发明名称 |
APPARATUS FOR VENTILATING FABRIC USED TO MAKE POCKETED SPRINGS AND METHOD OF MAKING STRINGS OF POCKETED SPRINGS |
摘要 |
An apparatus for ventilating a web of material used in the manufacture of pocketed springs may be removably attached to a pocket coiler. The apparatus has an upper movable portion which pivots relative to a stationary portion. The stationary portion may be removably attached to the pocket coiler. Each portion has at least one roller, a web of material passing between the rollers during use. One of the rollers may have protrusions to create openings in the material before the material enters the pocket coiler. |
申请公布号 |
EP3110292(A1) |
申请公布日期 |
2017.01.04 |
申请号 |
EP20150754854 |
申请日期 |
2015.02.24 |
申请人 |
L&P Property Management Company |
发明人 |
BRUNNERT, John J.;HULL, John E.;KRTEK, Richard A.;RICHMOND, Darrell A. |
分类号 |
A47C23/04 |
主分类号 |
A47C23/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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