U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5443036

Method of exercising a cat

A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 493/256 - Including application of fluid pressure or vacuum to work


Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus wherein manipulation of the cylindrical
No. of patents: 36
Last issue date: 02/26/2008


NumberTitleIssue Date
7335150Apparatus for making pre-fastened absorbent undergarments
In a method and apparatus for mechanically fastening an absorbent undergarment during the initial manufacturing thereof, the undergarment is transported in a transport direction and folded longitudinally by a folding device such that first and second end regions of ...
02/26/2008
7240414Prosthetic interior casting process and product
A method of sizing, resizing or reshaping the interior of a prosthetic device includes placing a lightweight moldable or shape assuming, pliable material that adheres and hardens on the interior sides of a socket of a prosthetic device. An end of a residual limb is ...
07/10/2007
7225731Sheet punching and embossing machine
A sheet punching and embossing machine includes a device for stripping waste from a punched and embossed sheet at a stripping station, the device having a stripping plate for supporting the sheet. Also included are gripper carriages fixed to revolving chains, for gr...
06/05/2007
7198267Sheet processing machine with a sheet decurler
A sheet-processing machine, such as a rotary press, has normally closed grippers that circulate during operation. The grippers transport the sheets along a conveying section and guide the sheets at their leading and trailing edges. The conveying section is assigned ...
04/03/2007
6679034Vertical stand-up pouch quick change module
A vertical stand-up pouch, flat bottom bag, or flexible package, and method for manufacturing same, constructed with a quick change module modification to existing vertical form and fill packaging machines. The invention involves producing a vertical stan...
01/20/2004
6663550Smoothing device for flat printing materials
A smoothing device includes guide surface sections for a flat printing material whose leading edge is pulled in a direction of travel over the guide surface sections. The guide surface sections have openings which communicate with throttling ducts that ar...
12/16/2003
6634403Window bonding station
In an apparatus for bonding window pieces to envelope blanks having window cut-outs, window pieces are cut from a transparent material web and then the window pieces and envelope blanks are brought together by a suction roller serving as a bonding cylinde...
10/21/2003
6530869Method and apparatus for the production of mailing bags including envelopes
In a method for the production of mailing bags, including envelopes, from material in web form, the material is processed in numerous ways and at least two separately prepared parts are transported to a joining station and there joined to one another with...
03/11/2003
6517472Device for separating material webs lying on top of each other
A device for separating two webs of material which are arranged on top of each other. The webs of material are to be separated while they are being transported on a conveying device, the first of the webs of material being detachably fixed to the conveyin...
02/11/2003
6454690Method and apparatus for forming an apertured pad
An apparatus and method for manufacturing a pad wherein a rotatable forming screen which has a generally cylindrical surface and at least one outwardly projecting nob is employed. The nob is positioned on the forming screen whereby the nob is circumscribe...
09/24/2002
6406415Apparatus for forming a container
The apparatus for forming a container is situated in a container-forming unit comprising different processing stations. The apparatus for forming a container includes a wrapping mandrel attached to a moving structure, which is arranged to move the wrappin...
06/18/2002
6375603Bag for packing powder, method of producing the same and method of producing film having holes constituting the bag
A bag for packing powder, permeable for gases and comprising a plurality of inwards protrudent hole-forming portions. Preferably, the bag comprises a film having holes (B) of predetermined thickness (d) furnished with protrudent hole-forming portions of p...
04/23/2002
6283905System and method for producing folded articles
A system (10) for producing folded articles includes a cutting station (58) operable to segment a fabric web (42) into a continuous stream of individual web segments (86). The system also includes a rotary folder (96) comprising a plurality of folding rol...
09/04/2001
6220999Method and apparatus for forming an apertured pad
An apparatus and method for manufacturing a pad wherein a rotatable forming screen which has a generally cylindrical surface and at least one outwardly projecting nob is employed. The nob is positioned on the forming screen whereby the nob is circumscribe...
04/24/2001
5893822System for vacuum evacuation and sealing of plastic bags
This invention involves a tapered vacuum bag sealer that can be used to seal conventional plastic bags and to vacuum canning jars or other food containers. The rear of the sealer housing has a connection for a PVC tube or other flexible tube that will ext...
04/13/1999
5857954Apparatus for manufacturing cross bottom sacks
An apparatus for manufacturing cross bottom sacks from laid-flat tubular sections consists of a frame having:- a table, means for holding the tubular section thereon in a processing station where the ends of the tubular section become opened out into a bo...
01/12/1999
5827165Device for pulling open continuously cross-conveyed tube sections for the purpose of forming bottoms in the manufacture of sacks
A device for pulling open continuously cross-conveyed tube sections for the purpose of forming bottoms in the manufacture of sacks has support tubes provided in pairs and connected to vacuum sources by lines. Each of the support tubes forms the coupler of...
10/27/1998
5729954Envelope flap opener apparatus
