US3788211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple panel laminating press
Assignee: Individual
•
Filing: 1972-03-23
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Granted: 1974-01-29
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Expires: 1992-03-23
Abstract
Abstract A building panel laminating press including a base comprising a concrete filled case and carrying a fabricated platen with a flat top surface and vertical columns about its perimeter, a weighted head comprising a concrete filled case and carrying a fabricated platen with a flat bottom surface and slidably coupled with the columns, power driven jack means to shift the head vertically relative to the base and one or more intermediate fabricated platens with flat top and bottom surfaces in vertical spaced relationship between the head and base and supported for limited yieldingly vertical movement; each platen having tubes therein to conduct a heated fluid medium therethrough; and vertically extensible shiftable heat insulated shielding means about and between each adjacent pair of platens and having sides adapted to be manually shifted to open positions to provide access to between the platens.
Inventors
- 👤 W Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:05
CPC Classifications
B; B30; B30B; B30B7/00; B30B7/02; B30B15/00; B30B15/06; B30B15/062; B30B15/064
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
294 words
A press of the character referred to comprising a lower, fixed base assembly including a concrete filled lower case and a lower platen fixed to and carried by the lower case and including a heat conducting plate with an upwardly disposed work engaging surface and a lower surface and heating tubes in heat conducting contact with the lower surface of the plate, an upper vertically shiftable head assembly including a concrete filled upper case of predetermined mass, an upper platen fixed to and carried by the upper case and including a heat conducting plate with a downwardly disposed work engaging surface spaced above and opposing the upwardly disposed work engaging surface of the plate of the base and having an upper surface and heater tubes in heat conducting contact with the lower surface of the plate of said head, guide means to guide the head assembly including vertical columns fixed to and projecting upwardly from the base assembly, and guide parts fixed to the head assembly and slidably engaged with the columns, drive means to shift the head assembly vertically relative to the base assembly and including vertically extending jack means secured to the base assembly about the perimeter thereof Having described my invention, I engaging the head assembly to shift it vertically relative to the base assembly, said press further includes an intermediate platen including top and bottom heat conducting plates and with outer surfaces defining top and bottom work engaging surfaces opposing the upper and lower work engaging surfaces and opposed inner surfaces, heater tubes between and in heat conducting contact with the inner surfaces of the top and bottom plates, and support means to support said intermediate platen freely between the upper and lower platens for limited vertical movement relative thereto.
Claim 2
Dependent Claim
294 words
A press of the character referred to comprising a lower, fixed base assembly including a concrete filled lower case and a lower platen fixed to and carried by the lower case and including a heat conducting plate with an upwardly disposed work engaging surface and a lower surface and heating tubes in heat conducting contact with the lower surface of the plate, an upper vertically shiftable head assembly including a concrete filled upper case of predetermined mass, an upper platen fixed to and carried by the upper case and including a heat conducting plate with a downwardly disposed work engaging surface spaced above and opposing the upwardly disposed work engaging surface of the plate of the base and having an upper surface and heater tubes in heat conducting contact with the lower surface of the plate of said head, guide means to guide the head assembly including vertical columns fixed to and projecting upwardly from the base assembly, and guide parts fixed to the head assembly and slidably engaged with the columns, drive means to shift the head assembly vertically relative to the base assembly and including vertically extending jack means secured to the base assembly about the perimeter thereof Having described my invention, I engaging the head assembly to shift it vertically relative to the base assembly, said press further includes an intermediate platen including top and bottom heat conducting plates and with outer surfaces defining top and bottom work engaging surfaces opposing the upper and lower work engaging surfaces and opposed inner surfaces, heater tubes between and in heat conducting contact with the inner surfaces of the top and bottom plates, and support means to support said intermediate platen freely between the upper and lower platens for limited vertical movement relative thereto.
Claim 3
Dependent Claim
54 words
A press as set forth in claim 1 wherein said press is an elongate structure with opposite ends and opposite sides, said guide means and drive means being arranged at the opposite ends of the press whereby said opposite sides of the press are unobstructed for free access to the space between the platens.
Claim 4
Dependent Claim
67 words
A press as set forth in claim 1 wherein said cases include vertical side and end walls, laterally spaced, longitudinal beams extending between the end walls and projecting longitudinally outward from the end walls and a concrete filler within the confines of the wall and about the beams, said guide means and said drive means extending between and related to outwardly projecting end portions of the beams.
Claim 5
Dependent Claim
109 words
A structure as set forth in claim 1 wherein the upper and lower platens include frames with vertical side and end walls, mounting means securing the frames to their related concrete filled cases, means on said walls supporting said plates in spaced relationship with their related cases, a partition of heat insulating material within the frames between the plates and their related cases, a core of concrete between the partitions and their related cases, and a matrix of heat conducting cement between the plates and the partitions and through which the tubes extend, said end walls of the frames having openings through which end portions of the tubes extend.
