Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H16/00—Unwinding, paying-out webs
  • B65H16/02—Supporting web roll
  • B65H16/06—Supporting web roll both-ends type
• • 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
  • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
  • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
  • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
• • 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
  • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
  • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
  • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
  • B31D5/0065—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including slitting and expanding flat material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H16/00—Unwinding, paying-out webs
  • B65H16/005—Dispensers, i.e. machines for unwinding only parts of web roll
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H23/00—Registering, tensioning, smoothing or guiding webs
  • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
  • B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
• • 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
  • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
  • B31D2205/00—Multiple-step processes for making three-dimensional articles
  • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
  • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
  • B31D2205/0017—Providing stock material in a particular form
  • B31D2205/0023—Providing stock material in a particular form as web from a roll
• • 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
  • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
  • B31D2205/00—Multiple-step processes for making three-dimensional articles
  • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
  • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
  • B31D2205/0047—Feeding, guiding or shaping the material
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2301/00—Handling processes for sheets or webs
  • B65H2301/40—Type of handling process
  • B65H2301/41—Winding, unwinding
  • B65H2301/413—Supporting web roll
  • B65H2301/41308—Releasably clamping the web roll shaft
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2301/00—Handling processes for sheets or webs
  • B65H2301/40—Type of handling process
  • B65H2301/41—Winding, unwinding
  • B65H2301/413—Supporting web roll
  • B65H2301/4134—Both ends type arrangement
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2402/00—Constructional details of the handling apparatus
  • B65H2402/30—Supports; Subassemblies; Mountings thereof
  • B65H2402/31—Pivoting support means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2403/00—Power transmission; Driving means
  • B65H2403/70—Clutches; Couplings
  • B65H2403/72—Clutches, brakes, e.g. one-way clutch +F204
  • B65H2403/725—Brakes
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/10—Handled articles or webs
  • B65H2701/19—Specific article or web
  • B65H2701/1944—Wrapping or packing material

Definitions

• This invention relates to the use of a tensioning device that fits onto a bar and yoke for dispensing expanded slit sheet material.
• Geami WrapPak® ExBox is a self-contained, disposable, and recyclable combination of die cut kraft paper and tissue interleaf that in combination is used to cushion and protect fragile items during shipment.
• Another notable object of some preferred embodiments of the present invention is to create a lightweight expanded slit sheet made from paper using a paper dispenser that provides for the expansion of a slit sheet of paper.
• a dispenser for expanding slit paper in which a roil of slit sheet material can be installed without removing any parts during each roll change.
• a device for expanding and dispensing expandable slit sheet paper.
• the device comprises:
• the a roll of expandable slit sheet paper having: an interior core member that is preferably hollow, a roll of expandable slit sheet paper is wound on the interior core member, the interior core member having an axial length that is greater than the width of the slit sheet paper that is wound on the interior core member and having at least a first interior core member end region that extends beyond the roll of expandable slit sheet paper, and
• an expanding and dispensing apparatus having:
• first core support member a first core support member, a second core support member, first means for pressing the first interior core member end region against the first core support member and second means for variably applying a frictional rotation resistance to the first interior core member end region.
• a first end region of the interior core member is mounted on the first core support member, and a second end region of the interior core member mounted on the second support member.
• an expanding and dispensing apparatus has a first core support member.
• a roll of expandable slit sheet paper has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member is attached to a first side wall member and is positioned internally of the first end region of the first interior core member.
• the interior core member is preferably hollow.
• a rotational resistance member can be supported by the first side wall member and extend from the first side wall member to a position in which it contacts the surface of the first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• an expanding and dispensing apparatus has a first core support member.
• a roll of expandable slit sheet paper has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member is attached to a first side wall member and is positioned externally of the first end region of the first interior core member.
• a rotational resistance member is advantageously supported by the first side wall member and extends from the first side wall member to a position in which it contacts the surface of the first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member has a first surface in contact with the surface of the first interior core member end region and has an arcuate configuration.
• the arcuate configuration has a curvature that cooperates with the curvature of the outer surface of the first interior core member end region.
• the first core support member first surface has a radius greater than the radius of the first interior core member an arc of less than 240° in order to enable the tension rod to contact the first interior core member.
• the arcuate configuration has an arc of at least 180°.
• an expanding and dispensing apparatus has a first core support member and a second core support member.
• a roll of expandable slit sheet paper has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region and a second interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member is attached to a first side wall member and is positioned externally of the first end region of the first interior core member.
• a rotational resistance member is advantageously supported by the first side wall member and extends from the first side wall member to a position in which it contacts the surface of the first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member has a first surface in contact with the surface of the first interior core member end region and has an arcuate configuration.
• the arcuate configuration has a curvature that cooperates with the curvature of the outer surface of the first interior core member end region.
• the first core support member first surface has a radius greater than the radius of the first interior core member and an arc that provides an open region that is sufficient for a friction means to contact the first interior core member end region.
• the radius of the first core support member is sufficiently greater than the radius of the first interior core member in order to enable the first interior core member to be inserted into the first core support member.
• the arc is less than about 300° and preferably no greater than 240° in order to enable the tension rod to contact the first interior core member and to facilitate loading of the slit sheet material on the expander-dispensing apparatus.
• the second core support member has a first surface in contact with the surface of the second interior core member end region and has an arcuate or circular configuration.
• the arcuate configuration has a curvature that cooperates with the curvature of the outer surface of the second interior core member end region.
• the second core support member first surface has a radius greater than the radius of the second interior core member and an arc of less than 180°.
• the arcuate configuration has an arc of between 180° and 110°.
• the second interior core member can be lifted off the second core support member and the roll of expandable slit sheet paper rotated about the first core support member and separated from the expanding and dispensing apparatus.
• the roll of expandable slit sheet paper rotated about the first core support member and separated from the expanding and dispensing apparatus by inserting the first interior core member into the first core support member, the roll of expandable slit sheet paper is rotated about the first core support member and the second interior core member is positioned on the second core support member.
• second interior core member is positioned on the second core support member it is in contact with and resting upon the second interior core member.
• an expanding and dispensing apparatus is provided with friction means for variably applying a frictional resistance to the rotation of the core member.
• the apparatus includes a first wall member and a first core support member fixed to the first wall member.
• the core support member supports the end region of an interior core member of a roll of expandable slit sheet paper wound on the interior core member.
• the end of the interior core member extends axially beyond the roll of expandable slit paper.
• the friction means can variably applying a frictional resistance to the rotation of the interior core member by applying a variable pressure to the surface of the end region of the interior core member.
• the first wall member is preferably sheet metal, and most preferably, aluminum or steel.
• a second wall member is preferably sheet metal, and most preferably, steel.
• the first and second wall members can be secured together, in a spaced relationship, by a plurality of bars or rods.
• the interior core member extends beyond the width of the roll of slit sheet paper, an amount of at least one inch from the roil of slit sheet paper.
• both end regions of the interior core member extend beyond the width of the roll of slit sheet paper, by an amount of at least one inch.
• both end regions of the interior core member extend beyond the width of the roll of slit sheet paper, by an amount at least about one and one half inches from the roll of slit sheet paper.
• a device for expanding and dispensing expandable slit sheet paper.
• the device includes a roll of expandable slit sheet paper that has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper that is wound on the interior core member and has at least a first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the device further includes an expanding and dispensing apparatus having a first core support member, a second core support member, first means for pressing the first interior core member end region against the first core support member and second means for variably applying a frictional rotation resistance to the first interior core member end region.
• a first end region of the interior core member is mounted on the first core support member.
• the expanding and dispensing apparatus can have a second end region of the interior core member mounted on a second support member.
• an expanding and dispensing apparatus has a first core support member and a roll of expandable slit sheet paper having an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member is attached to a first side wall member and is positioned externally of the first end region of the first interior core member and at least partially encompassing the first interior core member end region.
• a tensioning member applies a force against the first end region of the first interior core member and presses the first end region of the first interior core member against the first core support member.
• the means for variably applying a frictional resistance to the rotation of the core member is fixed to a first wall member.
• a first core support member is fixed to the first wall member and an elongated member is hingedly coupled to the first wall member.
• the invention comprises a method of mounting a roll of expandable slit sheet paper on an apparatus for expanding and dispensing expanded slit sheet paper, wherein the expanding and dispensing apparatus has a first core support member attached to a first side wall member and a second side wall member.
• a roll of expandable slit sheet paper has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region that extends beyond the roll of expandable slit sheet paper.
• the first core support member is positioned internally of the first interior core member end region of the first interior core member by bringing the first interior core member end region into contact with the first core support member, inserting the first core support member into the first interior core member first interior core member end region while a second interior core member end region that extends beyond the roll of expandable slit sheet paper is rotated about the first core support member and into contact with and resting upon a second core support member region in the second side wall member.
• the invention comprises a method of mounting a roll of expandable slit sheet paper on an apparatus for expanding and dispensing expanded slit sheet paper.
• the expanding and dispensing apparatus has a first core support member attached to a first side wall member and a second side wall member attached to the first side wall member.
• a roll of expandable slit sheet paper has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region and a second interior core member end region, each of which extends beyond the roll of expandable slit sheet paper.
• the first core support member is positioned externally of the first interior core member end region of the first interior core member by bringing the first interior core member end region into contact with the first core support member and inserting the first interior core member first interior core member end region into the first core support member and resting upon the first core support member of the first side wall member while the second interior core member end region is rotated about said first core support member from a position spaced from the second core support member and into contact with and resting upon the second core support member of the second side wall member.
• the invention comprises a method of mounting a roll of expandable slit sheet paper on an apparatus for expanding and dispensing expanded slit sheet paper, wherein the expanding and dispensing apparatus has a first core support member attached to a first side wall member and a second side wall member.
• a roll of expandable slit sheet paper has an interior core member and a roll of expandable slit sheet paper wound on the interior core member.
• the interior core member has an axial length that is greater than the width of the slit sheet paper and has a first interior core member end region and a second interior core member end region that extend beyond the roll of expandable slit sheet paper.
• the apparatus includes an elongated frictional resistance member hingedly coupled to a side wall support member.
• the first interior core member end region of the first interior core member is positioned in a supporting relationship with the first core support member of the attached to a first side wall member by bringing the first interior core member end region under the elongated frictional resistance member and into supported contact with the first core support member while the second interior core member end region is rotated into contact with and resting upon a second core support member region in the second side wall member.
• Dispensing the slit sheet paper by drawing the slit sheet paper against the resistance of the elongated frictional resistance member, and expanding the expandable slit sheet paper.
• FIG. 1 is a perspective view of the dispensing and expanding apparatus and the tensioning device.
• FIG. 2 is a perspective view of the dispensing and expanding apparatus, the tensioning device, and the paper roil loaded on the dispensing and expanding apparatus.
• FIG. 3 is a side view of the dispensing and expanding apparatus, the tensioning device, and the paper roll loaded on the dispensing and expanding apparatus.
• FIG. 4 is a perspective view of the tensioning device with the paper roil positioned at an angle with respect to the dispensing and expanding apparatus, for loading the paper roll on the dispensing and expanding apparatus.
• FIG. 5 is a perspective view of the paper roll wound on a hollow core member.
• FIG. 6 is a perspective view of the dispensing and expanding apparatus of FIG. 4.
• FIG. 7 is a fragmentary end view of an elongated interior core member mounted in a core support member.
• FIG. 8 is a side view of a dispensing and expanding apparatus with a paper roll having the ends of its elongated interior core member mounted in core support members.
• FIG. 9 is a fragmentary end view of an alternate embodiment of an elongated interior core member mounted in a core support member.
• paper roll describes the slit sheet material wound around a paper core that is wider than the slit sheet material.
• the term“hingedly coupled” means a structure such as a piece of metal that is fastened to another structure such that its end opposite to its hinged end, is enabled to move between varying degrees of positions and is inclusive of a cantilevered member that is sufficiently flexible for its unsupported end to move between varying degrees of positions.
• the term“yoke” means a structure contoured or shaped to carry a load.
• the term“rod” means an a straight piece (as metal) that is longer than it is wide and is sufficiently rigid to span an opening such as in a yoke and function as a lever for applying a force against the outer surface of the exterior section of the interior core of a roll of expandable slit paper.
• the term “rod” is inclusive of a slender bar, a pole, rod, shaft, strut, and a beam.
• the term“core support member” means a structure that contacts the exterior end of a core member and bears the weight of a roll of paper that is wound around the core member by having the weight borne from below or interior of a hollow core member.
• the term“paper core” means the round paper tube around which the expandable slit sheet paper is wound.
• the term “curvature” means an essentially circular or arcuate configuration that is shaped or curved like an arc or bow.
• tensioning mechanism means a pressure assembly that applies pressure to an exterior end of a paper core to variably increase or decree friction.
• the term“attached” means securely fixing one part to another as in the art of assembling wood, wood composites, metals, or plastics in order to create a bolted, screwed, secured, fastened, or sealed assembly and is inclusive of permanent assemblies and configurations that can be disassembled.
• the term“extend beyond the ends of the paper roll” means the ends of an elongated core member that protrude beyond the ends of the paper roll.
• the term“horizontal” means parallel to the plane of the horizon.
• the term“inclined” means forming an angle with respect to a horizontal plane, due to its slope or tilt.
• biasing means a steady weight factor applied to a roll of expandable slit paper to cause it to lean toward the tensioning mechanism first core member.
• a purpose of the design of the present invention is to eliminate the loss of these parts due to their constant removal and the labor savings associated with their removal and reattachment
• the tensioning device in its preferred embodiment is to be made from aluminum but, can be made from wood and steel.
• the tensioning device and specifically the tension rod, spring and thumbscrew are of the same design as found in nonprovisional patent 15/428,144, (publication, US 2018/0222665, the disclosure of which is incorporated by reference herein, as though recited in full).
• the new art utilizes a short bar on the tensioning side and a yoke on the opposite side. This combination enables the paper to be loaded without the need for removing the tensioning rod, thumbscrew, and spring.
• Fig 1 is a perspective view of the entire tensioning assembly and dispensing structure 100 without the roll of expandable slit paper.
• the tensioning assembly is mounted on side fixture 101.
• the tensioning assembly includes a tension member 103, thumbscrew 104, and spring 105.
• the tension member 103 can be in the form of a rod or bar.
• the tensioning assembly applies tension, that is, rotational resistance, to the paper core, 204 (shown in FIG 5) by pressing the core end region 203 (as shown inf FIG.s 3 and 4) against core support 102 that is in the form of a support bar that is fixed, that is, attached to fixture 101.
• the side fixture 106 provides support for the interior core end region
• Tensioning assemblies 103,104 and 105 of FIG. 1 are of the same basic design as disclosed in US nonprovisional patent application, 15/428,144 (Publication No. 2018- 0222665).
• the bottom of the yoke area 107 supports the paper core end region 201 , as shown in FIG 2.
• the paper core end region 201 rests in the yoke area 107 of the side fixture 106.
• the paper core end region 201 can be held in place by a core positioning member 108 that holds back the paper roll 201 of FIG 2, thus inhibiting the end core region 201 from sliding on the core support member 102.
• FIG 2 is a perspective view of the tensioning system loaded with paper roll 200. As shown in FIG.s 2 and 3, paper core 204 end region 201 is resting in the yoke region 107 and positioning member 208 is a bent metal member attached to side fixture 106.
• FIG 3 is the front view of the alternative angled design where paper roll 200 is at a slight angle as compared to a horizontal table surface as indicated by line 300.
• the orientation relationship is illustrated by means of the horizontal line 301 that is parallel to horizontal line 300.
• the space 303 between paper roll 200 and horizontal orientation line 301 is smaller than space 302.
• This relationship is achieved by having the bottom of the yoke area 107, of FIG 1 , higher than the bottom of the core end 203 as positioned on the support bar 102 of FIG 1.
• Line 300 depicts the horizontal table top while support bar 102 of fixture 101 positions the paper core end 203 lower than the position of the core end 201 on the yoke 107.
• Arrow 304 depicts yoke 106 being higher than fixture 101 creating the angling of the paper roll 200 relative to the horizontal table top.
• the yoke 102 is in the form of a support bar positioned interior of the paper core end 203 and thus not shown in FIG 3.
• the cylindrical paper core member 204 is suspended, that is supported, at its exterior end regions 201 and 203 from the yoke region 107 of frame 106 and the support bar 102, respectively.
• a thumbscrew 108 can be threaded upward in direction of paper core end region 201 to stop the lateral movement of paper core end region 203 away from the support bar 102 and fixture 101.
• a thumbscrew to lock the paper in position is to have the yoke region 107 positioned upward relative to the core support 102, to provide a slightly angled paper roll and use gravity to keep the paper against the tension side of the device.
• the angling of the paper roll 200 biases the paper roll toward the tension member 103 and the fixture 101.
• the tensioning device Once the tensioning device is firmly in position and the paper is mounted, it will function in as described in nonprovisional 15/428,144.
• a thumbscrew 310 located on the outer side of the yoke, can be screwed upward to avoid the paper from sliding outward and away from the tensioning side of the device.
• FIG. 4 illustrates the method of mounting the paper roll 200 on the tensioning and dispensing system 100.
• the paper roll is positioned at an angle with respect to the dispensing and expanding apparatus, for loading the paper roil on the dispensing and expanding apparatus.
• the core support member 102 as shown in FIGs 1 , 3, and 6, is inserted into the hollow cylindrical core member 204, paper core end 203 and the paper core end region 201 is lowered into its position in the yoke region 107 of fixture 101 by rotating the roll 200 on the core support 102 as indicated by curve arrow 410.
• FIG. 5 is a perspective view of the paper roll 200 showing the hollow interior core member 204.
• the length of the interior core 204 is longer than the width of the paper roll 200 and thus has two exterior ends 201 and 203 that extend beyond the ends of the paper roll 200.
• the exterior end 203 provides a friction surface and, in
• the core member 204 can be of any rigid material such as metal or plastic, but paper is highly preferred.
• FIG. 6 is a perspective view of the dispensing and expanding apparatus of FIG. 3.
• the support bar 102 of fixture 101 positions the paper core end 203 lower than the position of the core end 201 on the yoke 107.
• the yoke of fixture 106 supports the core end 201 at a higher position than core support 102 supports the core member 204 thus creating the angling of the paper roll 200 relative to the horizontal table top.
• FIG. 7 is a fragmentary end view of an elongated interior core member 201 mounted in a core support member 400.
• the first core support member 400 has a radius greater than the radius of the first interior core member 203 and an arc that provides an open region that is sufficient for a friction means such as shown in FIG. 7 to contact the surface of the first interior core member end region 203.
• the radius of the first core support member is sufficiently greater than the radius of the first interior core member in order to enable the first interior core member to be inserted into the first core support member.
• FIG. 8 is a side view of a dispensing and expanding apparatus with a paper roll having the ends of its elongated interior core member mounted in core support members.
• the arc of the core support member 400 is less than about 300° and preferably no greater than 240° in order to enable the tension rod 103 to contact the first interior core member 203’s outer surface.
• the second core support member 900 has a first surface in contact with the surface of the second interior core member end region 201 and has an arcuate configuration as shown in FIG. 9.
• the arcuate configuration has a curvature that cooperates with the curvature of the outer surface of the second interior core member end region.
• the second core support member 900 outer surface has a radius greater than the radius of the second interior core member and preferably an arc of less than 180°. Most preferably, the arcuate configuration has an arc of between 180° and 110°.
• the second interior core member 201 can be lifted off the second core support member 400 and the roll of expandable slit sheet paper rotated about the first core support member 900 and separated from the expanding and dispensing apparatus.
• the paper roll can be positioned in the expander-dispenser inserting the first interior core member 203 in the support member.
• the roll of expandable slit sheet paper 200 is rotated about the first core support 400 and the second interior core member 203 is dropped onto the core support member 900.
• the paper roll 200 is then in a position to be drawn from the expanding and dispensing apparatus.
• the terms "about”, “substantially”, and “approximately” when referring to a numerical value shall have their plain and ordinary meanings to a person of ordinary skill in the art to which the disclosed subject matter is most closely related or the art relevant to the range or element at issue.
• the amount of broadening from the strict numerical boundary depends upon many factors. For example, some of the factors which may be considered include the criticality of the element and/or the effect a given amount of variation will have on the performance of the claimed subject matter, as well as other considerations known to those of skill in the art.
• any ranges, ratios and ranges of ratios that can be formed by, or derived from, any of the data disclosed herein represent further embodiments of the present disclosure and are included as part of the disclosure as though they were explicitly set forth. This includes ranges that can be formed that do or do not include a finite upper and/or lower boundary. Accordingly, a person of ordinary skill in the art most closely related to a particular range, ratio or range of ratios will appreciate that such values are unambiguously derivable from the data presented herein.

Landscapes

• Unwinding Webs (AREA)
• Replacement Of Web Rolls (AREA)
• Packaging Of Machine Parts And Wound Products (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (2)

Family

ID=68386742

Family Applications (1)

Country Status (8)

Family Cites Families (20)

• 2019
  • 2019-04-29 AU AU2019262968A patent/AU2019262968A1/en active Pending
  • 2019-04-29 KR KR1020207033390A patent/KR20210005900A/ko unknown
  • 2019-04-29 DE DE212019000270.6U patent/DE212019000270U1/de active Active
  • 2019-04-29 WO PCT/US2019/029684 patent/WO2019212980A2/en unknown
  • 2019-04-29 EP EP19795837.4A patent/EP3787979A4/en active Pending
  • 2019-04-29 CN CN201980043174.7A patent/CN112533832A/zh active Pending
  • 2019-04-29 MX MX2020011431A patent/MX2020011431A/es unknown
  • 2019-04-29 JP JP2021509726A patent/JP2021520325A/ja active Pending

Also Published As

Similar Documents

Legal Events