Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
  • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
  • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
  • B29C53/02—Bending or folding
  • B29C53/10—Bending or folding of blown tubular films, e.g. gusseting
• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
  • D03D37/00—Circular looms
• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
  • D03J1/00—Auxiliary apparatus combined with or associated with looms
  • D03J1/06—Auxiliary apparatus combined with or associated with looms for treating fabric
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
  • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
  • B31B70/00—Making flexible containers, e.g. envelopes or bags
  • B31B70/26—Folding sheets, blanks or webs
  • B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
  • B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
  • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
  • B31B70/00—Making flexible containers, e.g. envelopes or bags
  • B31B70/26—Folding sheets, blanks or webs
  • B31B70/36—Folding sheets, blanks or webs by continuously feeding them to stationary members, e.g. plates, ploughs or cores

Definitions

• the present invention relates to a circular loom for weaving a tubular fabric, and more particularly to an apparatus for forming a town (ie, a gusset) by folding a tubular fabric.
• Circular looms for weaving cylindrical woven fabrics are already known, for example, circular looms (US Pat. No. 3,871,141) developed by the present inventor, British paper, and United States of America.
• a typical example is the circular loom of the Fair Machinery-Lawson Machinery Ltd. In such a circular loom, it is polished.
• Cylindrical fabrics woven with synthetic resin strands such as len and polyethylene, multifilament systems and synthetic resin strands such as strings as weft yarns Since it is strong and has a small size, it is used for storing various materials, or for bags for sending or handbags.
• OMPI The shape of the shape is close to a cube or a rectangular parallelepiped.o Therefore, stacking is easy when loading.5) Also, it is easy to predict the required loading area or volume when stacking. .
• a mixed bag is very convenient for accommodating various particulates and powders. Indeed, bags wrapped in black or plastic tape fabrics are cement bags, fertilizer bags, agricultural products bags, and plastic pellets, asbestos, It can be used as a bag for accommodating dynamite torque. Paper bag or plain weave]? When forming a town in a closed bag with woven cloth, a gusset forming device incorporated in a cylinder making machine that turns sheet paper or plain woven cloth into a tube. Thus, a town is formed at the time of attaching work or sewing work.
• An object of the present invention is to provide a circular loom, in which a cylindrical material woven in a weaving area is laid over a weaving area by a 7c flattening means (for example, a steel guide roller, a heat roller). When it is flattened by contact with a roller, etc.), the parts that are on both sides of the tubular fabric when it is flattened
• a 7c flattening means for example, a steel guide roller, a heat roller.
• the inner guide means for regulating the four side edges of the tubular woven fabric includes a weaving area of a circular loom.
• the outer guide means for pushing the cylindrical fabric inward is surrounded by the inner guide means. It is installed in relation to the inner guide means so as to be located inside the square. Then, the inner guide means guides the tubular fabric from the inside, and the outer guide means guides the tubular fabric from the outside, and the two guide means cooperate with each other. A town is formed on the tubular fabric.
• FIG. 1 is a perspective view of a cylindrical woven fabric having a gusset forming apparatus according to the present invention, which is woven by a circular loom equipped with a gusset forming apparatus, and having gussets on both sides.
• FIGS. 2A to 2D are schematic plan views showing a state in which a town is formed in the tubular fabric.?, FIG. 2A shows a state immediately after weaving in the weaving area. Figure 2B shows the book FIG. 2C shows a state in which the tubular fabric is guided by the inner guide means in the apparatus of the present invention. FIG. 2C shows the inner guide means and the outer guide in the apparatus of the present invention. FIG. 2D shows a tubular woven fabric which has been flattened through a flattening means of a circular loom and has a gusset formed therein. FIG. 3 is a perspective view of an embodiment of a circular loom employing the gusset forming apparatus of the present invention.
• FIG. 4 shows the manufacturing process of the circular machine shown in Fig. 3 and a partially omitted new view showing the lower part of the device of the present invention.
• Fig. 5 shows the gas turbine according to the present invention.
• FIG. 6 is a front view of the apparatus shown in FIG. 5, and FIG.
• FIG. 7 is a plan view of a partly new surface along the line ⁇ - ⁇ in FIG.
• a cylindrical object 2 lifted up in a circular machine equipped with a gusset forming apparatus of the present invention has two sides 2a around two sides thereof. Yes.
• the process in which the cylinder 2b is formed in the cylinder 72 on the circular press will be briefly described with reference to FIGS. 2A to 2D.
• the material 2 is the inner guide ring 19 and the outer guide ring 21 of the circular joint as shown in Fig. 2A.
• the tubular fabric 2 is in contact with the inner guide members 35, 37, 39, 41 of the gusset forming apparatus of the present invention. And a square shape.
• the cylindrical object 2 is connected to the inner guide rods 35, 37, 39, 39, 41 of the gusset forming apparatus as shown in FIG. 2C.
• guides are provided by guides.
• the outer guide roller 63 is the inner side of the virtual rectangle drawn by the four inner guide rods 35, 37, 39, 41. It is placed in a state where it bites into. Therefore, two opposing side edges of the tubular fabric 2 are folded inward. After that, the tubular fabric 2 was sent over the weaving area! ) It is flattened by contact with the roller or the bunch roller. As a result, as shown in FIG. 2D, 2 b is formed around the tubular fabric 2.
• the weaving area provided with the opening means and the weft insertion means is within the frame 9.
• the opening means and the weft insertion means are provided from a motor 5 provided at the lower part of the frame 9 via a first power transmission mechanism (not shown). Driven. Above the weaving area, flattening means for flattening the woven tubular fabric is provided.
• the flattening means is, for example, a pair of binders, a mouth roller, a single feed roller, a vehicle guide roller, and the like.
• the roller is driven by a second power transmission mechanism (not shown).
• the second power transmission mechanism is driven by the first power transmission mechanism via the drive transmission rod 11.
• a necessary number of warp yarns 3 for weaving the desired tubular fabric 2 is a pair of creels (Fig. 3) In the figure, only one of the creels provided on the right side is shown), and a large number of spools that are rotatably held for delivery. It is supplied from the cage 6 a and supplied to the weaving area _ via the warp sending means 7. Further, the tubular woven fabric 2 woven in the manufacturing area of the circular machine passes through the above-mentioned flattening means, and is guided as shown by an arrow toward the winding means (not shown). .
• the opening means 13 for opening the warp 3 and the weft insertion means i.e., run along the annular shuttle guide.
• the shuttles 15 There are a plurality of shuttles 15 and a shuttle propulsion mechanism (not shown) for moving these shuttles. Since these means are already known, for example, US patents It is disclosed in the specification of Japanese Patent No. 387114, which is described in detail in this specification.
• the weft drawn from the shuttle 15 passes through the weft guide grass 17 attached to the shuttle, and is pressed onto the inner guide ring 19 while the warp is being warped. Introduced into opening 3. Thereby, the tubular fabric 2 is formed.
• the woven tubular fabric 2 is drawn upward through the space between the inner guide ring 19 and the outer guide ring 21. .
• the inner guide ring 19 is mounted via a bearing on a vertical drive shaft 25 having a pulley 23 at the lower end.
• the outer guide ring 21 is supported by the main body 27 of the circular loom.
• the gusset forming apparatus of the present invention is based on a combination of inner guide means for guiding the inner surface of the tubular fabric 2 and outer guide means for guiding the outer surface of the tubular fabric 2.
• the inner guide means is for guiding the right and left side portions 2a of the tubular fabric when it is flattened j9, and the guides are symmetrical to the left and right side edges.
• the door assemblies 31 and 33 are arranged.
• Each guide assembly 31, 33 includes two guide rods 35, 37 or 39, 41, respectively.
• Each guide case The lower ends of the guide rods 35, 37, 39.4 of the assemblies 31 and 33 are attached to the brackets 45 so that they can be moved by pins 43. Be attached.
• the bracket 45 is attached to a rod 47]), and the rod 47 is provided on a vertical drive shaft 25 with a support sleeve installed via a bearing. It is supported by the line 49.
• the two guides, rods 35 and 37 of guide 'assembly 31 are spaced apart at their lower ends by brackets.
• the guide rods are attached to both ends of the guide rods 45, respectively, but the distance between the guide rods and the guide rods is not narrower upward, and they extend to the vicinity of the flattening means 8.
