Patent US3713799A successfully refreshed from Google Patents.
US3713799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for conveying glass sheets through adjacent bending and tempering stations
Assignee: Guardian Industries Corp
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Filing: 1971-04-12
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Granted: 1973-01-30
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Expires: 1991-04-12
Abstract
Abstract An apparatus for curving a sheet of glass including a furnace having an elongated gas support bed for supporting sheets of glass thereover, conveying means for moving a sheet from the first end to the second end of the bed, a bending station disposed adjacent the second end of the bed and including a sheet supporting surface for supporting a sheet of glass on gases thereover, a shuttle means for moving a sheet of glass from the second end of the bed to the gas supporting surface in the bending station, a blasthead adjacent the bending station for impinging fluid against opposite sides of the sheet for cooling thereof, oscillating means in the blasthead for oscillating a sheet therein, and unitary frame means for lifting a sheet from the gas supporting surface in the bending station for bending the sheet and for thereafter moving the sheet into the blasthead while at the same time removing a sheet from the oscillating means in the blasthead to remove the sheet from the blasthead. The independently novel features of the conveying assembly are the shuttle means and its specific structure for moving a sheet of glass from the furnace to the bending station, the single unitary frame means for supporting a sheet in the bending station and moving it into the blasthead while simultaneously removing a sheet from the blasthead, the unique support of the forming surface means in the bending station against which a sheet is pressed for curving thereof, and an oscillating means in the blasthead for removing a sheet from the frame means and oscillating the sheet in the blasthead while it is being cooled.
Inventors
- 👤 Master H Mc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:54
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/044; C03B27/0442; C03B23/00; C03B23/02; C03B23/023; C03B23/03; C03B29/00; C03B29/04; C03B29/06; C03B29/08; C03B29/12; C03B35/00; C03B35/14; C03B35/20; C03B35/202; C03B35/22; C03B35/24; C03B2225/00; C03B2225/02
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
144 words
An apparatus for bending a sheet of material comprising: a support structure, a sheet bending station including at least one forming surface means, a blasthead disposed adjacent said bending Station for impinging fluid on sheets, frame means for pressing a sheet vertically upward against said forming surface means to bend the sheet, and lift means for raising said forming surface means after a sheet has been pressed thereagainst to allow said frame means to move generally horizontally away and into said blasthead, at least one support beam connected to said forming surface means adjacent one end thereof and extending generally horizontally to a second end, said second end being operatively connected to said support structure for pivotal movement relative thereto, said lift means being operatively connected to and extending generally upwardly from said forming surface means and being operatively connected to said support structure.
Claim 2
Independent Claim
144 words
An apparatus for bending a sheet of material comprising: a support structure, a sheet bending station including at least one forming surface means, a blasthead disposed adjacent said bending Station for impinging fluid on sheets, frame means for pressing a sheet vertically upward against said forming surface means to bend the sheet, and lift means for raising said forming surface means after a sheet has been pressed thereagainst to allow said frame means to move generally horizontally away and into said blasthead, at least one support beam connected to said forming surface means adjacent one end thereof and extending generally horizontally to a second end, said second end being operatively connected to said support structure for pivotal movement relative thereto, said lift means being operatively connected to and extending generally upwardly from said forming surface means and being operatively connected to said support structure.
Claim 3
Independent Claim
144 words
An apparatus for bending a sheet of material comprising: a support structure, a sheet bending station including at least one forming surface means, a blasthead disposed adjacent said bending Station for impinging fluid on sheets, frame means for pressing a sheet vertically upward against said forming surface means to bend the sheet, and lift means for raising said forming surface means after a sheet has been pressed thereagainst to allow said frame means to move generally horizontally away and into said blasthead, at least one support beam connected to said forming surface means adjacent one end thereof and extending generally horizontally to a second end, said second end being operatively connected to said support structure for pivotal movement relative thereto, said lift means being operatively connected to and extending generally upwardly from said forming surface means and being operatively connected to said support structure.
Claim 4
Independent Claim
144 words
An apparatus for bending a sheet of material comprising: a support structure, a sheet bending station including at least one forming surface means, a blasthead disposed adjacent said bending Station for impinging fluid on sheets, frame means for pressing a sheet vertically upward against said forming surface means to bend the sheet, and lift means for raising said forming surface means after a sheet has been pressed thereagainst to allow said frame means to move generally horizontally away and into said blasthead, at least one support beam connected to said forming surface means adjacent one end thereof and extending generally horizontally to a second end, said second end being operatively connected to said support structure for pivotal movement relative thereto, said lift means being operatively connected to and extending generally upwardly from said forming surface means and being operatively connected to said support structure.