Claim 6
Dependent Claim
176 words
A structure as set forth in claim 1 wherein the upper and lower platens include frames with vertical side and end walls, mounting means securing the frames to their related concrete filled cases, means on said walls supporting said plates in spaced relationship with their related cases, a partition of heat insulating material within the frames between the plates and their related cases, a core of concrete between the partitions and their related cases, and a matrix of heat conducting cement between the plates and the partitions and through which the tubes extend, said end walls of the frames having openings through which end portions of the tubes extend, an intermediate platen including top and bottom heat conducting plates with outer surfaces defining top and bottom work engaging surfaces opposing the upper and lower work engaging surfaces and with inner opposing surfaces, heater tubes between and in heat conducting contact with the opposing inner surfaces and support means to support said intermediate platen freely between the upper and lower platens for limited vertical movement relative thereto.
Claim 7
Dependent Claim
167 words
A press as set forth in claim 1 wherein said cases include vertical side and end walls, laterally spaced, longitudinal beams extending between the end walls and projecting longitudinally outward from the end walls and a concrete filler within the confines of the wall and about the beams, said guide means and said drive means extending between and related to outwardly projecting end portions of the beams, the upper and lower platens including frames with vertical side and end walls, mounting means securing the frames to their related concrete filled cases, means on said walls supporting said plates in spaced relationship with their related cases, a partition of heat insulating material within the frames between the plates and their related cases, a core of concrete between the partitions and their related cases, and a matrix of heat conducting cement between the plates and the partitions and through which the tubes extend, said end walls of the frames having openings through which end portions of the tubes extend.
Claim 8
Dependent Claim
69 words
A structure as set forth in claim 1 wherein said jack means includes elongate screws rotatably carried by the base assembly and threaded collars carried by the heat assembly and engaged with the screws, said construction further including a gear reduced reversible prime mover mounted above the head assembly in fixed relationship with the columns and power trains between the prime mover and the upper ends of the screws.
Claim 9
Dependent Claim
67 words
A structure as set forth in claim 7 wherein said cases include vertical side and end walls, laterally spaced, longitudinal beams extending between the end walls and projecting longitudinally outward from the end walls and a concrete filler within the confines of the wall and about the beams, said guide means and said drive means extending between and related to outwardly projecting end portions of the beams.
Claim 10
Dependent Claim
109 words
A structure as set forth in claim 7 wherein the upper and lower platens includes frames with vertical side and end walls, mounting means securing the frames to their related concrete filled cases, means on said frames supporting said plates in spaced relationship with their related cases, a partition of heat insulating material within the frames between the plates and their related cases, a core of concrete between the partitions and their related cases, and a matrix of heat conducting cement between the plates and the partitions and through which the tubes extend, said end walls of the frames having openings through which end portions of the tubes extend.
Claim 11
Dependent Claim
99 words
A press as set forth in claim 1 including heat shielding means about and between the platens and including upper plates or heat insulating material mounted adjacent each side of the upper platen and depending therefrom, lower plates of heat insulating material mounted adjacent each side of the lower platens and projecting upwardly therefrom and establishing sliding sealing engagement with the upper plates related thereto, the upper and lower plates at one side of the platen being hingedly mounted whereby said plates can be pivoted outwardly relative to the platens to provide access to the space between the platens.
Claim 12
Dependent Claim
106 words
A press as set forth in claim 1 including heat shielding means about and between the platens and including upper plates or heat insulating material mounted adjacent each side of the upper platen and depending therefrom, lower plates of heat insulating material mounted adjacent each side of the lower platen anD projecting upwardly therefrom and establishing sliding sealing engagement with the upper plates related thereto, and upper and lower plates at diametrically opposite sides of the platen being hingedly mounted whereby said plates can be pivoted outwardly relative to the platens to provide access to the space between the platens from opposite sides of the press.
Claim 13
Dependent Claim
129 words
A press as set forth in claim 1 including an intermediate platen yieldingly supported in spaced relationship between the upper and lower platens, heat shielding means about and between each adjacent pair of platens and including upper plates of heat insulating material mounted adjacent each side of the upper platen of each related pair of platens and depending therefrom, lower plates of heat insulating material mounted adjacent each side of the lower platen of each adjacent pair of platens and projecting upwardly therefrom and establishing sliding sealing engagement with the upper plates related thereto, the upper and lower plates at one side of the press being hingedly mounted whereby said plates can be pivoted outwardly relative to the press to provide access to the space between their related platens.
Claim 14
Dependent Claim
136 words
A press as set forth in claim 1 including an intermediate platen yieldingly supported in spaced relationship between the upper and lower plates, heat shielding means about and between each adjacent pair of platens and including upper plates of heat insulating material mounted adjacent each side of the upper platen of each related pair of platens and depending therefrom, lower plates of heat insulating material mounted adjacent each side of the lower platens of each adjacent pair of platens and projecting upwardly therefrom and establishing sliding sealing engagement with the upper plates related thereto, the upper and lower plates at diametrically opposite sides of the press being hingedly mounted whereby said plates can be pivoted outwardly relative to the press to provide access to the space between their related platens from opposite sides of the press.
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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |