Control of sheet opacity

Details Control of sheet opacity Control of sheet opacity

1989-12-18

1991-11-26

Smith, Jerry

Boots, shoes, and leggings

162198, 162224, 162225, 162DIG10, G06F 1546

Patent

active

050687964

ABSTRACT:
A method to control the opacity of sheet formed of nonwoven material involves providing a computer with a steam pressure measurement from each of two steam heated palmer bonders. One pressure sensor from the first bonder drum and one from the second bonder drum provide signals used to control steam pressure and thus temperature of each bonder drum's surface. A signal indicating temperature of the surface of each drum and a measurement of speed are also collected by the computer/controller. The fundamental control signal is provided to the computer from an opacity sensor device which is compared to an opacity aim and then steam pressure to the bonder drum is adjusted to minimize any error signal between opacity aim measured opacity.

REFERENCES:
patent: 3169899 (1965-02-01), Steuber
patent: 3442740 (1969-05-01), David
patent: 3790796 (1972-06-01), Brunton et al.
patent: 3847730 (1974-11-01), Doering
patent: 4019819 (1977-04-01), Lodzinski
patent: 4098641 (1978-07-01), Casey et al.
patent: 4707223 (1987-11-01), Sabater et al.

Affiliated with

Also associated with

Rating

Control of sheet opacity does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Control of sheet opacity, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Control of sheet opacity will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2389678