Claim 5
Independent Claim
139 words
An apparatus for bending a sheet of material including at least one forming surface means, heating means establishing a heated environment about said forming surface means, frame means for pressing a sheet against said forming surface means to bend the sheet, a support structure, at least one beam supporting said forming surface means adjacent a first end thereof and extending generally horizontally away from said forming surface means to a second end thereof, said beam extending from said forming surface means exteriorly of said heated environment to said second end thereof, and adjustment means for adjusting the position of said forming surface means in any direction, said adjustment means including first and second means operatively interconnecting said second end of said beam and said support structure for respectively changing the vertical and horizontal positions of said forming surface means.
Claim 6
Independent Claim
139 words
An apparatus for bending a sheet of material including at least one forming surface means, heating means establishing a heated environment about said forming surface means, frame means for pressing a sheet against said forming surface means to bend the sheet, a support structure, at least one beam supporting said forming surface means adjacent a first end thereof and extending generally horizontally away from said forming surface means to a second end thereof, said beam extending from said forming surface means exteriorly of said heated environment to said second end thereof, and adjustment means for adjusting the position of said forming surface means in any direction, said adjustment means including first and second means operatively interconnecting said second end of said beam and said support structure for respectively changing the vertical and horizontal positions of said forming surface means.
Claim 7
Dependent Claim
16 words
An apparatus as set forth in claim 2 including a pair of said spaced support beams.
Claim 8
Dependent Claim
29 words
An apparatus as set forth in claim 3 including third means connected to and extending generally upwardly from said forming surface means and operatively connected to said support structure.
Claim 9
Dependent Claim
26 words
An apparatus as set forth in claim 4 including lift means interconnecting said third means and said support structure for selectively raising said forming surface means.
Claim 10
Dependent Claim
80 words
An apparatus as set forth in claim 5 wherein each support beam is rotatably supported on a generally horizontal stub shaft and including means to adjust the position of said support beams axially of said stub shafts, at least a portion of said first and second means interconnecting said stub shafts and said support structure so that the vertical position of said stub shafts may be adjusted in a direction which is perpendicular to the axis of said stub shafts.
Claim 11
Dependent Claim
53 words
An apparatus as set forth in claim 5 wherein said first and second means include a compound interconnecting each stub shaft and said support structure, each compound including a horizontally movable member and a first lead screw operatively coacting therewith, and a vertically movable member and a second lead screw operatively coacting therewith.
Claim 12
Dependent Claim
40 words
An apparatus as set forth in claim 7 wherein each stub shaft is connected to one of said support beams through a spherical bearing which allows each beam to move angularly relative to the axis of the associated stub shaft.
Claim 13
Dependent Claim
40 words
An apparatus as set forth in claim 8 wherein said third means includes a triangular shaped member having one apex thereof operatively connected to said forming surface means and the other two apexes thereof operatively connected to said support structure.
Claim 14
Dependent Claim
18 words
An apparatus as set forth in claim 9 wherein each apex is operatively connected through a spherical bearing.
Claim 15
Dependent Claim
24 words
An apparatus as set forth in claim 9 wherein said first means includes means for changing the vertical position of said triangular shaped member.
Claim 16
Dependent Claim
28 words
An apparatus as set forth in claim 9 wherein said lift means interconnects said triangular shaped member and said support structure for selectively raising said forming surface means.
Claim 17
Dependent Claim
47 words
An apparatus as set forth in claim 12 wherein said lift means includes a lift shaft rotatably supported on said support structure, a pair Of lift arms extending from said shaft and operatively connected to said two apexes respectively, and means for selectively rotating said lift shaft.
Claim 18
Dependent Claim
58 words
An apparatus as set forth in claim 13 wherein said means for rotating said lift shaft includes a lever connected to said lift shaft for rotating the latter, a fluid actuated cylinder-piston supported on said support structure with said piston being operatively connected to said lever for vertically moving said forming surface means between raised and lowered positions.
Claim 19
Dependent Claim
42 words
An apparatus as set forth in claim 14 including an adjustable stop means disposed on said support structure to engage said lever to limit movement thereof and for changing the vertical position of said forming surface means when in said lowered position.
Claim 20
Dependent Claim
29 words
An apparatus as set forth in claim 15 including biasing means reacting between said support structure and said lever to urge said forming surface means to said lowered position.
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) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |