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Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Class 493/233 - Partial severance to form interconnected products


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus including piercing, ripping, or engaging
No. of patents: 28
Last issue date: 09/05/2006


NumberTitleIssue Date
7100348Continuous strip of detachably interconnected folded products
The invention relates to a continuous strip of detachable consecutive interconnected products manufactured by folding, such as envelopes and the like, and to a process for manufacturing the said strip, two of those consecutive products being interconnected through a...
09/05/2006
6832464Plastics packaging
A plurality of discrete packages (100) are manufactured from an indefinite length of gusseted packaging material (1). Each package (100) has an insert (9) inserted through an incision (8) in the packaging (1) which in use ma...
12/21/2004
6719679Perforation device
A perforation device for making roll of plastic bag with an opening and a perforation line on each bag, comprising a cutting unit, an anvil unit and a expanding board, wherein, the cutting unit involves a main unit whereto are fitted with a toothed blade and a speci...
04/13/2004
6673001Compact apparatus and system for creating and dispensing cushioning dunnage
A system for creating and dispensing cushioning dunnage is small and permits flexible installation configuration options for a single or multiple packing stations. A compact apparatus of the system is capable of being pivotally mounted as a unit on a stan...
01/06/2004
6626811Method and machine for working an elongate web of material
In a method for working an elongate web of material, use is made of a machine which comprises a feeding device for feeding the web at a given speed and a cutting device for making cuts in the web. The cutting device comprises a rotary backing roll and a r...
09/30/2003
6503182Compact apparatus and system for creating and dispensing cushioning dunnage
A system for creating and dispensing cushioning dunnage is small and permits flexible installation configuration options for a single or for multiple packing stations. A compact apparatus of the system is capable of being pivotally mounted as a unit on a ...
01/07/2003
6207249Cushioning product and method with stitching
A cushioning conversion machine, method and product characterized by a connecting assembly that provides a mechanical interlock between overlapped portions of sheet-like stock material to prevent "unzippering" of a low density cushioning product produced ...
03/27/2001
6171226Plastic bag bundling system
A process of serially dispensing and opening a bag from a bundle of bags includes providing a bundle of bags having at least a leading bag and a plurality of trailing bags. Tabs at the top of the bags fasten to a support and sever under a first force. A f...
01/09/2001
6132842Cushioning product
A cushioning product having plural layers of a sheet-like stock material folded upon themselves to form a pillow-like portion. The lateral edges of the outer layer of the stock material are overlapped and connected together to maintain the geometry of the...
10/17/2000
6071367Method for forming a mailpiece
A method for forming and using a mailpiece requiring special services is provided. The method includes providing a mailpiece having an integral document section requiring special service mailing that includes folding the sheet along fold lines and sealing...
06/06/2000
5514067Easy open feature for polymeric package with contents under high compression
An improved top opening, rectangular flexible bag for containing a stack of highly compressed flexible articles. The bag has front and back panels, two side panels and top and bottom panels, all of which are connected together to form an internal compartm...
05/07/1996
5176610Fly-knife dampening system
A system for dampening deflections which occur in an elongate rotating fly-knife includes camming elements along the length of the beam carrying the fly-knife. A second beam spaced from the knife is also mounted for rotation and includes spaced apart camm...
01/05/1993
5077957Web of interconnected bags
A method for manufacturing a web of interconnected bags from a semitubular web of material, in which pockets are formed at a first side of the web and a second side of the web adjacent a first of two longitudinal outer edges of the web. At least one conti...
01/07/1992
5045041Method of manufacturing a reusable fabric-covered heat-exchange bag
A method of producing a reusable, fabric-covered, heat exchange bag is provided which includes the steps of providing thermoplastic stock including waterproof film and a fabric-like material. The fabric-like material is folded along a fold line so as to c...
09/03/1991
5030189Method of making envelope with tear line formed by ultrasonic energy
Method for forming an envelope having a tear strip or a tear-off flap portion for aiding in opening the envelope, comprising the steps of providing an envelope blank formed of a material capable of being weakened by the application of ultrasonic frequenci...
07/09/1991
4850949Apparatus for folding a band into accordion pleats including three panels
A method and apparatus for transferring a band at a predetermined speed V to a station for pre-marking two folding lines which define a central panel of each pleat and then subjecting the band over a short distance to abrupt deceleration to a speed V' suc...
07/25/1989
4804135Continuous strip envelopes
The invention comprises a continuous paper strip scored and cut to form a recurring series of alternating panels and associated edge strips, said panels and edge strips being folded upon and secured to one another to produce a series of prefabricated enve...
02/14/1989
4789350Method and apparatus for manufacturing mailing envelopes or bags
In the inventive method mailing bags are manufactured in an appropriately constructed flat- and lateral folding back machine. A tube fabricated from a web is provided in the region of its longitudinal borders with two triangularly-shaped and punched cut-o...
12/06/1988
4764030Part bottom seal of chain of gusseted bags and machine therefor
A chain of bags is disclosed, with each having first and second panels and gusseted sides. The chain of bags is provided with a transverse bottom seal which in the central portion seals together the front and rear panels, and also seals together the inner...
08/16/1988
4734148Process for making a detachable plastic bag pad
A stack of interlocked detachable bags, preferably formed from a thermoplastic foil strip, and each comprising two walls, a front wall and a back wall, preferably at least one handle-shaped incision positioned on one of said walls adjacent an upper fillin...
03/29/1988
4655737Method for preparing flat-bottom thermoplastic sack
A method for preparing flat bottom thermoplastic sacks comprising process steps for forming a tube of thermoplastic film, collapsing said tube while forming two oppositely disposed gussets therein, forming two pairs of diagonal sealed seams in the gussets...
04/07/1987
4642084Plastic bag making machine
A machine for making plastic bags, such as trash or garbage bags, includes a rotary sealing drum of variable diameter, the drum including one or more sealing bars for cross-sealing a flattened plastic film tube passing through the machine. A blanket tensi...
02/10/1987
4605125Miniature flexible magnetic disk assembly with motion limit stop
A miniature flexible magnetic disk assembly having integrally formed motion limit stop projections along the length dimension of the disk assembly enclosure. The projections are formed from either side of the facing major wall portions of the enclosure by...
08/12/1986
4474566Method and apparatus for folding a web having a transverse slit
A continuous web of paper has a longitudinally extending marginal part folded over onto an adjacent longitudinally extending second part of the web. The web is in tension, and the second web part has a transverse slit. During the folding step, the margina...
10/02/1984
4232589Method of making plastic bag construction in serial roll form
A plurality of expandable bags are serially connected lengthwise in roll form. Each bag is of substantially long length and has an expandable gusset near one end thereof and traversely of the length. The gusset end of each bag is respectively connected to...
11/11/1980
4181069Method for producing double streams of side-welded bags in heat-welded pad form
The invention relates to the production of bags from a web of plastic film, such as polyethylene and the like, which is unreeled from a parent roll and caused to pass over a forming device to provide what is known as a "J" fold. More particularly, it prov...
01/01/1980
4102251Method of making a continuous envelope
A method of making continuous envelope structure wherein a continuous ply ultimately constituting the backs of a series of envelopes has united thereto a plurality of ply segments, each ply segment ultimately constituting the front and flap of an envelope...
07/25/1978
3998138Mailing device
A method of forming a mailing device from a previously printed form, said form including a letter sheet and an envelope sheet, and a plurality of widely spaced self-breakable teats joining said letter sheet to said envelope sheet comprising the steps of f...
12/21/1976
 
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