Method and apparatus for inspection of paper bobbins
AssigneeR.J. Reynolds Tobacco Company
InventorBalager Ademe
Life of this patent
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Abstract
An apparatus adapted to examine a paper web includes a rotatable first bobbin, a rotatable second bobbin, and a first testing device. The first bobbin has a paper we wound thereabout that has transverse bands spaced apart along a length thereof. The second bobbin is arranged to receive the paper web from the first bobbin with a paper web path defined between the first and second bobbins. The first testing device is disposed along the paper web path and is arranged to nondestructively measure a diffusivity of one of the transverse bands of the paper web.
Claims31
An apparatus adapted to examine a paper web, the apparatus comprising:
- a rotatable first bobbin configured to accept a paper web, the paper web having transverse bands spaced apart along a length thereof;
- a rotatable second bobbin arranged to receive the paper web from the first bobbin with a paper web path defined between the first and second bobbins;
- and
- a first testing device disposed along the paper web path and arranged to nondestructively measure a diffusivity of one of the transverse bands of the paper web.
An apparatus adapted to examine a paper web, the apparatus comprising:
- a rotatable first bobbin configured to accept a paper web, the paper web having transverse bands spaced apart along a length thereof;
- a rotatable second bobbin arranged to receive the paper web from the first bobbin with a paper web path defined between the first and second bobbins;
- a first testing device disposed along the paper web path and arranged to nondestructively measure a property of one of the transverse bands of the paper web;
- and
- a drive system comprising:
- a first motor arranged to rotate the first bobbin;
- and
- a second motor arranged to rotate the second bobbin, the first and second motors reversible to reverse the progression of the paper web along the paper web path and to maintain a tension in the paper web.
A method of testing a paper web, the method comprising:
- advancing a paper web from a first bobbin to a second bobbin such that a band of the paper web is in registration with a first testing device positioned along a paper web path between the first and second bobbins;
- nondestructively measuring a diffusivity of the first band with the first testing device;
- and
- advancing the paper web to test a subsequent band when the diffusivity of the first band is within specification.
Dependencies are inferred from the claim text.