Laminated building boards专利检索-运动探测器传感器与探测器专利检索查询-专利查询网

Laminated building boards

阅读：574发布：2023-08-02

专利汇可以提供Laminated building boards专利检索，专利查询，专利分析的服务。并且A device for sensing the foam-filled gap between successive discrete bottom facing sheets of a moving continuous foam laminate, the device comprising a long reference feeler and a short penetrating feeler spring against and monitoring the under surface of the laminate, the penetrating feeler being adapted to spring upwardly into the foam-filled gap thereby moving relatively to the reference feeler, means for detecting such relative motion and, after a predetermined delay, for actuating cross-cutting means for cutting the foam in register with the ends of the discrete bottom facing sheets.，下面是Laminated building boards专利的具体信息内容。

权利要求

1. A device for sensing discontinuity and unacceptable unevenness of the under-surface of a substantially flat, substantially rigid, moving article, the device comprising substantially parallel first and second arms sprung against the moving under-surface of the article, a fulcrum about which one end of each of the arms is pivotable independently of the other, a relatively long and thin reference feeler, provided at the other end of the first arm, a very short and thin penetrating feeler being provided at the other end of the second arm, means for holding both the feelers sprung against, and thereby continuously to monitor, the moving under-surface of the article, so that when a discontinuity and unacceptable unevenness in the under-surface is encountered the reference feeler and the penetrating feeler, and the two arms, are caused to move relatively to each other, means for detecting such relative motion, cutting means adapted to cut through the article, responsive to detection of such relative motion, substantially transversely to the direction in which the article is moving.

2. A device as claimed in claim 1, wherein said article is a continuous foam laminate with discrete bottom facing sheets, successive sheets being separated from each other by a foam-filled gap.

3. A device as claimed in claim 1, wherein said article is a continuous foam laminate with discrete bottom facing sheets, successive sheets being overlapped with respect to each other.

4. A device as claimed in claim 1, wherein said article is a continuous foam laminate with discrete bottom facing sheets, successive sheets being underlapped with respect to each other.

5. A device as claimed in claim 1, wherein said means for detecting relative motion between the two arms comprises an inductive proximity limit switch.

6. A device as claimed in claim 1, wherein said means for detecting relative motion between the two arms comprises a microswitch.

7. A device as claimed in claim 1, wherein the penetrating feeler is more strongly sprung than the reference feeler against the under-surface of the moving article in order to accentuate relative motion between the arms.

8. A device as claimed in claim 1, including means for delaying, to a predetermined degree, the cutting action of the cutting means after detection of relative motion between the arms, so that the moving article is cut at a predetermined point.

9. A device as claimed in claim 8, including means responsive to the detection of relative motion between the arms for clamping the saw or like cutting means to the moving article so that the cutting means moves with the article up to the predetermined point and for thereupon causing it to cut the article.

10. A device as claimed in claim 9, including means for subsequently unclamping the cutting means, retracting it and returning it to its original position.

11. A device as claimed in claim 8, wherein the delaying means is integrally incorporated in the means for detecting relative motion between the arms.

12. A device as claimed in claim 8, wherein the delaying means comprises means for altering the position of the feelers relative to the predetermined cutting point.

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Laminated building boards

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