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Class 493/265 - And drying


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus wherein the bonding material, as applied
No. of patents: 10
Last issue date: 01/29/2008


NumberTitleIssue Date
7322921Method of forming a bag
A bag having a tamper evident closure and methods of forming the same are provided. The bag has a tube body with a front wall and a back wall positioned between a first end and a second end. A back flap extension member connects to and extends outwardly from the sec...
01/29/2008
6273470Slip resistant file folders
Easily and securely gripped slip-resistant file folders including file pockets and hanging folders. The folders comprise a front flap having a top edge, a rear flap connected to the front flap by a folder bottom, the rear flap also having a top edge. A sl...
08/14/2001
4626236Apparatus for separating bag ends during manufacture
A pair of specially designed suction wheels are preferably placed after the glue applicator on a known pinch bottomer bag-making machine. During manufacture, paper bags are guided horizontally through the machine by a conveyor forming part of the machine....
12/02/1986
4493685Method of making tubular bag
In making a tubular bag, a first band of thermosetting glue is printed across the length of a web, and a second and third band of such glue is printed on the opposite side of the web in registry with the ends of the first band. The printed glue is then dr...
01/15/1985
4484432Bottom-folding packaging machine
Apparatus for packaging cigarettes, the apparatus comprising means for applying a strip of packaging material about a group of the articles to form a tube and folding and gluing the ends of the wrapper to define the package is provided with a plural stage...
11/27/1984
4464158Method of making tamperproof bag closure
A tamperproof bag is provided with closure means comprising a strip of microcapsules containing an adhesive core enclosed by a shell adapted to be broken by pressure application to release the adhesive contents. The microcapsules are applied to the bag by...
08/07/1984
4411643Double envelope and method of making same
A double envelope construction comprised of one envelope inside another envelope is formed in one pass on an envelope folding machine by providing a pre-cut envelope blank and a paper blank of smaller size than the envelope blank, adhering the paper blank...
10/25/1983
4134322Use of microencapsulated glue in the manufacture of envelopes
Envelopes having moistenable gum on the seal flap and back gum adhering the sides and bottom are manufactured by a process comprising applying a back gum to either the bottom flap or the side flaps in the form of microcapsules. When the bottom and side fl...
01/16/1979
4126948Envelope drying machine
This apparatus is used for drying the gummed flaps of envelopes and includes a drying wheel that rotates within an embracing plenum chamber from which hot air is directed across envelopes carried by the wheel. The wheel includes spaced discs having slots ...
11/28/1978
3990354Envelope making apparatus
Envelope making apparatus including a frame and conveyor means on said frame for transporting envelope blanks along a path. Stations distributed along this conveyor means form an envelope blank into an envelope structure comprising a body and at least one...
11/09/1976
 
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