JP2635492B2 - Culture vessel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a culture vessel for culturing a biological tissue such as a plant tissue.

[0002]

2. Description of the Related Art For example, Japanese Patent Application Laid-Open No. 1-63399 discloses a male screw formed around an upper end opening of a cylindrical container body. A culture vessel having an internal thread formed with a female screw screwed to the male screw is proposed on the inner periphery.This culture vessel stores an agar medium or the like in the container main body, and inoculates a plant seedling or the like on the agar medium. The lid is screwed onto the upper part of the container body to close the container body. On the other hand, a square-shaped culture vessel is also used for this type of culture vessel. For example, a culture vessel in which a rectangular cylinder lid is fitted over a rectangular cylinder-shaped container body to close the vessel body is also known. .

[0003]

In the above-mentioned cylindrical culture vessel of the prior art, the lid is attached to the vessel body by screwing, so that the lid is attached to the outer peripheral surface of the vessel body as in the square shape. As compared with the case where the inner peripheral surface is fitted by surface contact, bacteria, insects, and the like are more likely to enter from the threaded portion, and there is a surface with poor airtightness in the container body. In addition, since the lid is attached and detached by screwing, for example, when subjected to vibration during transportation or movement, there is a possibility that the lid is loosened and bacteria enter the container body or the lid is detached. there were. Further, in this type of culture vessel, plant seedlings and the like are planted on an agar medium housed therein for cultivation. In a conventional cylindrical container body, planting of the seedlings is mechanized. It is also difficult to confirm the quantity of the seedlings visually after planting, and there is a problem that the work of confirming the number of seedlings is more complicated than that of a rectangular container body. on the other hand,
When using the above-mentioned rectangular culture container, seedlings can be planted in an internal agar container using a machine with reference to the flat outer surface of the culture container. When a rectangular lid is fitted and mounted on the container, a gap may occur partially at the rectangular fitting due to molding errors such as molding distortion caused by the rectangular shape, and the airtightness of the container body Was difficult to increase.

Accordingly, an object of the present invention is to provide a culture container which is excellent in airtightness between a container body and a lid and which is easy to plant seedlings and the like. It is an object of the present invention to provide a culture vessel which is excellent in the operation of planting seedlings and the like, and which can securely fix the lid to the vessel body.

[0005]

According to the present invention, there is provided a culture vessel having a light-transmitting container main body, and a light-transmitting lid which closes an upper end opening of the container main body. The container body has an upper end opening formed in a cylindrical shape, the lower part formed in a substantially square shape, and the lid body has a lower end opening formed in a cylindrical shape to be fitted in the upper end opening of the container body. is there.

Further according to claim 2 invention, prior SL and circumferentially fitting holes in the top of the container body, it is a disengageable a retaining projection on the fitting hole that is provided around a lower portion of the lid .

[0007]

According to the first aspect of the present invention, when planting seedlings or the like in the container main body, the flat side portion of the lower portion of the substantially rectangular container main body is used as a reference, so that even when the planting is performed manually, it is relatively easy. can instill seedling in a state of easily aligned, and can be readily ascertained by the quantity Ji E click even visually that seedlings. Further, since the upper end opening of the container body and the lower end opening of the lid are cylindrical, distortion and the like at the time of molding can be reduced and high dimensional accuracy can be obtained, and the upper end opening and the lower end opening are fitted. In addition, the airtightness of the container body can be enhanced by the surface contact between the cylindrical portions.

Further, according to the configuration of claim 2 ,
In the culture vessel, the locking and unlocking of the lid can be performed by engaging and disengaging the retaining projection of the lid main body with the fitting hole of the container main body.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings. 1 to 7 show one embodiment of the present invention,
In FIG. 1, reference numeral 1 denotes a bottomed cylindrical container body made of a heat-resistant plastic material having a high light transmittance, such as polycarbonate, and the upper end opening 2 of the container body 1 is formed in a cylindrical shape. A tapered portion 3 is formed at the lower part of the portion 2 continuously on the four sides of the circumference so as to decrease downward and goes straight from an arc. A flat side portion 4 is formed continuously at the lower portion of the tapered portion 3. Further, an arc surface 5 having the same diameter as that of the upper end opening 2 and being continuous with the opening 2 is formed between the side surfaces 4, whereby the container main body 1 has its cylindrical upper end opening. The lower part of the container 2 is formed in a substantially square shape in which the four corners are formed in an arc shape by the arc surface 5 at the four corners, and a bottom plate 6 for closing the bottom of the container body 1 is integrally formed below them. A leg 7 is provided on the lower surface of the bottom plate 6. To have. Further, a plate-shaped flange 8 is provided around the boundary between the upper end opening 2 and the tapered portion 3 in the container body 1, and a fitting hole 9 is formed in the flange 8.

Reference numeral 10 denotes a lid made of a heat-resistant plastic material having a high light transmission property, such as polycarbonate, and a lower end opening 11 of the lid 10 is formed in a cylindrical shape to fit into the upper end opening 2 of the container body 1. Formed at its lower end opening
The inner peripheral surface 11A of the upper end 11 is externally fitted to the outer peripheral surface 2A of the upper end opening 2 in surface contact, and the step 11B at the upper end of the lower end opening 11 and the upper end surface 2B of the upper end opening 2 are in surface contact. Contact
Above the lower end opening 11, a tapered portion 12 which is reduced upward and goes straight from an arc is formed on the four sides of the circumference via the step portion 11B, and a flat surface is formed continuously above the tapered portion 12. A side surface portion 13 is formed.
A continuous arc surface 14 is formed between the lower end opening 11 and the lower end opening 11 through the stepped portion 11B.
10, above the cylindrical lower end opening 11, are integrally formed a corner of the four corners in the rectangular substantially square type formed in an arc shape by the circular arc surface 14, the top plate 15 to their upper Are integrally formed. A retaining pin 16 which is a retaining projection is protruded downward around the lower end opening 11 of the lid 10 corresponding to the fitting hole 9 of the container body 1. Is formed with a flat semicircular engaging portion 17 having a large diameter.
In the fitting hole 9, an insertion portion 9A into which the engagement portion 17 can be loosely inserted and an engagement receiving portion 9B in which the retaining pin 16 is locked are formed continuously along the circumferential direction. ing.

The upper plate 15 of the lid 10 is formed with a recess 18 opening upward and in the circumferential direction corresponding to one of the four arc surfaces 14, and a bottom plate portion 19 of the recess 18 is formed. It has an inclined shape that becomes lower toward the outside, and a vent hole 20 is formed in the center in parallel with the center axis of the lid 10, and the bottom plate portion 19 surrounds the vent hole 20.
A ring-shaped mounting step 21 that is one step higher than the surface of
Further, a substantially C-shaped inner wall portion 22 having an outer peripheral side opening and projecting around the mounting step portion 21 is protruded, and further surrounds a mounting groove 23 surrounding the inner wall portion 22 to form the bottom plate portion 19 and the upper plate 15. An outer wall portion 24 is formed. Reference numeral 25 denotes a Teflon ventilation filter provided on the ring-shaped mounting step 21 by bonding or the like, and is formed in the same shape as the mounting step 21.
Numeral 26 denotes a ventilation cap which is fitted into the mounting groove 23, press-fitted, and rotatably mounted. The ventilation cap 26 is made of the same material as the container body 1 and the lid 10 and has high light transmittance. A mounting cylinder 28 is provided at a lower portion, and approximately one third of the circumference of the mounting cylinder 28 is opened to form a ventilation opening 29. The mounting cylinder 28 is press-fitted into the mounting groove 23 of the lid 10. A knob 30 for rotating operation is protruded from the outer surface of the mounting cylinder 28 in the vicinity of the ventilation opening 29, and the knob 30 is turned clockwise in FIG. By rotating, the mounting cylinder 28 is moved to the ventilation opening.
29 opening area can be adjusted arbitrarily. In the figure, reference numeral 31 denotes an agar medium accommodated in a lower portion of the container body 1, and 32 denotes a seedling such as a plant.

Next, the operation of the above configuration will be described. First, an agar medium 31 is housed in the container body 1 and seedlings 32 are planted in a plurality of rows on the agar medium 31 with reference to the opposing side portions 4. In this case, since the side portion 4 serves as a reference, the seedling 32 can be planted relatively easily even when planting is performed manually as shown in FIG.
32 Quantity Ji E click of it can be easily confirmed visually. Thereafter, the stopper pin 16 is aligned with the insertion portion 9A of the fitting hole 9 and the lid 10 is put on the container body 1, and the lid 10 is slightly rotated to fit the stopper pin 16 as shown in FIG. Engagement receiving portion 9 of hole 9
B is engaged. As a result, the inner peripheral surface 11A of the lid 10 is pressed against the outer peripheral surface 2A of the container body 1 in surface contact, and the step 11B of the lid 10 is pressed against the upper end surface 2B of the container body 1 in surface contact. The container body 1 is closed by the lid 10, and the locking pin 16 is locked by engaging the retaining pin 16 with the engagement receiving portion 9 </ b> B of the fitting hole 9, and the lid 10 is fixed to the container body 1. . The fitting of the inner peripheral surface 11A and the outer peripheral surface 2A to each other makes the dimensional control of the upper end opening 2 and the lower end opening 11 easier and reduces distortion during molding, as compared with the conventional square type. Are smaller than the square type, and the dimensional accuracy can be increased. Further, even if a slight dimensional error occurs due to molding due to their roundness, the inner peripheral surface 11
A and the outer peripheral surface 2A are brought together and pressed uniformly, that is, a good airtight state can be obtained unless there is a large error in the length of the inner peripheral surface 11A and the length of the outer peripheral surface 2A. Further, as an example of an operation of planting the seedlings 32 using the container body 1, the container body 1 is transported to a planting position by a machine, and is positioned and fixed at the planting position with respect to the side surface portion 13, and a plant (not shown) After the seedlings 32 are planted by the attaching machine, the lid 10 can be covered by the machine on the upper end opening 2 of the container body 1 based on the side surface 13 and closed.

As described above, in the present embodiment, in the culture vessel having the light-transmitting container body 1 and the light-transmitting lid 10 which closes the upper end opening 2 of the container body 1, The main body 1 has an upper end opening 2 formed in a cylindrical shape and a lower part formed in a substantially square shape, and the lid 10 has a lower end opening 11 formed in a cylindrical shape that fits into the upper end opening 2 of the container main body 1. Therefore, high airtightness of the container body 1 can be obtained by fitting the cylindrical upper end opening 2 and the cylindrical lower end opening 11 in surface contact with each other.
Since the bottom opening 11 and the bottom opening 11 are cylindrical, molding distortion due to resin injection molding or the like is reduced as compared with a square type, and molding dimensional accuracy can be improved, and a uniform surface contact state can be obtained. Invasion of various bacteria and the like into the main body 1 can be reliably prevented. In addition, by forming the lower part of the culture vessel into a substantially square shape, it is possible to easily plant the seedlings 32 and the like on the agar medium 31 and check the quantity thereof, thereby improving the planting workability. It is also suitable for mechanization of work.

[0014] In the present embodiment this way, container body 1
Since a fitting hole 9 is provided in the upper part of the cover 10 and a retaining pin 16 that can be engaged with and disengaged from the fitting hole 9 is provided in the lower part of the lid 10 .
By fitting the lower end opening 11 of the lid 10 to the upper end opening 2 of the container body 1 and locking the retaining pin 16 to the fitting hole 9, the lid 10 is fixed to the container body 1 and The fitting between the upper end opening 2 and the lower end opening 11 is not loosened due to the vibration during the movement, so that invasion of various bacteria and the like into the container body 1 can be reliably prevented.

As an effect of the embodiment, a stepped portion is formed on the lid 10.
11B, and the step 11B is formed on the upper end surface 2B of the container body 1.
The inner peripheral surface 11A of the lid 10, the outer peripheral surface 2A of the container body 1, and the step of the lid 10.
High airtightness can be obtained by the two surfaces of the upper surface 11B and the upper surface 2B of the container body 1. Further, the upper end opening 2 of the container body 1 is formed in a cylindrical shape, the lower part of the upper end opening 2 is formed in a square shape, and the lower rectangular part is formed smaller than the upper end opening 2, Since the upper side of the main body 1 is formed larger than its lower side, the work of storing the agar medium 31 in the container main body 1, the work of planting the seedlings 32, and the work of taking out the inside from the inside are easy to perform, and the workability is improved. Can be. Further, the fitting hole 9 formed in the flange portion 8 is provided with the insertion portion 9A and the engagement receiving portion 9B in a continuous manner.
When the cover 16 is slightly rotated by inserting the insert 16 into the insertion portion 9A, the locking pin 16 is engaged with the engagement receiving portion 9B to be in a locked state. Since the state is released, the operation of fixing the lid 10 and releasing the same can be easily performed.

The present invention is not limited to the above embodiment, and various modifications can be made within the scope of the present invention. For example, in the embodiment, the lower end of the lid is provided at the upper end opening of the container body. Although the opening is configured to fit outside, the upper end opening of the container body may be fitted to the lower end opening of the lid. Also, in the embodiment, an example in which four fitting holes are provided is shown, but two or three places, and even five places are provided.
The fitting hole may be provided at a location or more, and the fitting hole may be provided with a flange-shaped flange continuous with the container body, and may be formed in the flange-shaped flange. Further, the retaining pin may be welded and fixed to the flange, so that loosening of the lid during transportation or the like can be reliably prevented.

[0017]

According to the first aspect of the present invention, there is provided a culture container comprising a container main body having a light transmitting property, and a lid having a light transmitting property by closing an upper end opening of the container main body. The container body has an upper end opening formed in a cylindrical shape, the lower part formed in a substantially square shape, and the lid body has a lower end opening formed in a cylindrical shape to be fitted in the upper end opening of the container body. Therefore, it is possible to provide a culture container that is excellent in airtightness between the container body and the lid, and that facilitates planting of seedlings and the like.

Further culture container according to claim 2 of the present invention, a fitting hole is circumferentially provided on the top of the front SL container body circumferentially provided a disengageable a retaining projection on the fitting hole in the lower part of the lid It has excellent airtightness between the container body and the lid, and can be used for planting seedlings.
The present invention can provide a culture vessel that is easy to use and that can securely fix the lid to the vessel body.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing one embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing one embodiment of the present invention.

FIG. 3 is a longitudinal sectional view showing one embodiment of the present invention.

FIG. 4 is a sectional view of a main part showing one embodiment of the present invention.

FIG. 5 is a partially cutaway plan view of a main part showing one embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a main part showing one embodiment of the present invention.

FIG. 7 is a cross-sectional view of a container body showing one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container main body 2 Upper end opening 9 Fitting hole 10 Lid 11 Lower end opening 16 Prevention pin (prevention protrusion)

Claims (2)

(57) [Claims] 1. A culture vessel having a light-transmitting container main body and a light-transmitting lid closed at an upper end opening of the container main body, wherein the container main body has a cylindrical upper end opening. A culture vessel, wherein the lower part is formed in a substantially square shape, and the lid is formed in a cylindrical shape whose lower end opening is fitted into the upper end opening of the container body. Wherein the fitting hole is circumferentially provided on the top of the front SL container body,
2. The culture vessel according to claim 1 , wherein a retaining projection which can be engaged with and disengaged from the fitting hole is provided around a lower portion of the lid.