High speed tail sealing apparatus

Details High speed tail sealing apparatus High speed tail sealing apparatus

Filed on

1985-09-18

Date issued

1987-09-15

Examiner

Simmons, David

Patent Class

Adhesive bonding and miscellaneous chemical manufacture

SubClass

Methods

SubSubClass

Surface bonding and/or assembly therefor

Other Related Categories

156357, 156361, 156191, 156446, B65H 8100

Type

Patent

Status

active

Patent number

046937668

Description

ABSTRACT:
A high speed apparatus for sealing the tail of a wound roll of sheet material. A pair of parallel rotatable rollers define a tail separation station and a tail wind-up station that are disposed longitudinally along the length of the rollers. An entry station is located parallel to the tail separating station and a pivotable kicker is positioned to engage a roll at an over-center position to impart rotation to the roll and transfer the roll to the tail separation station. Air jets located at the tail separation station act to separate the tail from the body of the roll. The separated tail is drawn across a supporting surface and a sensor associated with the surface senses the end of the tail and acts to stop rotation of the rollers. As rotation of the roll stops, the separated tail falls onto a generally horizontal apron and the roll with the separated tail supported on the apron is then moved longitudinally along the non-rotating rollers to the wind-up station. As the roll is moved to the wind-up station, a bead of adhesive is applied to the separated tail by a pressurized nozzle disposed at an acute angle to the tail. The pressurized adhesive imparts a horizontal component of velocity to the tail to prevent the tail from folding over as it is moved to the wind-up station. At the wind-up station the roll is rotated to wind the separated tail back onto the body of the roll.

REFERENCES:
patent: 1988255 (1935-01-01), Soons
patent: 3044532 (1962-07-01), Ghisoni
patent: 3134706 (1964-05-01), Alexander
patent: 3637154 (1972-01-01), Northup
patent: 4299642 (1981-11-01), Berkholtz

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