Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
  • B67B7/00—Hand- or power-operated devices for opening closed containers
  • B67B7/30—Hand-operated cutting devices
  • B67B7/34—Hand-operated cutting devices with rotatable cutters
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
  • B67B7/00—Hand- or power-operated devices for opening closed containers
  • B67B7/30—Hand-operated cutting devices
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
  • B67B7/00—Hand- or power-operated devices for opening closed containers
  • B67B7/30—Hand-operated cutting devices
  • B67B2007/303—Hand-operated cutting devices can openers

Definitions

• the present invention relates to a can lid resection instrument.
• Patent Literature 1 discloses an instrument having a rotating blade for cutting the inner surface of the rising edge wall at the upper end of the can and a bar-shaped hook for holding the cut-off pull top of the lid.
• the can lid excision instrument of Patent Document 1 has the problem of requiring complicated operations when used.
• a can lid cutting instrument for cutting a lid from a can by cutting a cylindrical rising portion on the outer periphery of the upper end of the can, wherein the rising portion is cut off from the can.
• a main body having a receiving recess, a blade provided in the main body for cutting the rising portion, and the blade facing the rising portion when the main body is attached to the can and a pull-tab holding part provided inside the recess for holding the pull-tab of the lid while the main body is attached to the can.
• the pull-tab holding portion includes a holding protrusion that is inserted into an opening of the pull-tab and holds the pull-tab, and a connection that extends from the main body toward the inside of the recess and connects the holding protrusion and the main body. and a portion, wherein the pull-tab held by the pull-tab holding portion is fixed to the lid by rotating the body portion in the circumferential direction of the can while being attached to the can. It may be configured to rotate together with the main body about a fixing pin that is attached to the body.
• connection portion is rotatably supported by the main body portion so that the holding projection portion is located inside the recess and the holding projection portion is separated downward from the recess. It may be configured to be movable in both directions.
• the pull tab holding portion may have a pair of pull tab holding recesses for receiving the pull tabs on both sides of the holding projection portion in the circumferential direction of the recess.
• the main body may have an annular shape with an opening that exposes at least the vicinity of the central portion of the lid when the main body is attached to the can.
• the blade body cuts the inner circumference of the rising portion, and the operation portion is provided so as to move relative to the main body portion in a direction approaching the recess and a direction away from the recess, It may be configured such that when the operating portion moves toward the main body portion, the blade advances toward the outside of the recess.
• the main body is provided at a position on the opposite side of the blade with the rising portion therebetween when the main body is attached to the can, and is a sliding member that presses the outer peripheral surface of the rising portion. may further have
• the cross-sectional shape of the sliding member may include a projecting portion that abuts below the seam portion of the rising portion when the blade is pressed against the rising portion.
• the main body portion may have a protrusion that elastically abuts against the seam tightening portion of the rising portion of the can when the main body portion is attached to the can.
• the body portion may further include a cleaning member that comes into contact with the cut portion formed on the rising portion by the blade body and cleans the cut portion.
• the main body has an annular shape with an opening that exposes at least the vicinity of the central portion of the lid when the main body is attached to the can, and the annular main body has an outer periphery of the rising portion. and an extending portion region formed so as to be continuous with the guide portion region and extend in a direction away from the rising portion. It may have a shape.
• the main body portion advances toward the outer peripheral surface of the rising portion that is not guided by the guide portion region, and applies a force in a direction to press the adapter member against the outer peripheral surface and press the outer peripheral surface. and an elastic member.
• the adapter member may include a lever portion located inside the extension region and operated by a user to move the adapter member away from the raised portion.
• FIG. 1 is a top perspective view of a can capping instrument according to an embodiment of the present invention
• FIG. Fig. 2 is a perspective view of the can lid-cutting instrument as seen from the underside
• Fig. 2 is a top plan view of the can capping instrument as seen from the top side
• Fig. 10 is a bottom view of the can lid cutting instrument from the underside
• Fig. 2 is a perspective view of the can lid cutting instrument with the top cover of the main body removed
• Fig. 3 is a plan view of the can lid cutting instrument with the top cover of the main body removed
• Fig. 3 is a side view of a can capping instrument
• It is a perspective view showing only an operation part.
• Fig. 2 is a perspective view of the can lid-cutting instrument as seen from the underside
• Fig. 2 is a top plan view of the can capping instrument as seen from the top side
• Fig. 10 is a bottom view of the can lid cutting instrument from the underside
• FIG. 2 is a perspective view showing the can lid-cutting instrument attached to a can; It is a figure which shows the structure of a can.
• 4A and 4B are a perspective view and a front view of a pull-tab holding portion;
• FIG. It is a perspective view which expands and shows a pull-tab holding
• FIG. 5 is a schematic diagram for explaining the movement of the pull-tab holding part;
• FIG. 3 shows how the can lid-cutting device is attached to a can;
• FIG. 3 shows the can lid-cutting instrument attached to a can;
• Fig. 10 shows a modification of the can lid-cutting instrument of the present invention;
• FIG. 11 is a perspective view of an example of another embodiment of a can lid-cutting instrument; Fig.
