| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 41 | Apparatus for processing baglike container blanks | US170199 | 1988-03-18 | US4804356A | 1989-02-14 | Kiyomi Yoshida; Fumiyuki Iwano; Kojiro Hayashi |
| An apparatus for processing baglike container blanks by fitting the blank around a pair of forming plates arranged at a distance from each other in parallel, folding a pair of triangular ears flat while projecting the ears sidewise from the portion of the blank to be made into the bottom of a finished rectangular parallelepipidal container, and press-bonding the projected ears to outer surface portions of the trunk of the container at the lateral sides thereof after folding the ears over the outer surface portions. The apparatus includes a device for press-bonding the triangular ears, which comprises a pair of press members and a support member positionable therebetween. Each lateral side trunk portion and each ear folded thereover are clamped between the support member and the press member respectively from inside and outside the blank. | ||||||
| 42 | Slitter assembly for double fold bottomer apparatus | US530238 | 1983-09-08 | US4573956A | 1986-03-04 | Harold K. Johnson |
| A slitter mechanism for use in a double fold bottomer apparatus employed in making bags from starting flush cut tubes is described which gives precise, high speed side marginal tube slitting in order to permit subsequent downstream gluing and folding operations. In preferred forms, the slitter mechanism includes a bag-end separating assembly having a vacuum manifold and a cooperating adjacent deflector bar serving to separate end portions of the sidewalls of a moving tube. A sequentially rotatable blade is also provided which first enters the open end of the moving tube between separated wall portions, overtakes and slits the leading side margin of the tube, and then stops with a trailing slitting edge situated within the tube open end; subsequent bag movement causes the trailing tube side margin to engage and be slit by the stationary blade edge. | ||||||
| 43 | Method for making sacks provided with cross-bottoms | US020465 | 1979-03-14 | US4266469A | 1981-05-12 | Richard Feldkamper |
| A web of bag-making material has folded rectangular sheets adhered at intervals to one face by one flap of each sheet before longitudinal margins of the web are folded over, stuck to the other flap of each sheet and joined where they overlap to define a tube, whereafter sections are severed from the tube to make bags to be formed with cross-bottom closures at the ends. The size and position of the folded sheets are such that each sheet will subsequently form an internal seal for the cross-bottom closure. | ||||||
| 44 | Apparatus for forming flat bottom plastic bags | US600737 | 1975-07-31 | US3988970A | 1976-11-02 | Violet M. Hanson; John E. Finn |
| 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 plenum chambers which are then moved toward each other to squeeze the length therebetween. Simultaneously a sealing and shearing mechanism forms a transverse seal and cuts the sleeve length from the reel, the gussets being at the same time sealed in the seam. The plenum chambers are then subject to vacuum and are moved apart, causing the sides of the now formed bag to separate opening the same. Upon opening of the bag, a forming mandrel is inserted therein and moved through the length of the bag until it reaches the sealed end. Simultaneously a presser member is moved across the outside surface of the bag folding over the seam, and pressing the gusset portions into flat flaps and in addition forming simultaneously the flat bottom to the bag. The mandrel or the presser plate is provided with heat sealing means sealing the flaps to the sleeve sides. | ||||||
| 45 | Machine for manufacturing square bags of thermoplastic film | US498817 | 1974-08-21 | US3974747A | 1976-08-17 | Yoshio Tsukino |
| A square bag consisting of a tubular body made of thermoplastic film with its outer surface processed to be hardly weldable and a couple of rectangular closures made of thermoplastic film for closing the top and bottom openings of said body, said tubular body being flat when empty and the top and bottom openings of said body being formed into the front and rear horizontal flaps spreading horizontally and a pair of bisymmetric triangular end plates lapped over two sides of said flaps by pressing said openings vertically, which bag is characterized in that the top closure consists of a valve plate and a cover plate, one side edge of both plates is inserted beneath said triangular end plates, respectively, to overlap each other and heat-sealed, the other side edge of said cover plate extends over the other side edge of said valve plate to form a valve lip, the overlapping portions of the front and rear side edges of the valve plate and the cover plate and the front and rear side edges of the horizontal flaps of the top of the body are heat-sealed, and further the bottom closure consists of one cover plate which is installed on the bottom opening in the same fashion as said top closure and the overlapping portions of the body and said cover plate are heat-sealed. | ||||||