A flap opening apparatus wherein envelopes are sequentially conveyed past a jet nozzle, which delivers timed blasts of air to open the flaps of each envelope. A computer controller tracks the position of the envelopes by a shaft encoder, and activates the...
03/24/1998
5102384Method for making flat bottom plastic bag
A method is disclosed of constructing a flat bottom in a plastic film tube having an open upper end, a closed lower end formed by a transverse seal, forward and rearward sides and a pair of opposing pleated sides that interconnect the forward and rearward...
04/07/1992
4946431Apparatus for the manufacture of block-sealed side-gussetted bags
A method for making block of side-gussetted, bottom-weld bags. Each bag has an opening on one side to fascilitate the removal of individual bags from the block....
08/07/1990
4874354Method and apparatus for automatically opening bags
The invention provides an apparatus and method for automatically opening a plastic bag-type liner as part of a container lining process. The apparatus comprises at least one movable jaw assembly disposed on each side of the liner to be opened and a tongue...
10/17/1989
4767391Apparatus for the manufacture of block-sealed side-gussetted bags
Bags are manufactured from a tubular web of thermoplastic film. An air injector periodically inflates the film whereupon it contacts cooperating vacuum plates. One of the plates has a cutting die which cuts a tab in the film which in turn provides an ingr...
08/30/1988
4636189Machine for placing a plastic bag automatically into a larger feedstuff bag
An automatic machine for placing a plastic bag into a larger feedstuff bag. The plastic bag and feedstuff bag to open by the action of two vacuum holders connected to the upper and lower vacuum tanks. A push rod is then introduced, via the opening of the ...
01/13/1987
4610651Method of and apparatus for manufacturing bags with tabs
A pinch bottom open mouth ("PBOM") bag having a pinch bottom flap folded over upon and adhered to one wall of the bag, with a tab for tearing the flap open inserted at its inner end between the walls of the bag, folded to overlie the flap and the outside ...
09/09/1986
4534158Packaging machine
A packaging machine for forming pouches from a continuous web having confronting sections adapted to provide opposed walls of the formed pouches. The machine includes sealing means for sealing the opposed bag walls together in longitudinally spaced-apart ...
08/13/1985
4493686Apparatus for pulling tube ends open to form base squares of cross-bottom sacks
In apparatus for pulling tube ends open to form base squares in the production of large cross-bottom sacks, table plates are disposed parallel to the plane of the pulled open bases and separated from another by a gap through which a tubular web is feedabl...
01/15/1985
4490131Method of making bags
A method of making bags of the automatic or self-opening satchel-bottom type having an outer sheet of paper and a plastic inner liner in which a tab portion is formed with a portion of the inner liner removed so that when the bag bottom is formed a paper ...
12/25/1984
4468213Method and apparatus for separating from each other two thin, slack sheets of material
When two sheets of slack material, for example the two sides of a paper or plastics bag, are to be separated by means of a pointed tool, problems arise because the two sheets can easily bend over, both in the same direction. If moreover these sheets are f...
08/28/1984
4371367Apparatus for pulling open tube sections to form base squares in the production of cross-bottom sacks
An apparatus for opening and folding the end of a flattened tubular sheet to define the rectangular base of a bag or sack to be made from the sheet comprises a table having a slot through which the flattened sheet projects, the projection being formed int...
02/01/1983
4273550Method for producing a flat bottom plastic bag
A flat-bottom bag is produced from a heat sealable tubular material having gusseted sides by clamping front and back walls in a central longitudinal region, flaring the gussets outward to about 180° to provide a corner gusset tuck and refolding the gusse...
06/16/1981
4262581Method and apparatus for making printed gusset bags
A method of and apparatus for making printed gusset bags from tubular bag material, which may be extruded film plastic with integral interlocking fastener profiles along the edges of panels of the material which have been collapsed into face-to-face relat...
04/21/1981
4228728Method and apparatus for removing gussets from flat tubes
A method and apparatus for removing longitudinal gussets from a flat tube of flexible material, such as paper, including a conveyor for conveying the flat tube along a guide path to a gusset removal station having means operative to separate opposite side...
10/21/1980
4150519Packaging apparatus
In plastic pouch forming structure, a pair of vacuum ports such as, for example, cups are provided in each of a pair of opposed vacuum boxes that are horizontally movable toward and away from one another. Each vacuum cup comprises an insert having a first...
04/24/1979
4128049Apparatus for manufacture of pad stacked bags or the like
Sections successively severed from a double layer web of synthetic thermoplastic film, e.g., flattened tube stock, as produced are each stacked and welded to a precedingly stacked section near one edge, or in a tear off part or hanger portion to which a b...
12/05/1978
4106394Method of forming a wrapping for a shipment unit and device for carrying out the method
A method and apparatus are provided for fabricating a hooded thermoplastic shipping wrapper for enveloping three sides and the ends of elongated packages of lumber and the like. A table is provided for supporting the center piece of the wrapper, forming a...
08/15/1978
3988970Apparatus for forming flat bottom plastic bags
Flat bottom bags are formed from a supply of substantially endless plastic tubing, gusseted along two sides to form a flat reel. A sleeve of predetermined length is withdrawn from the reel and allowed to hang along a vertical plane between two foraminous ...
11/02/1976
 
Sign InRegister
Username  
Password   
forgot password?