• FIG. 18 is a perspective view of the can capping instrument of Fig. 17 as seen from the underside;
• FIG. 18 is a bottom view of the can lid cutter of FIG. 17;
• 1 is a perspective view showing a state in which a can lid-opening instrument according to one embodiment of the present invention is attached to a can;
• FIG. 1 is a top perspective view of a can capping instrument;
• FIG. 1 is a plan view of a can lid-cutting instrument;
• FIG. Fig. 2 is a perspective view of the can lid-cutting instrument as seen from the underside; It is a figure for demonstrating a sliding member. It is a perspective view which shows a sliding member and its peripheral structure.
• Fig. 2 is a top view of the can capping instrument;
• Fig. 10 is a perspective view showing an adapter member that holds the rising portion of the can; It is a figure which shows the adapter member provided in the main-body part.
• FIG. 11 is a diagram for explaining
• FIG. 1 is a top perspective view of a can capping instrument 100 according to one embodiment of the present invention.
• FIG. 2 is a perspective view of the can lid cutting instrument 100 as seen from the underside.
• FIG. 3 is a top plan view of the can lid cutting instrument 100.
• FIG. 4 is a bottom view of the can lid cutting instrument 100 viewed from the underside.
• FIG. 5 is a perspective view of the can lid cutting instrument 100 with the upper cover 10-1 of the main body 10 removed.
• FIG. 6 is a plan view of the can lid cutting instrument 100 with the top cover 10-1 of the main body 10 removed.
• FIG. 7 is a side view of the can capping instrument 100.
• FIG. FIG. 8 is a perspective view showing only the operating section 30.
• FIG. FIG. 9 is a perspective view showing the can lid-cutting instrument 100 attached to the can 200.
• FIG. FIG. 10 is a diagram showing the configuration of the can 200. As shown in FIG.
• a can lid cutting instrument 100 is an instrument for cutting a lid from a can, and as shown in FIG. The detailed structure of each part will be described later.
• the can 200 is a can containing soft drinks or alcoholic beverages, for example, and includes a can body 201 and a lid 202, as shown in FIG.
• the can body 201 has a cylindrical shape, and a lid 202 is provided on its upper portion.
• the lid 202 is disc-shaped and fixed to the can body 201 via a cylindrical rising portion 205 formed on the top of the can body 201 .
• a seam portion 205 s is formed at the upper end portion of the rising portion 205 .
• the seam portion 205 s is an annular portion that slightly protrudes from the outer peripheral surface of the can body 201 toward the radially outer side of the can 200 .
• the material of the can 200 from which the lid 202 can be cut by the can lid cutter 100 is not particularly limited, and the can 200 may be an aluminum can or a steel can. Also, the size of the can 200 (in particular, the diameter of the lid 202) is arbitrary.
• a pull tab 210 is provided on the upper surface of the lid 202 (see also FIG. 9).
• the pull tab 210 is a member for partially opening the lid 202 and is attached to the lid 202 with a fixing pin 220 .
• a fixed pin 220 is located in the center of the lid 202 and the pull tab 210 is rotatable about the fixed pin 220 .
• the can lid cutting instrument 100 rotates in the circumferential direction of the can 200 with the main body 10 attached to the can 200 , so that the blade body 20 moves inside the rising portion 205 of the can 200 .
• the circumference is cut to separate the lid 202 from the can body 201.
• the user can cut off the lid 202 by a simple operation of rotating the can lid cutter 100 relative to the can 200 while holding the can lid cutter 100 with one hand, for example. Further, since the pull tab 210 is held by the pull tab holding portion 40, the lid 202 does not fall into the can 200 even after the lid 202 is cut off.
• the main body 10 is an annular member having an upper cover 10-1 and a lower cover 10-2 and an opening 10h formed in the center.
• the main body 10 has a contour shape close to an ellipse in which the corners of a rectangle are arc-shaped.
• the opening 10 h is, for example, circular, and is sized to expose at least the central portion of the lid 202 when the main body 10 is attached to the can 200 .
• the diameter of the opening 10h is 50% or more and 90% or less of the diameter of the lid 202 of the can 200.
• the opening 10h is formed in such a size, it is advantageous that the user can easily check the cutting state of the lid 202 and the holding state of the pull tab 210 through the opening 10h when using the can lid cutting instrument 100.
• the shape of the opening 10h is not limited to circular, and may be rectangular, elliptical, or polygonal.
• the lower surface of the main body 10 is provided with a circular concave portion 11 formed in a circular shape to receive the rising portion 205 of the can 200.
• the diameter of the circular concave portion 11 is slightly larger than the diameter of the raised portion 205 .
• the circular concave portion 11 is formed concentrically with the opening portion 10h of the main body portion 10 with the central point P as the center.
• the circular concave portion 11 is formed by an inner peripheral wall 11w and an upper surface 11u, as shown in FIG.
• the inner peripheral wall 11w is a cylindrical wall extending in the thickness direction of the body portion 10 .
• the inner peripheral wall 11w has a function of guiding the rising portion 205 of the can 200. As shown in FIG.
• the upper surface 11u is an annular surface extending in a direction orthogonal to the thickness direction of the body portion 10.
• a plurality of ribs 11u' projecting from the upper surface 11u by a predetermined height are formed on the upper surface 11u.
• the rib 11u' is a structural portion that contacts the upper end of the rising portion 205 of the can 200 when the can lid removing instrument 100 is attached to the can 200. As shown in FIG.
• the circular recess 11 is formed with a pair of protrusions 13 projecting radially inwardly of the circular recess 11 from the inner peripheral wall 11w.
• the protrusions 13 are provided at positions on the center line Lx and symmetrical with respect to the center line Ly.
• the projecting portion 13 is a portion that elastically abuts on the seam tightening portion 205s of the rising portion 205 of the can 200 when the main body portion 10 is attached to the can 200 .
• the projecting portion 13 has, for example, a substantially radial hemispherical shape.
• the function of the protrusion 13 will be described later with reference to other drawings. Although a pair of protrusions 13 are provided in this embodiment, the number of protrusions 13 is arbitrary. good.
• the blade body 20 is a circular rotary blade provided on the main body 10, as shown in FIGS. Specifically, the blade body 20 is attached to a portion of the operating portion 30 with a fixing screw 21 . The blade body 20 rotates around the central axis of a fixing screw 21 extending in the thickness direction of the body portion 10 . The outer periphery of the blade body 20 is formed with a circular cutting edge that contacts the inner periphery of the rising portion 205 of the can 200 from the horizontal direction.
• the blade body 20 is a replaceable part, as will be described later.
• the operating portion 30 is a member for moving the blade 20, and more specifically, a member for moving the blade 20 toward the rising portion 205 when the main body 10 is attached to the can 200. be.
• the operating portion 30 has a handle portion 31 and a body member 32, as shown in FIGS.
• the handle portion 31 is a portion that is pushed toward the main body portion 10 by the user when using the can lid resection instrument 100 .
• the handle portion 31 is formed to have a length slightly shorter than the long side of the main body portion 10, as shown in FIG. Since the handle portion 31 is formed to have such a length, the user can, for example, hold the can lid cutting instrument 100 with one hand and press the operation portion 30 with four fingers from the index finger to the little finger. It can be firmly pushed toward the part 10 side.
• the handle portion 31 is a member for pressing the blade body 20 toward the rising portion 205 using the principle of leverage. This is advantageous in that the rising portion 205 can be cut off with . It is not essential that the handle portion 31 is formed shorter than the body portion 10 , and the handle portion 31 may be formed longer than the body portion 10 .
• the handle portion 31 is formed such that the length in the thickness direction of the body portion 10 is shorter than the thickness of the body portion 10, as shown in FIG. Since the handle portion 31 is configured in this manner, the handle portion 31 is not bulky, and the can lid cutting instrument 100 can be formed compactly. However, such a configuration is not an essential configuration in the present invention, and the handle portion 31 may have the same thickness as the main body portion 10 or may be longer than the main body portion 10 .
• the body member 32 is attached to the body portion 10 so as to be rotatable about the axis S1.
• Axis S1 is an axis extending in the thickness direction of body portion 10 .
• a blade body cover portion 32a in which the blade body 20 is accommodated and a holding portion for the blade body 20 are formed in the main body member 32 at a position closer to the axis S1.
• the blade body cover portion 32a is formed in a substantially cylindrical shape and covers the blade body 20. As shown in FIG. The provision of the blade body cover portion 32 a prevents the user's finger from touching the blade body 20 .
• the blade body cover part 32a does not cover the blade body 20. This allows the user to access the fixing screw 21 that fixes the blade 20 . The user can replace the blade body 20 by removing the fixing screw 21 and removing the blade body 20 as necessary.
• the main body member 32 has an arcuate long hole 35 as shown in FIG.
• the elongated hole 35 is formed at the end of the body member 32 on the side away from the shaft S1.
• the long hole 35 is a structural part for restricting the rotation range of the operation part 30 , and the boss B of the main body part 10 passes through the inside of the long hole 35 .
• the operation part 30 can be set in any direction between the direction in which the boss B abuts one end 35a of the long hole 35 and the direction in which the boss B abuts the other end 35b of the long hole 35 about the axis S1. Rotate so that it is in the direction of
• the operating portion 30 is provided so as to move relative to the main body portion 10 in the substantially radial direction of the circular concave portion 11 .
• the operation portion 30 rotates about the axis S1, and the blade body 20 moves toward the outside of the circular concave portion 11. It advances so that it may approach the inner peripheral wall 11w.
• the operating part 30 is biased in a direction away from the main body part 10 by a biasing means (not shown) such as a torsion spring or a plate spring.
• the biasing means may be provided near the axis S1. Note that in one aspect of the present invention, such biasing means may not be provided.
• the operating portion 30 In a configuration in which the operating portion 30 is biased away from the main body portion 10 by the biasing means, the operating portion 30 protrudes from the main body portion 10, which increases the size of the can lid cutting instrument 100 when stored. put away. Therefore, in the configuration of the present embodiment, the elongated hole 35 is provided with the protrusion 35t.
• the protrusion 35t is formed on the inner periphery of the long hole 35, and the width of the long hole 35 is partially narrowed at the location where the protrusion 35t is formed. Specifically, the width of the long hole 35 is formed to be approximately the same as the diameter of the boss B but slightly shorter than it.