| 46 | FLEXIBLE CONTAINER WITH FITMENT AND PROCESS FOR PRODUCING SAME | PCT/US2015040578 | 2015-07-15 | WO2016011157A3 | 2016-03-10 | PEREIRA BRUNO R; FRANCA MARCOS P |
| A flexible container (10) is provided. The flexible container (10) includes four panels (18, 20, 22 and 24). The four panels form (i) a body portion; (ii) a neck portion (30), and a flare portion (50) that extends from the neck portion (30); (iii) a tapered transition portion between the body portion and the neck portion (30); and (iv) the neck portion (30) has a reduced width. The flare portion (50) has an expanded end. The width of the flare portion (50) gradually increases from the neck portion (30) to the expanded end. | ||||||
| 47 | Receptacle, and method and device for producing receptacles | US14381566 | 2013-01-30 | US09708103B2 | 2017-07-18 | Jörg-Christian Thies |
| The invention relates to a receptacle (10), in particular a flexible bag (10) made of paper, with a front part (20), a back part (30) and a bottom (50), which is closed by a bottom unit, and with an opening (1) lying opposite the bottom (50), wherein the bottom unit has a bottom portion (120) of the front part (20) and a bottom portion (130) of the back part (30), the bottom portion (130) of the back part (30) is shorter than the bottom portion (120) of the front part (20), such that the bottom portion (120) of the front part (20) is secured directly on the back part (30) by turning the bottom unit (100) back along a fold line (101), and the opening (1) is formed by a peripheral edge (2) which extends at a height of the front part (20) and of the back part (30) and which is at least partially frayed, thereby reducing the danger of injury at the edge (2). | ||||||
| 48 | PLASTIC BAG MAKING APPARATUS | US13019608 | 2011-02-02 | US20120035035A1 | 2012-02-09 | Mikio Totani |
| Plastic bags are made by feeding webs joined at a joint line, and by supplying a side gusset sheet between the webs. The webs are temporarily fixed to two side gusset layers. One web is folded along a first folded line spaced from the joint line to open the webs and form an open surface. One side gusset layer is folded along the first folded line to open the side gusset layers along with an auxiliary gusset portion and form an open surface on layers of the auxiliary gusset portion. One web is turned along a turned line formed between the joint line and the first folded line to make a turned portion superposed on the open surfaces. The other web is folded along a second folded line spaced from the joint line to make a folded portion superposed on the open surfaces. | ||||||
| 49 | Automatic ventilating system for plastic bags | US258033 | 1999-02-25 | US6113269A | 2000-09-05 | Robert B. DeMatteis; Donald Pansier |
| Ventilation slits are placed in a plastic bag wall for opening in response to tension passing through the bag wall as the bag is carried. A conventional bag has a front bag wall, with the front bag wall having a top, a bottom, and two parallel side edges. The rear bag wall is of identical construction. The bag is conventionally sealed at the sides and bottom and typically carried from the top. The bag is improved by providing at least one bag wall with a plurality of vent apertures. In the preferred embodiment, each vent aperture has a first slit and a second slit with the slits inclined both to one another and with respect to the edges of the bag wall. Preferably, the vent apertures defined by the inclined slits overlying one another in parallel spaced apart relation. When the plastic bag is loaded at the bottom and carried from the top, stress in the bag wall or passes around the slits, causing the slits to open as vent apertures responsive to the stress. While inclined slits are preferred, embodiments are shown with an array of horizontally disposed slits for the ventilation, these slits preferably being in rows and columns. | ||||||
| 50 | Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers | US769431 | 1996-12-19 | US6095960A | 2000-08-01 | Fritz Achelpohl |
