, said chopped fibers flowing in an accelerated homogeneous manner from said outlet of said second flow amplification means toward said workpiece.
Claim 3
Independent Claim
277 words
A method for the transport of a homogeneous mixture of chopped fibers from chopped fiber generation means to a workpiece, said method comprising the steps of: providing: first flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said chopped fiber generation means, said outlet opening capable of discharging said chopped fibers in an accelerated manner therethrough, conduit means having an inlet opening and an outlet opening in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said first flow amplification means, said outlet opening capable of discharging said chopped fibers therethrough, and second flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said conduit means, said outlet opening capable of discharging said fibers in an accelerated homogeneous manner therefrom, establishing chopped fiber flow from said chopped fiber generation means sequentially through said first flow amplification means, conduit means and second flow amplification means by providing a compressed air supply means for the supply of compressed air to compressed air openings defined in each of said flow amplification means, and adjusting the volume of compressed air supplied to said first flow amplification means from about one-fifteenth to about one-fortieth the total air flow through said inlet opening of said second flow amplification means, said chopped fibers flowing in accelerated homogeneous manner from said outlet of said second flow amplification means toward said workpiece.
Claim 4
Independent Claim
277 words
A method for the transport of a homogeneous mixture of chopped fibers from chopped fiber generation means to a workpiece, said method comprising the steps of: providing: first flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said chopped fiber generation means, said outlet opening capable of discharging said chopped fibers in an accelerated manner therethrough, conduit means having an inlet opening and an outlet opening in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said first flow amplification means, said outlet opening capable of discharging said chopped fibers therethrough, and second flow amplification means having an inlet opening and an outlet opening placed in fluid communication with said inlet opening, said inlet opening capable of receiving said chopped fibers from said outlet opening of said conduit means, said outlet opening capable of discharging said fibers in an accelerated homogeneous manner therefrom, establishing chopped fiber flow from said chopped fiber generation means sequentially through said first flow amplification means, conduit means and second flow amplification means by providing a compressed air supply means for the supply of compressed air to compressed air openings defined in each of said flow amplification means, and adjusting the volume of compressed air supplied to said first flow amplification means from about one-fifteenth to about one-fortieth the total air flow through said inlet opening of said second flow amplification means, said chopped fibers flowing in accelerated homogeneous manner from said outlet of said second flow amplification means toward said workpiece.
Claim 5
Dependent Claim
70 words
The method of claim 2 wherein the supply of compressed air to compressed air openings in each of said flow amplification means is adjusted so that the pressure of said compressed air supplied to said compressed air openings of said first flow amplification means is from about 2 to about 4 times the pressure of said compressed gas supplied to said compressed air openings of said second flow amplification means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-03-03 | 1995-09-02 | 1996-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-03-03 | 1999-09-02 | 2000-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-03-03 | 2003-09-02 | 2004-03-03 | $7700.00 | Window Closed / Lapsed |