• the operating section 30 has a tool holding section 37.
• the tool holding portion 37 is a structural portion that holds a tool T for removing the fixing screw 21 that fixes the blade body 20 to the operation portion 30 .
• the tool holding portion 37 may be provided at any position of the operating portion 30, but is formed on the lower surface side of the operating portion 30 in this embodiment.
• the tool holding portion 37 is a groove for receiving the tool T, and the tool T is, for example, a hexagonal wrench.
• the tool holder 37 may hold other types of tools T such as Phillips screwdrivers, flat screwdrivers or star screwdrivers. According to the configuration of this embodiment, since the tool T is provided in the operation section 30, the user can use this tool T to replace the blade body 20.
• the pull-tab holding portion 40 is a member that holds the pull-tab 210 of the lid 202 when the main body portion 10 is attached to the can 200, as shown in FIG.
• the pull-tab holding portion 40 is provided inside the circular concave portion 11 of the main body portion 10, as shown in FIG.
• the pull-tab holding part 40 is provided, for example, at a position opposite to the blade body 20 across the center line Ly.
• FIGS. 11 to 14 A detailed configuration of the pull-tab holding portion 40 will be described with reference to FIGS. 11 to 14.
• FIG. 11A and 11B are a perspective view and a front view of the pull-tab holding portion 40.
• FIG. 12 is an enlarged perspective view showing the pull-tab holding portion 40 and its peripheral structure.
• 13A and 13B are schematic diagrams for explaining the movement of the pull-tab holding portion 40.
• the pull-tab holding portion 40 has a tip portion 41, a connecting portion 43, and a rotating shaft portion 45, as shown in FIG.
• the pull-tab holding part 40 is a member formed by bending one wire, for example.
• the wire is made of metal, for example, and has a circular cross-sectional shape. A modified example of the pull-tab holding portion 40 will be described later.
• the tip portion 41 includes a holding protrusion 41a inserted into the opening 210h (see FIG. 9) of the pull tab 210, and a pair of pull tab holding recesses 41b formed on both sides of the holding protrusion 41a. As shown in FIG. 11(b), the distal end portion 41 is provided in a symmetrical shape with respect to the center line CL.
• the holding protrusion 41a extends upward from the bottom of the pull-tab holding recess 41b.
• the retaining projection 41a is formed slightly inclined so that it can be easily inserted into the opening 210h of the pull tab 210 when the can lid cutter 100 is used.
• the holding protrusion 41a is inclined in such a direction that the tip side thereof is closer to the center point P side of the circular concave portion 11 than the lower end side thereof.
• the holding protrusions 41a may be provided so that the inclination angle with respect to the thickness direction of the can lid resection instrument 100 is within a range of, for example, 5° or more and 45° or less.
• the pull-tab holding part 40 is a member that holds the pull-tab 210 and rotates the pull-tab 210 around the fixing pin 220 when the can lid resection instrument 100 is used.
• the pull tab 210 is formed in a direction parallel to the thickness direction of the lid 202 (a direction perpendicular to the width direction of the pull tab 210) when it is attached to the lid.
• the pull-tab holding recess 41b is a portion that receives the pull-tab 210.
• the pull-tab holding recess 41b is formed with sufficient depth so that the pull-tab 210 can be received stably. Similar to the retaining projection 41a, the sides 41b' of the pull tab retaining recess 41b also prevent the pull tab 210 from being dislodged from the pull tab retaining portion 40 when the can lid cutter 100 is attached to the can 200 while the pull tab 210 is rotating. is formed in a direction parallel to the thickness direction of the lid 202 (a direction orthogonal to the width direction of the pull tab 210).
• the holding protrusion 41a and the pull-tab holding recess 41b are configured as described above, there is an effect that the pull-tab 210 is less likely to come off from the pull-tab holding portion 40 when the user rotates the can lid cutting instrument 100. be done.
• the tip portion 41 is formed symmetrically in the circumferential direction of the circular concave portion 11 with the center line CL as a reference. Therefore, the pull tab retainer 40 can hold the pull tab 210 well whether the can capping instrument 100 is rotated relative to the can 200 either clockwise or counterclockwise.
• the tip portion 41 has a pair of pull-tab holding recesses 41b, but the tip portion 41 may have only the holding protrusions 41a.
• the connecting portion 43 extends from the main body portion 10 toward the inside of the circular concave portion 11 as shown in FIG.
• the connecting portion 43 is a structural portion that connects the distal end portion 41 and the main body portion 10 .
• a rotating shaft portion 45 is formed at the end portion of the connecting portion 43 .
• the rotating shaft portion 45 is formed at the end portion of the connecting portion 43 opposite to the tip portion 41 .
• the rotating shaft portion 45 is rotatably supported by the main body portion 10 , thereby allowing the pull-tab holding portion 40 to rotate with respect to the main body portion 10 .
• a groove 18 is formed in the main body 10 of the can lid resection instrument 100 as shown in FIG.
• the groove 18 is a groove for restricting the movable range of the pull-tab holding portion 40 .
• the pull-tab holding portion 40 is provided so as to be movable in a direction in which the tip portion 41 is positioned inside the circular recess 11 and in a direction in which the tip portion 41 is separated downward from the circular recess 11 .
• the direction in which the tip portion 41 is located inside the circular recess 11 is the direction in which the pull-tab holding portion 40 extends in the horizontal direction as shown in FIGS. 12 and 13(a).
• the direction in which the distal end portion 41 moves downward from the circular concave portion 11 is the direction in which the connecting portion 43 extends downward from the main body portion 10, as shown in FIG. 13(b).
• the groove 18 is formed with a pair of projections 18a.
• the projection 18a is a structural portion for restricting rotation of the pull-tab holding portion 40.
• the width of the groove 18 is formed narrower than the thickness of the wire material of the pull-tab holding portion 40 at the location where the projection 18a is formed.
• a single projection 18a may be formed instead of the pair of projections 18a.
• the shape of the protrusion 18a itself is not limited at all, and the protrusion 18a may be formed in any shape.
• FIG. 14 is a diagram showing how the can lid-cutting instrument 100 is attached to a can 200.
• FIG. 15 is a diagram showing the state in which the can lid-cutting instrument 100 is attached to the can 200.
• the order of operations described below does not limit the present invention in any way, and the order of operations may be changed as appropriate.
• the user prepares the can lid-cutting instrument 100 and the can 200 and pulls out the operation part 30 from the main body part 10 of the can lid-cutting instrument 100 .
• the user pushes down the pull-tab holding portion 40 from the main body portion 10 as shown in FIG. As a result, the tip portion 41 of the pull-tab holding portion 40 is positioned below the main body portion 10 .
• the user inserts the holding projection 41a of the tip 41 of the pull-tab holding part 40 into the opening 210h of the pull-tab 210 from below the pull-tab 210.
• the holding protrusion 41 a is formed to be slightly inclined, so that the user can easily insert the holding protrusion 41 a into the opening 210 h of the pull tab 210 .
• the user attaches the can lid removing instrument 100 to the can 200 so that the raised portion 205 of the can 200 is inserted into the circular recess 11 of the main body 10 .
• the pair of protrusions 13 in the circular recess 11 elastically abut against the seam 205 s of the rising portion 205 .
• the pair of projections 13 overcomes the seam portion 205s and elastically contacts the outer peripheral surface of the can 200 below the seam portion 205s.
• the pair of projecting portions 13 produces a click feeling when the seam portion 205s is overcome.
• the user can feel that the can lid removal instrument 100 has been attached to the correct attachment position. Moreover, the action of the protrusion 13 makes it difficult for the can lid-cutting instrument 100 to come off from the can 200, and as a result, the can lid-cutting instrument 100 is kept at the desired mounting position.
• the cutting edge of the blade body 20 is not yet in contact with the inner periphery of the rising portion 205. Therefore, the user moves the operation unit 30 toward the main unit 10 .
• the user moves the operation part 30 toward the main body part 10 while gripping the can lid cutting instrument 100 with one hand.
• the entire operation portion 30 rotates around the axis S ⁇ b>1 (see FIG. 6 ), and the cutting edge of the blade body 20 is pressed against the inner circumference of the rising portion 205 .
• the handle portion 31 of the operation portion 30 is formed relatively long along the body portion 10, while the blade body 20 extends along the axis S1. located relatively close to the Specifically, the distance from the center of the axis S1 to the portion of the handle portion 31 on the side away from the axis S1 (the portion that becomes one of the points of effort during use) is the distance from the center of the axis S1 to the center of the blade body 20.
• the operation part 30 is formed so as to be longer than the distance of . Since the operation portion 30 is formed in such a shape, the user can push the blade body 20 against the rising portion 205 with a force greater than the force applied to the handle portion 31, which is the point of effort, by the principle of leverage. can be pushed.
• the user rotates the can lid cutter 100 with respect to the can 200 while pushing the operation part 30 toward the main body 10 .
• the can lid cutting instrument 100 is rotated with respect to the can 200, the cutting edge of the blade body 20 rolls while being pressed against the inner periphery of the rising portion 205, thereby gradually cutting the inner periphery of the rising portion 205. .
• the pull tab 210 held by the pull tab retainer 40 rotates about the fixed pin 220 while the can capping instrument 100 is rotated.
• the rib 11u' in the circular recess 11 is in contact with the upper end of the rising portion 205 of the can 200, and the can lid cutter 100 rotates.
• the contact area between the rib 11u' and the rising portion 205 is reduced, and the user can easily rotate the can lid cutter 100.
• FIG. Further, in the case of the configuration in which the rib 11u' abuts on the rising portion 205, there is also an advantage that it is easy to increase the dimensional accuracy of the parts during manufacturing and to increase the positional accuracy during installation.
• the lid 202 is separated from the can 200 by rotating the can lid cutter 100 one or more turns until the inner circumference of the riser 205 is cut all the way around. After the lid 202 is separated, the user lifts the can lid cutter 100 away from the can 200 . As a result, the lid 202 is cut off and the can 200 is opened at the top.
