JP3464080B2 - Mushroom cultivation bottle cap - Google Patents

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a mushroom bottle cap.

[0002]

2. Description of the Related Art Mushroom cultivation bottles used for artificial cultivation of mushrooms are used by covering the mouth of the bottle with a cap. However, this cap does not completely seal the bottle so that hyphae that grow in the bottle can breathe. It allows the air to flow to the outside. FIG. 6 is an exploded view of a conventionally used mushroom cultivation bottle cap. Reference numeral 5 is a cap body fitted into the mouth of the cultivation bottle, 6 is an upper lid fitted into the upper portion of the cap body 5, and 7 is a filter mounted in the cap.

The filter 7 has a function of circulating air and a function of protecting foreign bacteria from entering the bottle from the outside. Therefore, a vent hole 5b is provided below the flange portion 5a of the cap body 5, and a rib 5c is provided inside the cap body 5 so that air passes through the filter 7 and is discharged from the vent hole 5b. . Vent 5b
The reason for making it downward is that this makes it difficult for dust and germs to enter the bottle. Incidentally, urethane foam is generally used for the filter 7.

In the artificial cultivation of mushrooms using a medium material, first, a culture medium is filled in a culture bottle, and then the medium material is heat-sterilized. For this heat sterilization, steam sterilization using a sterilizer is widely performed. When the medium material is sterilized, the culture bottle filled with the medium material is covered with a cap, which is stored in a sterilization pot and heated for a predetermined time. After sterilization, the medium material is allowed to cool in the sterilization pot until it cools, and when the temperature has dropped, it is taken out and the process proceeds to the next inoculum inoculation step.

[0005]

By the way, in the conventional mushroom cultivation bottle cap, the filter 7 is mounted in the cap as described above.
There is a problem in that the filter 7 absorbs a large amount of water while it is allowed to cool, which hinders the flow of air through the filter 7. Since the sterilizer is filled with steam and the filter 7 is made of urethane foam, it is extremely easy to absorb water, and when the medium material is steam sterilized, the impurities contained in the medium are discharged, and the filter 7 Adhesion causes clogging.

[0006] After inoculation with the inoculum, the culture bottle is cultivated in the culture chamber for a certain period of time with the cap being covered. During this culture period, air circulation between the culture bottle and the outside is important. At this time, when the filter is clogged as described above or the air flow is insufficient, it is not possible to obtain a good quality mushroom without good culture, and the culture period becomes long. was there. Therefore, conventionally, the cap is used several times and then replaced with a new filter.

[0007] The present invention has been made to solve the problems associated with the caps for cultivation bottles in mushroom cultivation, and its object is to absorb water or clog the filter used for the caps for mushroom cultivation bottles. It is intended to provide a cap for a mushroom cultivating bottle, which can prevent the air flow in the cap from being disturbed by causing the above, and thereby can obtain a high-quality mushroom and improve productivity.

[0008]

The present invention has the following constitution in order to achieve the above object. That is, it is composed of a cap body having a fitting part fitted to the bottle mouth of the mushroom cultivation bottle, and an upper lid fitted to the cap body and accommodating and supporting a filter for aerating the inside and outside of the cultivation bottle inside the cap. In the mushroom cultivation bottle cap, in order to be able to use a filter material having a sheet-like air permeability as the filter,
The cap main body is provided with a protruding edge portion facing the upper lid, and a rib for supporting the filter is provided between the end edges of the protruding edge portion, and the upper lid is provided with a filter between the rib and the rib. It is characterized in that a pressing rib for pressing and supporting the filter is provided, and a filter pressing for pressing and supporting the outer peripheral edge portion of the filter is provided between the pressing rib and the protruding edge portion. Further, the ribs are arranged radially outward from the center of the cap, and are formed in a slightly raised shape so that the central side of the cap is closer to the upper lid than the base side connected to the protruding edge. . Further, the outer surface of the protruding edge portion is formed in a tapered surface shape in which the edge side is reduced in diameter, and the inner surface of the filter retainer is formed in an outer open tapered surface shape similar to the tapered surface of the outer surface of the protruding edge portion. Is characterized in that. Further, the filter retainers are arranged at intervals in the circumferential direction. Further, the pressing ribs are characterized in that a flow path for ventilation is provided between the adjacent pressing ribs.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows an example of a mushroom cultivation bottle cap according to the present invention. The drawing shows the cap body 10 and the upper lid 12 in a disassembled state.
It should be noted that the upper lid 12 is shown with its side fitted to the cap body 10 facing upward for the sake of explanation. 2 shows the cap body 1
3 is a perspective view of the cap 50 in which the upper lid 12 is fitted to 0, FIG.
It is a front view of a state in which a cap 50 is attached to the mushroom cultivation bottle 20. The outer shape of the cap 50 in this embodiment is the same as that conventionally used as a cap for mushroom cultivation bottles.

As described above, the cap 50 is not different in appearance from the conventional cap, but is characterized in that a sheet-shaped filter material is used as the filter 14 mounted inside the cap 50. That is, in the conventional cap, a filter having a thickness of about several millimeters is mounted, so that a certain space is provided between the cap main body and the upper lid in order to store the filter in the cap. In the cap 50 according to the above, the sheet-shaped filter 14 is sandwiched and supported.

The structures of the cap body 10 and the upper lid 12 will be described below with reference to FIGS. The cap body 10 includes a short cylindrical fitting portion 10a that fits into a bottle mouth of a cultivation bottle, an upper lid fitting portion 10b formed to have a diameter slightly larger than the fitting portion 10a, the fitting portion 10 and the upper lid fitting. Joint part 10b
And a flange portion 10c that integrally connects the two. The flange portion 10c is provided at the base of the fitting portion 10a so as to extend inside the fitting portion 10a in a partition shape.

Numeral 16 is a ventilation hole provided in the flange portion 10c outside the fitting portion 10a so as to open in a slit shape. A plurality of vent holes 16 are provided at predetermined intervals in the circumferential direction of the flange portion 10c. Reference numeral 18 denotes a protruding edge portion which is provided around the inner peripheral edge of the flange portion 10c so as to protrude from the surface of the flange portion 10c toward the upper lid side. The protruding edge portion 18 is formed in a tapered surface whose diameter is slightly reduced on the tip side.

Numeral 20 is a rib provided so as to bridge in the radial direction between the opposing edges of the protruding edge portion 18. As shown in the figure, a plurality of ribs 20 are arranged radially from the center of the flange portion 10c. In the embodiment, the ring-shaped center rib 22 is provided in the center, and the ribs 20 are radially arranged from the center rib 22 toward the end edge of the protruding edge portion 18. As shown in FIG. 1, there is a space between the adjacent ribs 20. When the filter 14 is attached, this empty portion is closed by the filter 14, and the air inside and outside the cultivation bottle is circulated by the filter action.

The cap body 10 and the upper lid 12 are integrally formed by plastic molding, but the rib 20 is formed in a shape in which the central portion side is slightly raised (upper lid side) in comparison with the protruding edge portion 18 side. The reason why the rib 20 is formed in a slightly raised shape in this way is to ensure that the filter material 14 can be supported between the upper lid 12 and the rib 20 by the elasticity of the rib 20 when the filter 14 is mounted.

On the other hand, the upper lid 12 has a disk-shaped lid substrate 12a, a lid fitting portion 12b formed in a short cylindrical shape slightly inside the outer peripheral edge of the lid substrate 12a, and a circular plane arrangement inside the lid fitting portion 12b. The filter retainer 24 is arranged in an upright manner and has a retaining rib 26 provided further inside the filter retainer 24. The lid fitting portion 12b fits inside the upper lid fitting portion 10b of the cap body 10 as shown in FIG. 4, and acts so that the upper lid 12 does not easily come off from the cap body 10.

The filter retainer 24 is provided between the filter 14 and the outer surface of the protruding edge portion 18 protruding from the flange portion 10c.
The upper lid 12 is for supporting by pressing the outer peripheral edge of the
Is provided on the lid substrate 12a in such a manner that it comes into contact with the outer surface of the projecting edge portion 18 when fitted to the cap body 10. As described above, the protruding edge portion 18 has a tapered outer surface,
As shown in FIG. 4, the filter retainer 24 is also formed such that the inner surface thereof is a tapered surface of the protruding edge portion 18 and the front end side is open outward. As a result, the filter holder 2
The inner surface of 4 and the outer surface of the protruding edge portion 18 contact each other to support the filter 14.

As shown in FIG. 1, the filter pressers 24 are arranged at regular intervals in the circumferential direction, and adjacent filter pressers 2 are provided.
A gap is provided between the four. This gap is provided when the filter 14 is covered on the surface provided with the rib 20 and the filter 14 is supported by the filter retainer 24 and the projecting edge portion 18.
This is for allowing the air to easily pass through 4 In addition, the filter retainer 24 is attached to the protruding edge portion 18
Similarly, when the filter 14 is provided over the entire circumference, the filter 14 is provided over the entire circumference between the protruding edge portion 18 and the filter retainer 24.
Therefore, the air flows in the gap corresponding to the thickness of the filter 14.

The pressing ribs 26 provided on the upper lid 12 are ribs 2.
It is for pinching and supporting the filter 14 between 6 and 6. Therefore, the pressing rib 26 sets the amount of protrusion from the inner surface of the upper lid 12 so as to support the filter 14 with the upper surface of the rib 26 by pinching when the upper lid 12 is fitted to the cap body 10. FIG. 5 shows the upper lid 12 with the cap body 10
The state in which the filter 14 is attached by being attached to the above is partially enlarged. The filter 14 is clamped and supported between the pressing rib 26 protruding from the upper lid 12 and the rib 20. As described above, the rib 20 is formed in a slightly raised shape on the side of the upper lid 12, so that when the upper lid 12 is fitted, the elasticity of the rib 20 causes the filter 14 to elastically move between the rib 20 and the pressing rib 26. It is clamped and supported.

The pressing ribs 26 press and support the filter 14 with the ribs 20 in this way, but at the same time, the upper lid 1
2 is provided with a gap between the inner surface of the rib 2 and the rib 20.
It has the effect of allowing air that has passed through to flow in this gap. In this embodiment, the pressing rib 26 is shown in FIG.
As shown in FIG. 4, the L-shaped spaces are arranged at intervals on the inner surface of the upper lid 20, because the middle of the pressing ribs 26 adjacent to each other is used as a flow path for air flow. The vent 16 opens below the outer peripheral edge of the cap when the cap 50 is fitted to the cultivation bottle 52. The vent 16 is opened downward so that various bacteria and the like are less likely to enter the cultivation bottle from the outside.

As shown in FIG. 5, the protruding edge portion 18 of the cap body 10 and the filter retainer 24 are formed in a tapered surface so that when the filter 14 is placed on the ribs 20 and the upper lid 12 is fitted, The outer peripheral edge of 14 can be pulled outward to force the filter 14 to be taut across the entire surface of the rib 20. If the ribs 20 are not sufficiently pressed when the filter 14 is attached to the cap, the function of the filter does not function sufficiently, and various bacteria may enter from the outside. Therefore, when the filter 14 is attached, there is no gap between the filter 14 and the rib 20, and it is necessary to attach the filter 14 exactly. In this respect, if the projecting edge portion 18 and the filter retainer 24 are tapered as described above, the filter 14 can be reliably mounted, which is effective.

Of course, it is also possible to fit the protruding edge portion 18 and the filter retainer 24 without forming a taper surface, and even in the case of forming a taper surface, the pushing amount when the top lid 12 is fitted into the cap body 10 is set. For example, the angle may be set appropriately. Further, the protrusion amount of the filter retainer 24 may be appropriately set depending on the protrusion amount of the protrusion edge portion 18 of the cap body 10.

As described above, the filter 14 is intended to allow the air to flow inside and outside the cultivation bottle and to protect it from the invasion of germs and the like from the outside.
Therefore, the filter material used for the filter 14 is not particularly limited as long as it has air permeability and has a filter function of not allowing passage of a material having a certain size or more. Further, as described above, it is preferable that the filter material has no water absorption. In this embodiment, as a filter material, a 0.4 mm-thick synthetic resin non-woven fabric (1
A material having a size of about μm or more) is formed into a circle according to the cap size. However, as long as it has the above-mentioned function, not only synthetic resin but also paper or woven cloth can be used.

When the filter 14 is attached to the cap 50, the filter 14 is placed on the rib 20 of the cap body 10 and the upper lid 12 is fitted from above. This mounting operation is extremely easy in operation because the upper lid 12 is simply fitted to the cap body 10. Top lid 12
When the filter 1 is attached to the cap body 10, the filter 1
4 is supported so as to be stretched over the rib 20, and the cap 14 is attached to the cultivation bottle to seal the cultivation bottle with the filter 14. Also, the filter 14 can be replaced by a simple operation.

The cap 50 for mushroom cultivation bottles using this sheet-shaped filter material has a much lower water absorption than the cap made of conventional urethane foam, and therefore the filter of the original filter 14 is used. There is an advantage that the function is fully exhibited. As described above, in the sterilization process using the mushroom sterilizer, the conventional filter absorbs a large amount of water because the conventional sterilizer heat-sterilizes with steam in the sterilizer for a long time.
Since 4 is extremely thin and has a very small amount of water absorption in terms of material, it is possible to prevent clogging due to water absorption of the filter 14 even after sterilization in the sterilization pot.

As a result, in the subsequent culturing step, etc., the air flow inside and outside the cultivation bottle is accurately performed, the culturing action can be made suitable, and good culturing can be performed.
It is possible to shorten the culture period. Also,
It has a positive effect on the growth of mushrooms and makes it possible to produce high-quality mushrooms.

On the other hand, when such a thin filter 14 is used as the filter material, the volume of the filter can be significantly reduced as compared with the conventional filter, so that a large amount of filter material is transported. There is also a great advantage that it does not require a large storage space and is extremely easy to handle.

In designing an actual cap, not only the size of the cap but also the shape of the rib 20 provided on the cap body, the shape of the protruding edge portion 18, the shape of the filter retainer 24 on the upper lid 12, and the number of installations, The design and the like of the pressing rib 26 can be appropriately set.

[0028]

As described above, the mushroom cultivating bottle cap of the present invention eliminates clogging of the filter mounted in the cap and exerts a suitable filter action, thereby using the mushroom cultivating bottle. It can be used very suitably for cultivation such as culturing. Further, by using the sheet-shaped filter material, the filter material is not bulky, and the filter material can be easily transported and stored, which is a remarkable effect.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing an exploded view of a mushroom cultivation bottle cap.

FIG. 2 is a perspective view of a mushroom cultivation bottle cap.

FIG. 3 is a front view of the cultivation bottle with a cap attached.

FIG. 4 is a cross-sectional view showing a configuration of a cap body and an upper lid.

FIG. 5 is an explanatory diagram showing a state in which the filter is supported by the cap body and the upper lid.

FIG. 6 is a cross-sectional view showing a configuration of a conventional example of a mushroom cultivation bottle cap.

[Explanation of symbols]

7 filters 10 Cap body 10a fitting part 10b Top lid fitting part 10c Flange part 12 Top cover 12a lid substrate 12b lid fitting part 14 filters 16 vents 18 protruding edge 20 ribs 22 Center rib 24 filter holder 26 Holding rib 50 cap 52 cultivation bottle

Claims (5)

(57) [Claims] 1. A cap main body having a fitting portion which is fitted to a bottle mouth of a mushroom cultivation bottle, and an upper lid which is fitted to the cap body and accommodates and supports a filter for aerating the inside and outside of the cultivation bottle inside the cap. In a mushroom cultivation bottle cap consisting of, in order to be able to use a sheet-like filter material having air permeability as the filter, the cap main body is provided with a protruding edge portion facing the upper lid, and the protrusion is provided. A rib for supporting the filter is provided between end edges of the edge portion, and a pressing rib for sandwiching and supporting the filter with the rib is provided on the upper lid, and a filter is provided between the rib and the protruding edge portion. A mushroom cultivation bottle cap, characterized by being provided with a filter retainer for clamping and supporting the outer peripheral edge portion of the mushroom. 2. The ribs are installed radially outward from the center of the cap, and are formed in a slightly raised shape so that the center side is closer to the upper lid than the base side connected to the protruding edge portion. The mushroom cultivation bottle cap according to claim 1. 3. The outer surface of the projecting edge portion is formed in a tapered surface shape in which the diameter of the end edge side is reduced, and the inner surface of the filter retainer is formed in an outer open tapered surface shape similar to the outer surface of the projecting edge portion. It is what was formed, The cap for mushroom cultivation bottles of Claim 1 or 2 characterized by the above-mentioned. 4. The filter retainer is arranged at intervals in the circumferential direction.
Mushroom cultivation bottle cap described. 5. The mushroom cultivation bottle cap according to claim 1, wherein the pressing ribs are provided with ventilation channels in the middle of the adjacent pressing ribs.