Variable length festooning of web material专利检索-断裂带地热能专利检索查询-专利查询网

Variable length festooning of web material

阅读：649发布：2020-12-31

专利汇可以提供Variable length festooning of web material专利检索，专利查询，专利分析的服务。并且Variable length storage of running length material between stations in a web handling or processing line in which storage of the self-supporting portion of the variable length is nearly constant in length independent of the total length of the stored loop. The sides of the stored variable length loop are held against the respective surfaces of a pair of opposed and nearly vertical endless belts each of which belt is drivable in a direction generally opposite to that of the other belt. Each belt is driven independently of the other belt by drive means at least one of which is controlled in response to a pair of sensors respectively detecting the predetermined maximum and minimum extents of the length of the stored loop. In the particular and proximate utility of the invention, the web being handled comprises bias-cut wire fabric breaker belt stock for use in pneumatic tires. The respective sides of the variable length loop are held against the associated surfaces of the belts to insure movement of the web together therewith by a plurality of magnets arranged to act through the belt.，下面是Variable length festooning of web material专利的具体信息内容。

权利要求

1. The method of festooning web material comprising holding two sides of a variable length loop of said material each side against a movable support, whereby the self-supporting portion of the loop remains at least approximately constant in length independently of variations in the total length of such loop; each said support being at least approximately parallel to and movable along a path in a direction opposite with respect to the other said support.

2. The method as claimed in claim 1, said support and the respectively associated side being held at least approximately vertical in orientation.

3. The method as claimed in claim 1, wherein said web comprises magnetically attractable material and said holding is effected by magnetic force.

4. The method as claimed in claim 3, wherein said magnetic force is applied along a length of said support at least equal to the maximum length of said side supported thereby.

5. The method as claimed in claim 4, said support comprising an endless flexible non-magnetic belt and said magnetic force being exerted through said belt.

6. The method as claimed in claim 1, further comprising regulating the rate of movement of one of said supports with respect to the other thereof in response to variation in total length of web contained in such loop.

7. Apparatus for festooning a web in a variable length loop thereof having opposing sides and a self-supporting portion therebetween comprising a pair of movable supports each support being engageable with a respectively associated side of said loop to move such side therewith; each said support being at least approximately parallel to, and movable along a path in a direction opposite with respect to, the other thereof; whereby said self-supporting portion remains at least approximately constant in length independent of variations in the total length of said loop.

8. Apparatus as claimed in claim 7, said support comprising an endless flexible carrier, a plurality of rolls supporting siad carrier within the loop thereof.

9. Apparatus as claimed in claim 7, wherein said carrier is a non-magnetic belt.

10. Apparatus as claimed in claim 7, further comprising means urging said web toward engagement with at least one of said supports.

11. Apparatus as claimed in claim 10, wherein said means for urging said web comprising a plurality of magnets affixed along said path for acting through said support.

12. Apparatus as claimed in claim 7, said supports being oriented at least approximately vertical.

13. Apparatus as claimed in claim 7, comprising first and second driving means operable respectively to move said supports independently of each other.

14. Apparatus as claimed in claim 13, including a plurality of sensors disposed along said path, each sensor being operable to detect presence and absence of said loop thereat.

15. Apparatus as claimed in claim 13, including regulating means connected to regulate one of said first and second drive means in response to at least two of said sensors.

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Variable length festooning of web material

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