• the pull-tab holding part 40 may rotate downward from the horizontal direction, or the pull-tab holding part 40 may rotate downward from the horizontal direction. orientation may be maintained.
• the user attaches the can lid cutter 100 to the can 200, and rotates the can lid cutter 100 while pushing the operation section 30 toward the main body 10.
• Lid 202 can be cut off from can 200 with a simple operation. Further, the separated lid 202 is held by the pull-tab holding portion 40, so that it is prevented from falling into the can 200.
• the pull-tab holding part 40 is configured to be rotatable with respect to the main body part 10 , when the user attaches the can lid removing instrument 100 to the can 200 , the holding projection part 41 a of the pull-tab holding part 40 can be pushed. It is easy to insert into the opening 210 h of the pull tab 210 .
• the pull-tab holding portion 40 has not only the holding protrusion 41a but also a pair of pull-tab holding recesses 41b for receiving the pull-tab 210 on both sides of the holding protrusion 41a, the pull-tab 210 can be held more stably.
• the user can check the state of cutting the lid 202 through the opening 10h when using the can lid cutting instrument 100.
• the plurality of projections 13 formed inside the circular recess 11 elastically abut against the seam tightening portion 205s of the rising portion 205, so that the user can easily attach the can lid cutter 100. It can be confirmed whether the can lid is correctly attached to the can 200, and the occurrence of erroneous removal of the can lid can be reduced.
• the inner periphery of the rising portion 205 of the can 200 is cut by the blade body 20 and the outer periphery of 205 remains. Therefore, when the user drinks the beverage, the cut portion does not touch the user's mouth and is safe.
• FIG. 16 is a diagram showing a modification of the can lid-cutting instrument of the present invention.
• FIG. 16 is a schematic view of the blade body 20 and the blade body cover portion 32a of the can lid cutting instrument viewed from above.
• the can lid cutter 100 of FIG. 16 has a cleaning member 33 .
• the cleaning member 33 is a member that wipes chips from the cut portion of the inner periphery of the rising portion 205 and cleans the rising portion 205 when the can lid cutting instrument 100 cuts the rising portion 205 .
• the cleaning member 33 may be a brush-like member that contacts the rising portion 205 or an elastic member that contacts the rising portion 205 .
• the raised portion 205 may be made of rubber, for example.
• the cleaning member 33 may be attached to any position of the can lid cutting instrument 100 as long as it contacts the cut portion of the rising portion 205 .
• a cleaning member 33 is attached to the blade body cover portion 32a.
• the cleaning member 33 may be replaceable, for example.
• the body part 10 of the can lid cutting instrument of the present invention may not have the opening 10h.
• the blade 20 may cut the outer circumference of the rising portion 205 of the can 200 .
• the operating portion 30 may not have the protrusion 35 t formed in the long hole 35 .
• the pull-tab holding portion 40 does not have to rotate with respect to the main body portion 10 .
• the shape of the pull-tab holding portion 40 can be changed as appropriate, and may be, for example, a shape of a simply bent plate material.
• the pull-tab holding portion has a connecting portion extending from the inside of the circular recess 11 toward the center, and a holding projection positioned at the tip of the connecting portion and inserted into the opening 210h of the pull-tab 210. It may be a member.
• the pull-tab holding part 40 may be configured to hold other parts instead of holding the opening 210h of the pull-tab 210 .
• a part of the pull-tab holder 40 may be inserted into the opening of the pull-tab 210 located near the fixing pin 220.
• the pull-tab holding portion 40 may be made of any material, and is not limited to metal, and may be made of resin, for example.
• the pull-tab holding portion 40 may be a member partly made of metal and partly made of resin.
• FIG. 17 is a perspective view showing another configuration example of the can lid resection instrument.
• 18 is a bottom perspective view of the can capping instrument 100A of FIG. 17.
• FIG. 19 is a bottom view of the can capping instrument 100A of FIG. It should be noted that the illustration of the pull-tab holding portion is omitted in FIG.
• the can lid cutter 100A differs from the can lid cutter 100 of the above-described embodiment in the following points. Specifically, the can capping instrument 100A has a main body part 110 and a pull tab holding part 140 that are different in shape from the main body part 10 and the pull tab holding part 40 of the can capping instrument 100 . Further, the can lid cutter 100A also has a different structure from the can lid cutter 100 with respect to the structure of the circular concave portion 11 inside the body portion 110 .
• the body portion 110 of the can lid resection instrument 100A is formed in a slightly rounder contour shape than the body portion 10 in the above-described embodiment (see FIG. 19).
• the pull-tab holding part 140 is a member made of resin or metal, for example, and has a holding protrusion 141a and a pull-tab holding recess 141b as shown in FIG.
• the pull-tab holding part 140 is configured to be rotatable in a horizontal direction as shown in FIG. 17 and in a downward direction (not shown) with respect to the main body part 110, as in the above-described embodiment.
• an arcuate rib 11r is formed that protrudes downward from the upper surface 11u.
• the rib 11r is formed so as to extend along a reference circle C2 that is one size smaller than the reference circle C1 along the inner peripheral wall 11w of the circular recess 11 in this example.