| When manufacturing bags from tubular paper sections of a single layer or multiple layers, at least one end of each flat, tubular section is expanded into a bottom square. Lateral flaps formed in this way are folded such that they overlap and partially cover corner flaps. In order to easily bond expanded bottom squares together, the regions of the tubular sections which are to be bonded together are provided with coatings of thermoplastic which are heated and pressed together. | ||||||
| 51 | Method for packing a rectangular inner bag for loading into cylindrical container | US353352 | 1999-07-15 | US6089002A | 2000-07-18 | Kouji Kitao |
| An inexpensive inner bag loaded into a cylindrical container such as a drum. The inner bag has excellent airtightness and facilitates transferring the inner bag to a separate container. The inner bag comprises two hexagonal first sheets and two pentagonal second sheets. Each first sheet has a pair of opposite sides extending longitudinally and a trapezoidal portion formed around one longitudinal end of the sheet. Each second sheet has a pair of opposite sides extending longitudinally and a triangular portion formed around one longitudinal end of the sheet. The first and second sheets are placed in an opposite relation to each other. The peripheries of the first and second sheets, excluding the other ends, are bonded together by heat-sealing. | ||||||
| 52 | Apparatus for forming flat-bottomed plastic bags | US989490 | 1997-12-12 | US6056681A | 2000-05-02 | Philip E. Ross |
| A method and apparatus for forming flat-bottomed plastic bags uses a flattened plastic tubing as a raw material. The tubing is unwound from a roll, and is passed around a gusset plate assembly, where guide members on opposite sides of the gusset plate assembly guide outside edges of the tubing inwardly between a pair of gusset plates to form gussets in the tubing. In a preferred embodiment, microperforations are formed in the bag material to provide ventilation to the finished bags. | ||||||
| 53 | Method of and apparatus for making a bottom of a tubular section for formation of a bag or sack | US81578 | 1998-05-19 | US6042526A | 2000-03-28 | Josef Baumer |
| In a method and apparatus of making the bottom of a flat tubular section, a tubular section is transported by a conveyor at a continuous rate in an alignment transversely to a longitudinal direction of the conveyor, with a first suction unit partially opening one end of the tubular section. Subsequently, a spreader unit is inserted into the partially open end of the tubular section and moved in a first phase in a substantially linear horizontal motion toward an end position in which the spreading unit conforms to fold lines of a finished bag bottom. In a second phase, the spreader unit swings from a substantially horizontal alignment into a substantially vertical position about a horizontal pivot axis by way of a compound motion in which a movement of the spreading unit into the end position is superimposed by a movement into the vertical position, thereby forming the open bag bottom. Thereafter, the spreader unit is withdrawn from the bag bottom while maintaining the formed bag bottom in vertical disposition by means of a second suction unit for further processing. | ||||||
| 54 | Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers | US35860 | 1998-03-06 | US5989172A | 1999-11-23 | Fritz Achelpohl |
| When manufacturing bags from tubular paper sections of a single layer or multiple layers, at least one end of each flat, tubular section is expanded into a bottom square. Lateral flaps formed in this way are folded such that they overlap and partially cover corner flaps. In order to easily bond expanded bottom squares together, the regions of the tubular sections which are to be bonded together are provided with coatings of thermoplastic which are heated and pressed together. | ||||||
| 55 | Method of manufacturing flat-bottom bags with a glued-on bottom lining | US981342 | 1997-12-19 | US5913764A | 1999-06-22 | Wilfried Kolbe; Hans-Rudolph Van Den Maagdenberg; Gunter Niemeyer; Diethard Obermeier; Klaus Schirrich |
| A method for manufacturing flat-bottom bags with a glued-in bottom lining includes the steps of applying a contact adhesive, which develops a desired adhesive force only when two surfaces, both of which are coated with the contact adhesive, are pressed against one another, onto a starting material for the bag, subsequently closing the starting material into a tube, supplying the tube to a bottom-laying station to produce a flat-positioned bottom of the bag, and completing gluing by exertion of pressure on the flat-positioned bottom of the bag after the bottom lining has been placed upon the flat-positioned bottom. | ||||||
