Heating platen press
阅读：545发布：2022-09-13
专利汇可以提供Heating platen press专利检索，专利查询，专利分析的服务。并且Heating platen presses provided with spacer structure for determining the thickness to which the work material is pressed. Such platen press normally includes a stationary base and a movable press assembly coacting with the base to compress the work material. In order to determine the thickness to which the work material is compressed, so as to form chipboard, shavings board, fiberboard, or other composition board of selected thickness, spacer means of a suitable thickness is provided. In order that there may be no error in the use of a particular spacer means a testing means is provided for testing the thickness of the particular spacer means which is used.，下面是Heating platen press专利的具体信息内容。
1. In a heating platen press, a stationary base and a movable press assembly coacting therewith, interchangeable spacer means coacting with said base and movable assembly for determining the thicKness to which the work material is pressed, and testing means coacting with said spacer means for testing the thickness thereof, said testing means including an electrical code system which responds or does not respond depending upon whether or not proper spacer means are used.
2. The combination of claim 1 and wherein said spacer means includes a plurality of spacer plates each having along one edge an elongated strip formed with notches and forming part of said testing means, the latter including a limit switch having a plurality of switch-actuating members coacting with said notches and with the projections of said strip remaining between the said notches to provide a signal in the event that an improper spacer plate has been used.
3. The combination of claim 1 and wherein said spacer means includes a plurality of spacer plates each formed with a series of bores extending partly through said spacer plate from one side thereof, a spacer member supporting each spacer plate and having a series of switch members extending upwardly from said spacer member to be received in said bores of said spacer plate, said switch members and bores forming said testing means and coacting so that if the switch members do not match with said bores to be received therein, at least one of the switch members will be actuated to give a signal that an improper spacer plate is used.
4. In a heating platen press, a stationary base and a movable press assembly coacting therewith, interchangeable spacer means coacting with said base and movable assembly for determining the thickness to which the work material is pressed, testing means coacting with said spacer means for testing the thickness thereof, a second spacer means provided to be interchanged with the first-mentioned spacer means, a pair of parallelogram linkages respectively coacting with the two spacer means, and a pair of drives respectively actuating the latter to replace one of the spacer means with the other.
5. The combination of claim 4 and wherein a support means is provided for the second spacer means for holding the latter at the same elevation as the first-mentioned spacer means if in readiness to be interchanged therewith.
6. The combination of claim 5 and wherein said testing means is situated at least in part at said support means for said second spacer means for testing the latter.
7. The combination of claim 5 and wherein one of said parallelogram linkage means has links longer than the other and the pivot axes of the links of both said parallelogram linkages being parallel but situated at different elevations while being longitudinally offset.
8. The combination of claim 4 and wherein a plurality of said drives and parallelogram linkages are distributed about the press with one set of drives and linkages being situated along each longer side of the press.
9. The combination of claim 4 and wherein each drive means includes a pneumatic piston-and-cylinder assembly and a lever actuated thereby operatively connected to a parallelogram linkage for actuating the latter.
10. The combination of claim 1 and wherein said spacer means includes a plurality of spacer plates, and a positioning means coacting with each plate for properly positioning the latter, said positioning means including centering pins and elements formed with openings to receive said pins.
11. The combination of claim 10 and wherein the openings which receive said pins have a depth greater than the length of the pins.
12. The combination of claim 1 and wherein said spacer means includes a plurality of spacer plates, and means fixed with said plates for facilitating the carrying and transportation thereof.
13. The combination of claim 1 and wherein the press includes tension columns and a drive piston therebetween and said spacer means including a plurality of spacer plates, a plurality of spacer members being provided for supporting said plates at locations between said columns along the axis of said piston.
14. The combiNation of claim 13 and wherein each spacer plate has a rectangular configuration and a ratio between its length and width which is smaller than 3:1, preferably smaller than 2:1, the length of each spacer plate being determined by the distance between the tension columns and the width thereof being determined by the diameter of the driving piston.
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