• the rib 11r is a structural portion that serves as a guide when cutting other types of cans having a smaller diameter than the can 200 (FIG. 15).
• the diameter of the raised portion is small, so the inner circumference of the circular recess 11 It may be difficult to guide the raised portion well on the surface, and as a result, the lid may not be successfully excised. 17 to 19, in the circular recess 11, a ring-shaped guide recess 12 is formed between the rib 11r and the inner peripheral wall 11w. configured to be able to
• the can lid cutting instrument 100A cuts the rising portion of the can by sandwiching the rising portion between the inner peripheral wall 11w and the blade 20. is set based on the position at which is in contact with the inner peripheral wall 11w. Therefore, the reference circle C1 and the reference circle C2 are not concentric, and the reference circle C2 is slightly eccentric to the blade body 20 side.
• the lids of multiple types of cans having different lid sizes can be satisfactorily removed using the can lid removing instrument 100A.
• FIG. 20 is a perspective view showing a can lid cutting instrument 300 according to one embodiment of the present invention attached to a can 200.
• FIG. FIG. 21 is a top perspective view of the can lid removal instrument 300.
• FIG. FIG. 22 is a plan view of the can capping instrument 300.
• FIG. FIG. 23 is a perspective view of the can capping instrument 300 as seen from the underside.
• each part of the can lid cutter 300 is indicated by a reference number in the 300 series.
• the last two digits of the code correspond in principle to the code of the above-described embodiment, and redundant description is omitted.
• the can lid cutting instrument 300 cuts the rising portion 205 by bringing the blade 320 into contact with the rising portion 205 of the can 200 in the same principle as the above-described embodiment. It has a body portion 310 and an operation portion 330 having different shapes.
• One of the characteristics of the can lid cutting instrument 300 which will be described later in detail, is that a sliding member is arranged near the blade body 320 and an adapter member that presses the rising portion 205 of the can 200 is provided. This is the point. Both the sliding member and the adapter member are not essential, and only one of them may be provided.
• the main body part 310 is formed in a slightly oblong annular shape as shown in FIGS. 20 to 23 .
• the body portion 310 has a shape such that an arc that is part of a large circle (not shown) and an arc that is part of a small circle (not shown) are connected to each other by two straight lines. It is formed in an annular shape.
• the body portion 310 includes a guide portion region 311 and an extension portion region 312 as shown in FIG. 22 .
• the guide area 311 is an arc-shaped area along part of the outer circumference of the rising portion 205 of the can 200 .
• the extension region 312 is a region formed to extend away from the rising portion 205 .
• the extending portion region 312 is formed integrally with the guide portion region 311 so as to be continuous with the guide portion region 311 .
• the operation part 330 is arranged so as to extend in substantially the same direction as the extending part region 312 extends. As in the above-described embodiments, the operation section 330 is pushed toward the main body section 310 by the user.
• the operation portion 330 may have such a shape that almost the entire operation portion 330 is inserted inside the body portion 310 .
• the operation portion 330 may be configured such that, for example, the side surface 330L (FIG. 22) is substantially at the same position as the side surface 310L (outline) of the main body portion 310 when housed. According to such a configuration, the outer shape of the can lid cutting instrument 300 when housed has a shape similar to that of the main body portion 310 schematically depicted in FIG. improves.
• force may be applied to the operation section 330 in a direction away from the main body section 310 by a member such as a leaf spring or a torsion spring.
• the body portion 310 is formed with a recess 310h.
• a blade body 320 and a pull-tab holding portion 340 are provided in the concave portion 310h as in the above-described embodiment.
• An adapter member 360 is also provided in the recess 310h. Details of the adapter member 360 will be described later with reference to other figures.
• FIG. 24 is a diagram for explaining the sliding member 350.
• FIG. 24(a) schematically shows the main body 310, the blade 320 and the sliding member 350
• FIG. 24(b) schematically shows cross sections of the blade 320 and the sliding member 350.
• FIG. 25 is a perspective view showing the sliding member 350 and its peripheral structure.
• the can lid cutting instrument 300 may have a sliding member 350 so that the blade body 20 smoothly cuts the rising portion 205 .
• the sliding member 350 is provided in the recess 310h. Specifically, as shown in FIG. 24, the sliding member 350 is provided at a position such that it presses the outer peripheral surface of the rising portion 205 when the main body portion 310 is attached to the can 200 . More specifically, the sliding member 350 is provided at a position opposite to the blade body 320 with the rising portion 205 therebetween.
• the sliding member 350 has a curved arcuate portion, as shown in FIG.
• the sliding member 350 contacts the outer periphery of the rising portion 205 when the blade body 320 is pressed against the rising portion 205 .
• the sliding member 350 is made of a material having higher slidability than other parts forming the main body 310 .
• the sliding member 350 may be made of resin such as PA (polyamide) or POM (polyacetal).
• the sliding member 350 has a cross-sectional shape including a body portion 351 and a projecting portion 351a projecting radially inward from the body portion 351. As shown in FIG.