| 56 | Liquid container and method of manufacturing same | US839145 | 1997-04-23 | US5857951A | 1999-01-12 | Tooru Ichikawa |
| A liquid container comprises a flexible bag-shaped container body 1 which is provided with two flat portions 3(3a,3b) as front and back walls and two gusset portions 4(4a,4b) as side walls which are folded inwardly, and a pipe-shaped delivery unit 2 which is provided with a mouth portion 11 at an upper end thereof to be projected out of an upper end portion of the container body, and a flange portion 12 below the mouth portion to be held at a joining portion 5 of the upper end portion of the container body, wherein each gusset portion 4 has a width approximately equal to that of the flat portion 3, inward end portions 15(15a,15b) of the two gusset portions being interposed between the flange portion 12 and the flat portion 3 at the joining portion 5. When the liquid container is manufactured, it is preferable that films for the gusset portions are temporarily bonded to a film for the flat portion before the positioning of the delivery unit. | ||||||
| 57 | Device for pulling open continuously cross-conveyed tube sections for the purpose of forming bottoms in the manufacture of sacks | US727965 | 1996-10-10 | US5827165A | 1998-10-27 | Fritz Achelpohl; Rudiger Duwendag; Joachim Witzke |
| 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 two parallel connecting rods housed in a machine frame so as to rotate and is equipped with a row of radial suction units. A crank is connected to a shaft of a parallel connecting rod. A crank pin, supporting a slide ring or a roll, slides in a radial guide attached to a shaft. The shaft of the guide is offset relative to the parallel connecting rod shaft such that an essentially translational movement corresponding to the conveyance speed is superimposed on the opening movement of the row of suction units. In order to achieve a better opening of the tube section ends even at higher conveyance speeds, the radial guide is formed in a curved shape such that the time of uniform motion of the suction units and the tube section is lengthened. | ||||||
| 58 | Apparatus for the continuous production of an article of manufacture, such as envelopes | US246832 | 1994-05-20 | US5558612A | 1996-09-24 | Martin Blumle |
| An article of manufacture, such as letter envelopes, paper bags, shipping uches, and the like is manufactured continuously on a production line that includes a back folding or so-called zig-zagging station which folds back one of the bottom flaps, first in a direction opposite to the continuing feed advance and then in the direction of the feed advance, whereby the formation of so-called bed bottoms or stand-up bottoms for these articles is facilitated. A cross strip (43) of a front or back portion of the article and respective precreases are used as a folding arm and fold lines in the formation of the zig-zag fold. | ||||||
| 59 | Bag for liquids, pastes, or granulates and method of manufacturing | US430092 | 1995-04-26 | US5547284A | 1996-08-20 | Rodney H. Imer |
| A bag for liquids, pastes, or granulates. The bag consists of four flexible sheets. The edges of the sheets are fastened together tight along their sides and bottom and to some extent along the top, creating a front wall (1), a rear wall (2), and two side walls (3 & 4), and the four walls demarcate the inside of the bag. The sheets the side walls are made of are thicker and/or more rigid than the sheets the front and rear walls are made of. The bag is designed such that when full it will stand balanced and stable on a level surface. | ||||||
| 60 | Heat seal SOS bag | US249236 | 1994-05-25 | US5520464A | 1996-05-28 | Jay L. Kristola |
| A self-opening style bag formed of a tube with a bottom constructed of folded-inward-portions of side walls and overlying portions of front and rear walls, all folded around a perimeter fold line. The tube provides adhesive strips on portions of the bottom region of the tube to assemble the bottom of the bag wherein at least the front wall and rear wall have transverse adhesive strips applied adjacent the fold line and edge strips along edges in the bottom region. The side walls have adhesive applied along bottom edges thereof. Alternately a heat sealable material is applied over an inside surface of the bag and local heating is used to effect seals. When the side walls are folded inward, they are sealed at all seams in the bottom of the bag to prevent small articles from becoming trapped between seams. | ||||||
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