Apparatus For Ventilating Fabric Used To Make Pocketed Springs
US-2017182673-A1 · Jun 29, 2017 · US
Method of making strings of pocketed springs
US9764939B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9764939-B2 |
| Application number | US-201514629580-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 24, 2015 |
| Priority date | Feb 26, 2014 |
| Publication date | Sep 19, 2017 |
| Grant date | Sep 19, 2017 |
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Abstract
Official abstract text for this publication.
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.
First claim
Opening claim text (preview).
We claim: 1. A method of making a continuous string of pocketed springs, said method comprising: providing a pocket coil machine; providing a ventilation apparatus, the ventilation apparatus having a first portion secured to the pocket coil machine and a second portion pivotal relative to the first portion to allow access inside the ventilation apparatus; passing a web of material between two rollers, one of the rollers being mounted in the first portion of the ventilation app…
Assignees
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Operations & Transport · mapped topic
- B68G9/00Primary
Operations & Transport · mapped topic
Cross-Sectional Technologies · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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Frequently asked questions
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- What does patent US9764939B2 cover?
- 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…
- Who is the assignee on this patent?
- L&P Property Man Co
- What technology area does this patent fall under?
- Primary CPC classification B68G9/00. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Sep 19 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).