• the protruding portion 351a protrudes from the inner peripheral surface 313 (FIG. 25) of the main body portion 310 and abuts below the winding portion 205s (FIG. 15) of the rising portion 205. According to such a configuration, when the blade body 320 cuts the rising portion 205, the projecting portion 351a engages below the seam tightening portion 205s. Body 320 can be maintained in good position. Further, since the outer peripheral surface of the rising portion 205 is pressed by the sliding member 350 during cutting, the rising portion 205 can be stably cut.
• a can lid cutter 300 may include an adapter member 360 as shown in Figures 26-28.
• FIG. 26 is a top view of the can capping instrument 300.
• FIG. FIG. 27 is a perspective view showing the adapter member 360 that holds the rising portion 205 of the can 200.
• FIG. FIG. 28 is a diagram showing an adapter member 360 provided on the body portion 310.
• FIG. FIG. 28 is a top view of the main body 310 with a part thereof omitted.
• the adapter member 360 is a member that presses the outer peripheral surface of the rising portion 205 of the can 200 . As shown in FIG. 26 , the adapter member 360 is provided on the body portion 310 and is configured to be movable so as to advance and retreat with respect to the outer peripheral surface of the rising portion 205 .
• the adapter member 360 has a body portion 361, a guide portion 361a, and a lever portion 363, as shown in FIG.
• the guide portion 361 a is formed in an arc shape corresponding to the shape of the outer peripheral surface of the rising portion 205 of the can 200 .
• the guide portion 361a presses the outer peripheral surface of the rising portion 205 that is not guided by the guide portion region 311, as understood from FIG.
• the guide portion 361 a may abut on the seam portion of the rising portion 205 , but in this example, the guide portion 361 a abuts on a region below the seaming portion of the rising portion 205 . According to such a configuration, the can lid cutter 300 is prevented from floating upward during use, and the rising portion 205 can be cut satisfactorily.
• an elastic member 367 is arranged near the adapter member 360 .
• the elastic member 367 is a member that applies force in a direction to press the adapter member 360 against the outer peripheral surface side of the rising portion 205 of the can 200 .
• the elastic member 367 may be, for example, a coil spring or a rubber tube.
• the elastic member 367 is arranged in a compressed state in FIG. 28, whereby the elastic member 367 urges the adapter member 360 substantially toward the center of the recess 310h.
• the lever portion 363 is a projecting portion operated by the user. As shown in FIG. 26, the lever portion 363 is arranged inside the extending portion region 312 of the main body portion 310 as an example. In this example, the lever portion 363 is provided on the side away from the operation portion 330 (lower side in FIG. 26). With such a configuration, the user can, for example, grip the operating section 330 with four fingers from the index finger to the little finger and operate the lever portion 363 with the thumb.
• the entire adapter member 360 moves away from the rising portion 205 .
• the user attaches the can lid removing instrument 300 to the can 200 in this state.
• the elastic member 367 presses the adapter member 360 toward the rising portion 205 and the guide portion 361 a presses the rising portion 205 .
• the can lid removing instrument 300 is stably attached to the can 200 .
• FIG. 29 is a diagram for explaining a further modification of the can lid resection instrument.
• a can lid cutting instrument of one form of the present invention may have an adapter member 380 on the side opposite to the adapter member 360 illustrated in FIG. Although the adapter member 360 and the adapter member 380 are illustrated in the configuration of FIG. 29, only the adapter member 380 may be provided.
• the adapter member 380 in this example has a body portion 381, a guide portion 381a and a lever portion 383, like the adapter member 360.
• the adapter member 380 may be provided on the main body portion 310 or may be provided on the operation portion 330 .
• the adapter member 380 may be configured to be pressed against the rising portion 205 by an elastic member (not shown).
• the adapter member 380 may be configured so that the adapter member 380 is pressed against the rising portion 205 in conjunction with the operation of closing the operation portion 330 .
• a leaf spring, a coil spring, or the like is provided between the operating portion 330 and the main body portion 310, and the operating portion 330 receives force from these springs, and a force is applied to the operating portion 330 in a direction to open the operating portion 330. It can be like this. In such a configuration, but not limited to, means may be provided for positioning the operating portion 330 in the closed position.
• a projection (not shown) that moves along the guide groove 315 of the body portion 310 is provided on the end portion 335 of the operation portion 330 .
• the projection moves along the guide groove 315 .
• the projection is further fitted into an engagement recess 315a formed in a part of the guide groove 315, thereby positioning the operating portion 330 at a predetermined closed position.
• the operating portion 330 may be configured to produce a click feeling when its projections fit into the engagement recesses 315a, thereby allowing the user to confirm that the operating portion 330 is firmly seated in the predetermined closed position. can be confirmed.

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• Engineering & Computer Science (AREA)
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• Devices For Opening Bottles Or Cans (AREA)

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• 2022
  • 2022-10-28 JP JP2023522840A patent/JP7325883B1/ja active Active
  • 2022-10-28 WO PCT/JP2022/040508 patent/WO2023145175A1/ja not_active Ceased
• 2023
  • 2023-07-26 JP JP2023121464A patent/JP7444508B2/ja active Active
• 2024
  • 2024-02-05 JP JP2024015493A patent/JP2024036495A/ja active Pending
  • 2024-07-29 US US18/786,572 patent/US20240383738A1/en active Pending

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