JP3563810B2 - Packaging method for film unit with lens - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to a method for packaging a film unit with a lens incorporating a strobe.
[0002]
[Prior art]
A film unit with a lens is sold in a state in which a film is pre-loaded on a unit body incorporating a photographing mechanism such as a photographing lens and a shutter, and is widely used because it is easy to take a photograph simply by purchasing the film. I have. The flash-equipped film unit with a built-in lens has a built-in strobe device in the unit main body, and can operate strobe photographing only by operating a strobe charging button. The charge button is provided on the front of the lens-fitted film unit so that it can be easily operated during shooting. There are two types of strobe devices: a type in which the charging button is kept pressed until charging is completed, and a type in which charging is automatically completed by pressing the charging button for a moment. In the latter case, flash photography can be performed simply by pressing the charge button for a moment.
[0003]
By the way, in a film unit with a lens, since a photographic film is loaded in the unit body, it is necessary to protect the loaded photographic film from moisture, dust, and the like after manufacture and before use by a user. For this reason, the film units with lenses are sold one by one in a packaging bag having a moisture-proof function when shipped from a manufacturer.
[0004]
[Problems to be solved by the invention]
A bank is formed around the charge switch of such a film unit with a lens to prevent erroneous operation of the charge switch, but since the film unit with a lens is only sealed in a packaging bag, the film unit with a lens is transported. During the display work at the time or at the store, the charging button is momentarily pressed from the top of the packaging bag by sharp parts such as the corner of the film unit with lens or the tip of the display hanger, and wasteful power is consumed. Sometimes. In this case, the power consumption is negligible in the case of the type in which the charge button is kept pressed until the charging is completed, but in the case of the type in which charging is completed by pressing the charge button for a moment, the power consumption is severe. It may cause trouble.
[0005]
The present invention has been made in view of the above circumstances, and provides a method of packaging a film unit with a lens in which a charge button of the film unit with a lens having a built-in flash is inoperable and can be covered with a packaging bag. The purpose is to:
[0006]
[Means for Solving the Problems]
In order to achieve the above object, according to the first aspect of the present invention, the sheet-shaped spacer is supported and mounted on a protrusion provided on the front surface of the film unit with a lens, so that the spacer is moved from the charge button. When the film unit with the lens and the spacer are integrally packaged in a packaging bag while floating and covering the charging button, the packaging bag is supported from the inside by the support surface provided on the spacer, and the charging button is charged. Becomes inoperable.
[0007]
According to the second aspect of the present invention, a bent piece that is bent along the upper and lower surfaces of the lens-fitted film unit is integrally connected to the spacer, and the bent piece covers the front surface of the lens-fitted film unit. It is intended to support. According to the third aspect of the present invention, the spacer is integrally provided with bent pieces bent toward the front surface of the lens-fitted film unit, and these bent pieces support at least a portion covering the charge button. It was made. Further, in the invention according to claim 4, when the spacer is placed on the front surface of the film unit with a lens, at least a part of the protruding portion that protrudes from the front surface of the film unit with a lens and holds the taking lens is formed. A notch or an opening is provided in the spacer to prevent the spacer from shifting.
[0008]
【Example】
As shown in FIG. 1, the lens-equipped film unit 2 is obtained by covering a unit body 3 in which a film and a photographing mechanism are incorporated with a paper box 4 for exterior use. The front surface 2a of the lens-fitted film unit 2 has a projection 18 projecting to the front surface following a patrone chamber 20 described later. At the center of the front cover 14, a raised portion 10 is formed to be raised from the front surface 2a and cover the taking lens 12. A charging button 11 is arranged on the front surface 2a, and a ridge 11a for preventing erroneous operation is formed so as to protrude from the front surface 2a so as to surround the charging button 11. A shutter button 5, a film counter window 6, a finder window 7, a raised portion 10, a ridge 11a, and the like provided in the unit main body 3 are exposed from an opening provided in a required portion of the paper box 4.
[0009]
As shown in FIG. 4, the unit main body 3 includes a main body base 13, a front cover 14 and a rear cover 15 that are nailed to the base 13, an exposure unit 16 including a photographing lens 12 and a shutter mechanism, and a strobe unit 17. It is composed of In the patrone chamber 20 and the film chamber 21 formed on both sides of the main body base 13, a patrone and a roll-shaped photographic film are stored.
[0010]
One of the front faces of the front cover 14 protrudes to the front following the patrone chamber 20. A raised portion 10 is formed at the center of the front cover 14, and a charging button 11 and a ridge 11a for preventing erroneous operation are formed at the other end. Further, a shutter button 8 and the like are formed on the upper surface of the front cover 14.
[0011]
A strobe unit 17 attached to the front of the main body base 3 is located on a strobe board 25 behind a strobe light emitting unit 26, a strobe main capacitor 27, a battery holder 29 for mounting a dry battery 28, and a charge button 11. It is composed of a contact piece 30 for turning on the circuit when the charge button 11 is pressed, and the like, and a circuit for charging up to a specified voltage even when the charge switch 11 is released from being pressed by these components. . For example, a predetermined time required for the main capacitor 27 to be fully charged is measured by a time constant circuit from the time when the charge button 11 is pressed, and the oscillation is automatically stopped when the predetermined time has elapsed. It is configured to make it work.
[0012]
As shown in FIG. 3, the film unit with lens 2 is covered with a spacer 40 on the front surface 2a side before being packed in the packaging bag. The packaging bag 38 is made of a sheet material having a multilayer structure in which an aluminum sheet is used as a base material for moisture proofing, and on the surface thereof, a display indicating a model of the film unit 2 with a lens, a design pattern, and the like are printed. . Further, as shown in the figure, the center seal portion 38a of the packaging bag 38 is arranged on the front side of the film unit 2 with a lens, and is bent in a direction overlapping with the raised portion 10, so that the photographic lens is packed. 12 are protected.
[0013]
The spacer 40 is made of a cardboard sheet, and its developed shape is shown in FIG. The spacer 40 is provided with a support surface 41 that covers the front surface of the film unit 2 with a lens. Further, a notch 47 having an arc-shaped portion 47a is formed from the center of the support surface 41 toward the end. The arc-shaped portion 47a has a slightly smaller diameter than the arc portion of the raised portion 11 of the film unit 2 with lens.
[0014]
The spacer 40 is covered from the lateral direction of the lens-fitted film unit 2. The raised portion 11 of the lens-fitted film unit 2 partially enters the arc-shaped portion 47a along the side of the notch 47 of the spacer 40. On the support surface 41, bent pieces 42 and 43 are integrally provided vertically, respectively, and a cut or perforation is formed at each boundary to facilitate bending. The bent pieces 42 and 43 are formed to have a width substantially equal to the height from the projecting portion 18 of the front surface 2a and the tip of the ridge 11a for preventing erroneous operation to the rear surface of the lens-fitted film unit 2. Each corner of the spacer 40 is rounded.
[0015]
The operation of the above configuration will be described. The spacer 40 is bent and used as shown in FIG. 1, and is covered from the lateral direction of the lens-attached film unit 2 after performing a sufficient drying process before packing the lens-attached film unit 2 in the packaging bag 38. The raised portion 10 of the spacer 40 partially enters the arc-shaped portion 47 a of the notch 47. As shown in FIG. 5, the support surface 41 is supported from the front and rear by the protrusion 18 of the front surface 2a and the protrusion 11a for preventing erroneous operation. The charge button 11 is covered with a support surface 41 floating above the charge button 11. At this time, the bent pieces 42 and 43 are along the upper and lower surfaces of the film unit 2 with lens.
[0016]
By the automatic packaging, the film unit with lens 2 is wrapped in the packaging bag 38 together with the spacer 40. After this wrapping step, the open end of the packaging bag 38 is end-sealed, and the packaging bag is in a packaging state. Even if a small pressing force is applied to the support surface 41 by being pressed with a pointed object from the top of the packaging bag 38, the protrusion 18 of the front surface 2 a and the ridge 11 a for preventing erroneous operation are provided before and after the support surface 41. And the leading edges 42a and 43a of the bent pieces 42 and 43 abut against the inner surface of the packaging bag 38 covering the rear side of the lens-fitted film unit 2, so that the supporting surface 41 is easily formed. There is no depression, and the charging button 11 is not pressed.
[0017]
In this packaged state, the front of the film unit with the lens is almost flat, so it is easier to handle the package and satisfy the suitability for vending machines as compared to the case where only the film unit with the lens is packaged. Can be. Further, since the cardboard spacers 40 are used after being sufficiently dried, they act as a moisture absorbing material after packaging, so that the moistureproof effect can be further enhanced.
[0018]
FIG. 6 shows another embodiment of the method for packaging a film unit with a lens according to the present invention. The support surface 41 of the spacer 60 has an opening 67 into which the raised portion 21 of the lens-fitted film unit 2 enters, and covers the upper surface 2a of the lens-fitted film unit 2 from above. Since the raised portion 21 of the lens-fitted film unit 2 protrudes from the opening 67, the spacer 60 is positioned on the front surface of the lens-fitted film unit 2 and is packed in the packaging bag 38. The spacer 60 does not shift or come off the front surface 2a of the lens-fitted film unit 2 during or after the packaging process.
[0019]
Although the embodiment has been described above, the shape of the spacer does not necessarily require an opening for inserting the raised portion of the lens-fitted film unit. Further, the spacer does not need to cover the front of the film unit with the lens, but covers only the charging button and the ridge for preventing erroneous operation, and is supported by the ridge for preventing erroneous operation. A spacer that covers only the ridge for preventing erroneous operation may be formed with a bent piece that is bent toward the front surface of the film unit with a lens so that it can be supported by the bent side. The material of the spacer is preferably made of cardboard in terms of cost, but a plastic sheet or a metal sheet may be used to increase the strength.
[0020]
【The invention's effect】
As described above, according to the packaging method of the film unit of the present invention, by a sheet-like spacer is mounted is supported by a protrusion provided on the front surface of the film unit, the spacer is in a state floated from the charging button, and covers the charging button, when packed together with the lens-fitted photo film unit and a packaging bag spacers, packaging bag is supported from the inside by the support surface provided on the spacer Since the charging button is made inoperable, unnecessary charging can be prevented from starting. This is very effective in the case where the charging is completed by pressing the charging button for a moment.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an embodiment of the present invention.
FIG. 2 is a development view of a spacer.
FIG. 3 is a perspective view showing a packaging state.
FIG. 4 is an exploded perspective view of a unit main body.
FIG. 5 is a partially broken view showing a state in which a spacer is put on the film unit with a lens.
FIG. 6 is a perspective view showing another embodiment of the present invention.
[Explanation of symbols]
2 Film unit with lens 3 Unit body 10 Raised portion 11 Charging button 11a Rib 17 Strobe unit 18 Protruding portion 38 Packaging bag 40, 60 Spacer 41 Support surface 47 Notch 67 Opening

Claims (4)

In a method of sealing and packaging a film unit with a lens, which has a built-in strobe and is charged by pressing a charge button provided on a front surface, in a packaging bag,
The sheet-like spacer is supported and mounted on the protrusion provided on the front surface of the lens-fitted film unit, so that the spacer floats from the charge button and covers the charge button. A method for packaging a film unit with a lens, wherein when the film unit and the spacer are integrally packaged , the packaging bag is supported from the inside by the support surface provided on the spacer and the charge button becomes inoperable. . Bending pieces that are bent along the upper and lower surfaces of the lens-fitted film unit are integrally provided on the spacer, and the bent pieces support the portion covering the front face of the lens-fitted film unit. The method for packaging a film unit with a lens according to claim 1. A bent piece which is bent toward the front surface of the lens-fitted film unit is integrally provided on the spacer, and the bent piece supports at least a portion covering the charge button. A method for packaging a film unit with a lens according to claim 1. When the spacer is placed on the front surface of the film unit with a lens, a notch or an opening is formed in the spacer, in which at least a part of a protruding portion that protrudes from the front surface of the film unit with a lens and holds a photographing lens enters. 4. The method of packaging a lens-fitted film unit according to claim 1, wherein the spacer is provided to prevent displacement of the spacer.

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