• the guide rods 35 and 37 are close to each other. If the upper ends 35a and 37a of both guide rods are formed in a thin plate shape as shown in Figs. 5 and 6, the fabric can be guided up to immediately before the flattening means 8. I like it.
• the guide rods 39, 41 of the foam guide 33 are arranged in the same manner as the guide rods 35, 37 described above. -As shown in Fig. 6, guides for paired guide assemblies 31.33 * Lower ends of openings 35 and 39 are on one side of bracket 45 Are pivoted together at the ends of the Both guides * Rods 35, 39 extend upward from their lower ends, sloping outward, and then approximately ⁇ ⁇ ⁇ Extend straight up.
• the other guides' ports 37 and 41 are attached to the other end of the bracket 45, and are located at the upper end as in the case of both guides * rods 35 and 39. Extends to
• the two guide rods 35, 37 of the guide assembly 31 have their upper ends 35a, 37a bolted to the upper end 35a, 37a by the bin 51. 3, and the two guide rods 39, 41 of the other guide assembly 33 also have the same upper ends 39 a, 1 a.
• the two ports 53, 57 are threaded in opposite directions.
• the ports 53, 57 are screwed into a spacer 59 having opposite ends cut at both ends, and fixed by a nut 61. In this way, the guides' assemblies 31, 33 of the pair are connected to each other via the spacer 59, and then the spacer 59 is turned. ]) You can change the interval between the guide assemblies 31 and 33. Thereby, the width of the tubular fabric when flattened can be adjusted.
• the outer guide means of the gusset forming apparatus of the present invention is arranged corresponding to a pair of guides * assemblies.
• Two guide mouths 6 63 The guide roller 63 is rotatably attached to the tip of a repertoire 67 pivotally connected to the frame 65.
• Frame 65 is suitably fixed to frame 9 shown in FIG.
• the angular position of the lever 67 is the spacer 69 connected to the frame 65, the spacer 71 attached to the lever 67, and both spacers 69. , 71 are determined by the root 73.
• the opposite ends of the port 73 are cut off, and both spacers 69 and 71 are cut off in accordance with the above-mentioned reverse screw.
• the relative position of L63 can be adjusted.
• the lever, 67 is provided with a plurality of holes 68, and the lever 67 and the spacer 71 are connected to the bin 75 inserted into one of the holes 68. Discount. It is detachably connected by the pin 77. You can adjust the position of guide roller 63 by changing the mounting position of bin 75].
• the guide ⁇ -la 63 when guiding the cylindrical object 2, the guide ⁇ -la 63 is used for the inner, guide, and b. It is located in a state of biting into the inside of an imaginary rectangle surrounded by the pads 35, 37, 39, 41.
• both sides of the tubular article are shown by dashed lines, and are folded inside the tubular fabric.
• the gusset forming apparatus of the present invention has the structure as described above, and is provided between the weaving area 4 and the flattening means 8. Therefore, the tubular fabric 2 pulled out from the gap between the inner guide ring 19 and the outer guide ring 21 has four inner guides. * The rods 35, 37, 39, and 41 come into contact with each other, are spread in a rectangular shape, and are guided upward. Then, the outer guides 63 are pushed inward on both sides of the tubular fabric 2 so that the tubular fabric 2 is guided from the outside. Then, both sides of the tubular woven fabric are gradually folded inward.
• the tubular woven fabric 2 is flattened by the flattening means 8 in a state where it is folded inward.9 Since the tubular woven fabric 2 is flattened, 2b is formed.
• the dimensions of 2b are the inner guide, the relative position of the guide roller with respect to the assembly, and the two guides in each guide assembly. It can be changed by adjusting the rod spacing.

Landscapes

• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Mechanical Engineering (AREA)
• Woven Fabrics (AREA)
• Knitting Machines (AREA)
• Auxiliary Weaving Apparatuses, Weavers' Tools, And Shuttles (AREA)
• Looms (AREA)
• Making Paper Articles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=14226579

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (1)

Family Cites Families (6)

• 1980
  • 1980-07-11 JP JP1980098693U patent/JPS5721687U/ja active Pending
• 1981
  • 1981-07-10 EP EP19810902021 patent/EP0055783A4/en not_active Withdrawn
  • 1981-07-10 PT PT73350A patent/PT73350B/pt unknown
  • 1981-07-10 PH PH25897A patent/PH22594A/en unknown
  • 1981-07-10 WO PCT/JP1981/000159 patent/WO1982000305A1/ja not_active Ceased
  • 1981-07-11 KR KR1019810002520A patent/KR840001906B1/ko not_active Expired

Non-Patent Citations (1)

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