Manufacturing container or tube from paper; or other manufacturi – Bending – Pulling over an edge
Patent
1996-09-06
1998-11-17
Hail, III, Joseph J.
Manufacturing container or tube from paper; or other manufacturi
Bending
Pulling over an edge
312 341, 312 3419, B65H 1906
Patent
active
058368620
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to the technical sector of apparatus dispensing cellulose wadding, creped paper towels and towels of similar materials, especially those used for wiping the user's hands, toilet paper and paper napkins.
Apparatus with automatic cutoff devices dispensing hand-towels where the potential user seizes the paper band to obtain a length of paper for the usage referred to, thereby actuating a given operating cycle are commercially available.
Applicant himself has developed numerous paper dispensing apparatuses, and notably those described in French patent applications 9304082 and 9314609.
In these apparatuses, the paper band is cut across its entire unfolded width, thus retaining its original width. One of the original aspects of the dispensers described in the patents referred to earlier is its design, which, requiring only a reduced number of parts, allows rapid field installation with no special tools.
SUMMARY OF THE INVENTION
Summarily, the apparatus comprises a housing featuring lateral flanges formed such as to permit the rapid installation of a drum, its associated cutoff device and a tensioning device pressing down onto the drum, both parts locking in position automatically when pressed home and causing the paper band fed from a reel located in the upper housing to be tightened.
Applicant, within the general framework of his research into paper dispensing apparatuses has likewise developed an apparatus dispensing zigzag fold hand-towels, as notably described in French patent 2 632 292. This particular design uses sectional plates integral with the cover to prepare the paper band on the one hand and an additional appropriate twisting device locked onto the housing folding the length of paper pulled by the user and feeding it into a cassette-like device comprising reels mounted facing one another that, at a given moment, can cut the band folded into several plies to ensure its distribution in given lengths using an appropriate cutoff device. Folding the paper, it should be remembered, is useful only in case of thin, easily torn material requiring a minimum of three plies.
Such an apparatus will operate quite well in principle, but its manufacturing cost is high, especially because of the cutoff device.
Indeed, costs would cause the apparatus, though operationally perfectly reliable, to be priced out of the market.
Confronted with the problem, applicant has designed a simplified dispenser of folded paper bands with an automatic cutoff device.
Another problem was that up till now, the various automatic dispensers of folded or unfolded paper bands were of dissimilar design, requiring considerable investment in tooling to manufacture apparatus for each specific function.
Applicant's objective thus became the design of a basic apparatus capable of dispensing both folded and unfolded paper bands for multiple applications requiring a minimum of tooling changes, hence a minimum of investment, especially in moulds.
As a result of incompatible technologies, the combined contents of applicant's patents were in themselves insufficient to constitute an apparatus capable of performing the differing functions required.
Taking into account the requirements mentioned, applicant has designed an apparatus to dispense paper, cellulose wadding and similar materials and especially recycled paper used for napkins, hand-towels and toilet paper.
The benefit of the apparatus specified is its reduced number of parts, viz., a protective housing, a cover, a drum with an integrated cutoff device, a tensioning device, reel-holder device integral with the housing and a protective reel and reel drive belt as required, all such parts being made in plastic and described in French patents N 93.04082 and 93.14609 and to be mounted in a special way, the original aspect being the addition of a retractable device for preparing and feeding out the paper band folded or not, depending on the application.
Consequently, a single apparatus comprising seven or nine parts at most will, depending on whe
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Hail III Joseph J.
O'Jini Anthony
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