Patent US4263033A successfully refreshed from Google Patents.
US4263033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for collecting mineral fibers
Assignee: Owens Corning Fiberglas Technology Inc
•
Filing: 1979-12-26
•
Granted: 1981-04-21
•
Expires: 1999-12-26
Abstract
Abstract A method and apparatus for collecting mineral fibers comprises a moving surface for receiving a flow of fibers, sensing means for sensing the speed of said moving surface, control means for generating a signal in response to the sensed speed of the moving surface, and means for intermittently directing gases into the flow of mineral fibers in response to the signal.
Inventors
- 👤 Jan K. Michalek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:20
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/048; D; D04; D04H; D04H1/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
82 words
Apparatus for collecting mineral fibers comprising: a moving surface for receiving a flow of mineral fibers; sensing means for sensing the speed of said moving surface and generating a voltage signal therefrom; a voltage-to-frequency converter for generating a pulse signal in response to said voltage signal; duty ratio control means for controlling the duration of each pulse during each cycle of said pulse signal; and means for intermittently directing gases into the flow of mineral fibers in response to said pulse signal.
Claim 2
Dependent Claim
82 words
Apparatus for collecting mineral fibers comprising: a moving surface for receiving a flow of mineral fibers; sensing means for sensing the speed of said moving surface and generating a voltage signal therefrom; a voltage-to-frequency converter for generating a pulse signal in response to said voltage signal; duty ratio control means for controlling the duration of each pulse during each cycle of said pulse signal; and means for intermittently directing gases into the flow of mineral fibers in response to said pulse signal.
Claim 3
Dependent Claim
31 words
The apparatus of claim 1 in which said duty ratio control means is adapted to enable the pulse duration percentage of the pulse signal to be preselected in increments of 1%.
Claim 4
Dependent Claim
93 words
Apparatus for collecting mineral fibers comprising: a moving conveyor for receiving mineral fibers from two or more veils of mineral fibers; sensing means for sensing the speed of said conveyor and generating a voltage signal therefrom; a voltage-to-frequency converter for generating a pulse signal, the frequency of said pulse signal being in response to said voltage signal; duty ratio control means for controlling the duration of each pulse during each cycle of said pulse signal; and means for intermittently directing gases into said veils of mineral fibers in response to said pulse signal.
Claim 5
Dependent Claim
93 words
Apparatus for collecting mineral fibers comprising: a moving conveyor for receiving mineral fibers from two or more veils of mineral fibers; sensing means for sensing the speed of said conveyor and generating a voltage signal therefrom; a voltage-to-frequency converter for generating a pulse signal, the frequency of said pulse signal being in response to said voltage signal; duty ratio control means for controlling the duration of each pulse during each cycle of said pulse signal; and means for intermittently directing gases into said veils of mineral fibers in response to said pulse signal.
Claim 6
Dependent Claim
21 words
The apparatus of claim 3 in which said control means comprises means for dividing a frequency signal from pulses/second to pulses/minute.
Claim 7
Dependent Claim
17 words
The apparatus of claim 4 comprising means for indexing each 100th pulse from said means for dividing.
Claim 8
Dependent Claim
16 words
The apparatus of claim 5 in which said duty ratio control means comprises a pulse counter.
Claim 9
Independent Claim
57 words
The method for collecting mineral fibers comprising: directing a flow of mineral fibers onto a moving surface; sensing the speed of said moving surface with a tachometer to produce a voltage signal; generating a frequency signal in response to the voltage signal; intermittently directing gases into the flow of mineral fibers in response to said frequency signal.
Claim 10
Independent Claim
57 words
The method for collecting mineral fibers comprising: directing a flow of mineral fibers onto a moving surface; sensing the speed of said moving surface with a tachometer to produce a voltage signal; generating a frequency signal in response to the voltage signal; intermittently directing gases into the flow of mineral fibers in response to said frequency signal.
Claim 11
Independent Claim
83 words
The method for collecting a flow of mineral fibers comprising: directing two or more veils of mineral fibers onto A moving surface; sensing the speed of said moving surface with a tachometer to produce a voltage signal; generating a pulse signal, the frequency of said pulse signal being in response to said voltage signal; controlling the duration of each pulse during each cycle of said pulse signal; and intermittently directing gases into the veils of mineral fibers in response to said pulse signal.
Claim 12
Independent Claim
83 words
The method for collecting a flow of mineral fibers comprising: directing two or more veils of mineral fibers onto A moving surface; sensing the speed of said moving surface with a tachometer to produce a voltage signal; generating a pulse signal, the frequency of said pulse signal being in response to said voltage signal; controlling the duration of each pulse during each cycle of said pulse signal; and intermittently directing gases into the veils of mineral fibers in response to said pulse signal.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |