WO2019212034A1 - Élément de couvercle de cage, cage d'élevage et système d'élevage - Google Patents

Élément de couvercle de cage, cage d'élevage et système d'élevage Download PDF

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Publication number
WO2019212034A1
WO2019212034A1 PCT/JP2019/017753 JP2019017753W WO2019212034A1 WO 2019212034 A1 WO2019212034 A1 WO 2019212034A1 JP 2019017753 W JP2019017753 W JP 2019017753W WO 2019212034 A1 WO2019212034 A1 WO 2019212034A1
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WO
WIPO (PCT)
Prior art keywords
breeding
cage
filter
ventilation
lid member
Prior art date
Application number
PCT/JP2019/017753
Other languages
English (en)
Japanese (ja)
Inventor
滋 大島
Original Assignee
株式会社イートロン
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018150807A external-priority patent/JP6647599B2/ja
Application filed by 株式会社イートロン filed Critical 株式会社イートロン
Publication of WO2019212034A1 publication Critical patent/WO2019212034A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/02—Pigsties; Dog-kennels; Rabbit-hutches or the like
    • A01K1/03—Housing for domestic or laboratory animals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K7/00—Watering equipment for stock or game
    • A01K7/02—Automatic devices ; Medication dispensers
    • A01K7/06—Automatic devices ; Medication dispensers actuated by the animal

Definitions

  • the present invention relates to a cage lid member, a breeding cage and a breeding system, and in particular, a disposable cage lid member to which a ventilation filter can be attached, a breeding cage provided with such a cage lid member, and breeding using such a breeding cage. It is about the system.
  • Patent Document 1 discloses a method for breeding small animals using a breeding box (breeding cage) in this way.
  • Patent Document 2 a system that attaches a filter to a breeding box (small animal cage) and performs individual air conditioning for each breeding box instead of providing an air supply filter or an exhaust filter in the breeding room.
  • this invention makes it a subject to reduce the maintenance operation
  • the inventor attaches a filter to a breeding box, and in a system that performs individual air conditioning for each breeding box, in order to reduce maintenance work for each breeding box, the lid part that is a part of the breeding box is made disposable. The above problem was solved.
  • the cage lid is made of a thin resin (for example, about 0.3 mm to about 2 mm).
  • a thin resin for example, about 0.3 mm to about 2 mm.
  • the present invention solves the above-mentioned problem by adopting a configuration in which the filter mounting portion is hardly damaged in the disposable thin lid member.
  • a cage lid member for a breeding cage A plate-shaped lid body; Provided on the lid body, and a filter mounting portion for mounting a ventilation filter,
  • the filter attachment member includes a cage lid member including an insertion hole for inserting the ventilation filter and one or a plurality of cutouts formed at an edge of the insertion hole.
  • the cage lid member according to item 1 wherein the thickness of the cage lid member is about 0.3 mm to about 2 mm.
  • (Item 3) The cage lid member according to item 1 or item 2, wherein the lid body has a ring-shaped convex portion formed so as to surround the insertion hole.
  • the lid body includes a raised portion; The cage lid member according to any one of items 1 to 3, wherein the filter mounting portion is provided on the raised portion. (Item 5) The cage lid member according to item 4, wherein a side surface of the raised portion is inclined with respect to a peripheral portion of the raised portion of the outer surface of the lid body. (Item 6) Item 6. The cage lid member according to any one of Items 1 to 5, comprising at least one material selected from the group consisting of polyethylene terephthalate, polyethylene, polypropylene, polylactic acid, and polyglycolic acid. (Item 7) Item 7. The cage lid member according to Item 6, comprising polyethylene terephthalate.
  • a breeding system comprising the breeding cage according to item 11 and a ventilation system for ventilating the plurality of breeding cages.
  • the ventilation system is A shelf board on which the plurality of breeding cages are placed; A ventilation pipe disposed above the shelf board, The breeding cage is connected to the shelf board and the ventilation pipe so that the ventilation filter and the ventilation pipe are connected by pressure contact between a connection port formed in the ventilation filter and a ventilation hole formed in the ventilation pipe.
  • the breeding system according to item 12, wherein the breeding system is configured to be pressed between the two.
  • a breeding system comprising a breeding rack for housing a plurality of breeding cages and a ventilation system for ventilating the breeding rack, The ventilation system A breeding system in which the inside of the plurality of breeding cages is set to a negative pressure and the inside of the breeding rack other than the plurality of breeding cages is set to a positive pressure.
  • the ventilation system is An air supply device for supplying air into the breeding rack; 15.
  • the breeding system according to item 16 By reducing the amount of exhaust per unit time of the exhaust device less than the amount of air supplied per unit time of the air supply device, a portion of the outside air introduced into the breeding rack does not pass through the breeding cage. 16.
  • the breeding system according to item 15, wherein the breeding system is evacuated from the breeding rack. (Item 17) 17.
  • the breeding system according to item 15 or 16 wherein the breeding cage has an introduction unit for introducing outside air supplied into the breeding rack by the air supply device into the breeding cage.
  • the breeding cage has a cage body and a cage lid member, The breeding system according to item 17, wherein the introduction portion is a gap formed between the cage body and the cage lid member.
  • the cage lid member is A plate-shaped lid body; A filter mounting portion provided on the lid body, 19.
  • the breeding rack is With a filter, Any of items 14 to 19, wherein a part of the outside air introduced into the breeding rack is configured to pass through the filter when exhausted from the breeding rack without passing through the breeding cage.
  • the breeding system according to one item.
  • a breeding cage using such a cage lid member can be obtained, and further, a breeding system for breeding small animals using such a breeding cage can be obtained.
  • FIG. 2 It is a perspective view which shows the breeding cage 1 using the cage lid member 100 by Embodiment 1 of this invention. It is a disassembled perspective view of the breeding cage 1 shown in FIG. It is a figure for demonstrating the ventilation filter 101 and the filter attachment part 110 which are shown in FIG. 2, FIG. 3 (a), FIG.3 (b), FIG.3 (c), FIG.3 (d), and FIG.3 (e) ) Are an enlarged side view of the ventilation filter 101, a plan view of the cage lid member 100, a sectional view taken along line AA, an enlarged view of a portion B, and an enlarged plan view of the filter mounting portion 110, respectively. 4 is a perspective view of the filter mounting portion 110 shown in FIG. 2, and FIGS.
  • FIG. 4 (a) to 4 (c) show how the filter screw portion 101b is screwed into the insertion hole 111.
  • FIG. 6 is a view for explaining a state in which the breeding cage 1 shown in FIG. 1 is housed in the breeding rack 20, and FIG. 6 (a) shows a case where an appropriate strength is secured to the cage lid member. b) shows a case where the strength of the cage lid member is insufficient.
  • FIG. 8 is a diagram illustrating a specific structure of the filter mounting portion 210 of the cage lid member 200 shown in FIG. 7, and FIGS.
  • FIG. 10 is a diagram illustrating a specific structure of the filter attachment portion 310 of the cage lid member 300 illustrated in FIG. 9, and FIGS. 10A, 10 ⁇ / b> B, and 10 ⁇ / b> C are respectively planes of the cage lid member 300.
  • FIG. 10 is a diagram illustrating a specific structure of the filter attachment portion 310 of the cage lid member 300 illustrated in FIG. 9, and FIGS. 10A, 10 ⁇ / b> B, and 10 ⁇ / b> C are respectively planes of the cage lid member 300.
  • FIG. 10 is a diagram illustrating a specific structure of the filter attachment portion 310 of the cage lid member 300 illustrated in FIG. 9, and FIGS. 10A, 10 ⁇ / b> B, and 10 ⁇ / b> C are respectively planes of the cage lid member 300.
  • FIG. 10 is a diagram illustrating a specific structure of the filter attachment portion 310 of the cage lid member 300 illustrated in FIG. 9, and FIGS. 10A, 10 ⁇ / b> B,
  • FIG. 3 is a sectional view taken along line KK, and an enlarged view of an L portion. It is a figure for demonstrating the state which accommodated the breeding cage 3 shown in FIG. 9 in the breeding rack 20.
  • FIG. 12 is a diagram illustrating a specific structure of the filter attachment portion 410 of the cage lid member 400 shown in FIG. 11, and FIGS. 12A, 12 ⁇ / b> B, and 12 ⁇ / b> C are planes of the cage lid member 400, respectively.
  • FIG. 3 is a sectional view taken along line NN, and an enlarged view of a P portion.
  • FIG. 14 is a schematic diagram for explaining a conventional breeding system 2010 compared with the breeding system 1010 of the present invention shown in FIG. 13, and a positive pressure rack 2010 and an in-rack ventilation device 2200 constituting the breeding system 2010 are provided in a breeding room 1030. Indicates the installed state.
  • the present invention relates to a cage lid member constituting a breeding cage, comprising a plate-like lid body, and the lid body includes a filter attachment part for attaching a ventilation filter.
  • the currently popular ventilation filter has a male thread part, but if the lid body is made of a disposable thin (for example, about 0.3 mm to about 2 mm) resin, it is customary to install the filter attachment part of the ventilation filter.
  • the present inventor has found that a problem arises in that the damage occurs.
  • the present invention provides a cage lid formed of a disposable thin member by forming an insertion hole for inserting the male thread portion of the ventilation filter in the filter mounting portion and forming a notch at the edge of the insertion hole. This solves the problem that the filter mounting portion of the member is damaged.
  • the plate-like lid body constituting the cage lid member of the present invention for example, a thin member suitable for disposable use is used.
  • the thickness of the lid member of the present invention is about 0.3 mm to about 2 mm, more preferably about 0.5 mm to about 1 mm. If it is too thin, it will not function as a lid, and if it is too thick, it will be too expensive for a disposable lid. Since the thickness of the lid member of the present invention is thin like this, it may be difficult to form a female thread corresponding to the male thread of the ventilation filter.
  • any plastic material suitable in the field suitable for a disposable lid for example, polyethylene terephthalate, polyethylene, polypropylene, polylactic acid, polyglycolic acid
  • the cage lid member of the present invention may be formed from polyethylene terephthalate.
  • the cage lid member of the present invention may be formed from a biodegradable plastic. This biodegradable plastic can be derived from, for example, corn or potato.
  • the filter mounting portion of the cage lid member of the present invention has an insertion hole for inserting and fixing the ventilation filter, and one or a plurality of cut portions formed at the edge of the insertion hole.
  • the shape of the cut portion may be formed in any shape such as a semi-elliptical shape, a triangle, a straight line (slit), a square shape, a semi-circular shape, or a U shape. It is letter-shaped or semi-circular.
  • One or a plurality of the cut portions of the present invention can be provided.
  • the plurality of cut portions may be evenly arranged at the edge of the insertion hole or may be unevenly arranged.
  • the notches are provided opposite (at approximately 180 ° intervals), and in an embodiment in which three notches are provided, the notches are provided at approximately 120 ° intervals.
  • the cuts may be provided at approximately 90 ° intervals.
  • the filter attachment of the present invention has two opposing cuts, and in a more preferred embodiment it can have two opposing U-shaped or semi-circular cuts.
  • the structure of the filter mounting portion may be a structure in which not only the insertion hole and the cut portion are formed in the plate-like lid body, but also the periphery of the insertion hole is reinforced. Since the lid main body is made of a thin resin so as to be disposable, it is not able to withstand the weight of the ventilation filter and is recessed downward, so that a reinforced portion can be provided to suppress this recess. As a structure that reinforces the periphery of the insertion hole in this manner, a protrusion provided around the insertion hole can be mentioned, but the present invention is not limited to this.
  • the projecting portion is a projecting portion projecting from the lid body, and may have an arbitrary height.
  • the height of the protruding portion may be about 6 mm to about 10 mm, which is the same as or higher than the height H1 at which a filter screw portion 101b described later protrudes from the surface of the lid body 200a.
  • the protruding portion is a convex portion formed in a ring shape around the insertion hole of the filter mounting portion.
  • the present invention is not limited to this, and the depression of the lid body due to the weight of the ventilation filter is suppressed. It can be of any configuration as long as it can.
  • the lid body of the present invention may have a raised portion, and the filter mounting portion may be provided on the raised portion.
  • the raised portions of the present invention can be raised from the lid body, for example, from about 30 mm to about 50 mm, preferably about 40 mm.
  • the ridges of the present invention may be raised at an angle of, for example, about 30 ° to about 50 °, preferably about 40 °. By raising at such an angle, it becomes possible to ensure higher elasticity than when raising at about 90 °.
  • the present invention relates to a breeding system including a breeding rack that accommodates a plurality of breeding cages, and a ventilation system that ventilates the breeding rack (a ventilation system in the rack).
  • the ventilation system can be adjusted to provide negative pressure in a plurality of breeding cages and positive pressure in a breeding rack other than the plurality of breeding cages.
  • the ventilation system can be any means within a range that allows negative pressure inside the breeding cage and positive pressure inside the breeding rack other than the breeding cage.
  • the ventilation system includes an air supply device that supplies air into the breeding rack and an exhaust device that exhausts air from a plurality of breeding cages housed in the breeding rack.
  • the present invention is not limited to this.
  • the rack Part of the outside air introduced into the body is exhausted from the breeding rack without passing through the breeding cage.
  • an insertion hole for inserting a male screw portion of a ventilation filter (hereinafter referred to as a filter screw portion) is formed in the filter mounting portion as a cage lid member of the following first to fourth embodiments.
  • a cage lid member having a notch at the edge of the insertion hole will be described.
  • Embodiment 1 describes a cage lid member in which only an insertion hole and a notch are formed in a filter mounting portion of a lid body.
  • Embodiment 2 describes a cage lid member in which a ring-shaped convex portion for reinforcement around the insertion hole is formed in the filter mounting portion of the lid body in addition to the insertion hole and the cut portion.
  • the filter mounting portion of the lid main body is provided not only in the insertion hole and the cutout portion but also in a raised portion compared to the portion other than the mounting portion in the lid main body.
  • the filter mounting portion of the lid main body has not only the insertion hole, the cut portion, and the ring-shaped convex portion, but also a portion that is raised compared to the portion other than the mounting portion of the lid main body. What is provided in is described.
  • the inside of a plurality of breeding cages housed in the breeding rack is set to negative pressure, and the inside of the breeding racks other than the plurality of breeding cages is positive.
  • a rearing system with an in-rack ventilation system configured to provide pressure.
  • FIG. 1 is a perspective view showing a breeding cage 1 using a cage lid member 100 according to Embodiment 1 of the present invention.
  • the cage lid member 100 is a lid member that covers the opening of the cage body 10 that accommodates the small animals M, as shown in FIG. 1, and constitutes the breeding cage 1 together with the cage body 10.
  • FIG. 2 is an exploded perspective view of the breeding cage 1 shown in FIG.
  • the cage body 10 of the breeding cage 1 includes a main body container 11 made of a plastic material and a shielding net 12 made of a wire mesh.
  • the shielding net 12 is provided so that the opening of the main body container 11 can be opened and closed.
  • the main body container 11 is not limited to a plastic one, and may be made of paper, glass, earthenware or metal.
  • the shielding net 12 is not limited to metal, but may be made of plastic, paper, earthenware, or metal.
  • the cage lid member 100 includes a plate-like lid body 100a and a lid peripheral wall 100b formed around the lid body 100a.
  • the lid main body 100a includes a filter attachment portion 110 for attaching the ventilation filter 101 and a bottle attachment portion (bottle attachment portion) 120 for attaching the water supply bottle 102.
  • An insertion hole 111 for inserting the ventilation filter 101 is formed in the filter attachment portion 110, and the ventilation filter 101 is attached to the insertion hole 111 of the cage lid member 100 from the inside of the cage lid member 100. .
  • the ventilation filter 101 may be attached to the insertion hole 111 of the cage lid member 100 from the outside of the cage lid member 100.
  • a bottle housing pit 121 for housing the water supply bottle 102 is formed in the bottle mounting portion 120, and a nozzle insertion port 121 a for inserting the water supply nozzle 102 a of the water bottle 102 is formed on the bottom surface of the bottle housing pit 121.
  • the water supply bottle 102 is fixed to the bottle accommodating pit 121 by a fixing tool (not shown).
  • the water supply to the small animal M in the breeding cage 1 is not limited to the case of performing water supply from the water supply bottle 102 attached to the cage lid member 100, and water may be supplied from a water supply system (not shown) separated from the breeding cage 1. .
  • the lid body 100a and the lid peripheral wall 100b are integrally formed of polyethylene terephthalate having a thickness of about 0.5 mm to about 1 mm.
  • the cage lid member 100 may be produced by joining a lid body 100a and a lid peripheral wall 100b formed separately.
  • the lid body 100a and the lid peripheral wall 100b may be made of the same material or different materials.
  • the members constituting the lid main body 100a and the lid peripheral wall 100b are not limited to polyethylene terephthalate having such a thickness, but other plastic materials (for example, polyethylene resin, polypropylene, thicker or thinner than such thickness). Resin, acrylic resin, etc.).
  • the thickness of the member constituting the lid main body 100a or the lid peripheral wall 100b is thick enough to ensure the strength required for the cage lid member 100 and thin enough to satisfy the economic efficiency required as a disposable member. If it is.
  • FIG. 3 is a view for explaining the ventilation filter 101 and the filter mounting portion 110 shown in FIG. 2.
  • FIGS. 3 (a) to 3 (e) are an enlarged side view of the ventilation filter 101 and a cage lid member, respectively.
  • FIG. 100 is a plan view of FIG. 100, a cross-sectional view taken along line AA, an enlarged view of a portion B, and an enlarged plan view of the filter mounting portion 110.
  • the ventilation filter 101 attached to the lid body 100a includes a filter body 101a having an air filtering function and the filter body 101a fixed to the lid body 100a of the cage lid member 100 as shown in FIG. And a filter thread part (male thread part) 101b.
  • a thread 101b2 is formed on the outer peripheral surface of a cylindrical screw shaft body 101b1.
  • a vent passage 101b3 connected to the filter body 101a is formed inside the screw shaft 101b1, and an opening at the tip of the vent passage 101b3 is a vent hole 31a (formed in an exhaust branch pipe 31 of the ventilation system 30 described later). It becomes the connection port 101b4 connected to FIG. 5, FIG.
  • the height Ha of the filter body 101a can be arbitrary as long as a desired filtration function is achieved. In one embodiment, the height Ha of the filter body 101a is about 1 cm to about 4 cm, preferably about 2 cm.
  • the height Hb of the filter thread portion 101b is preferably a height at which the screw thread 101b2 can be formed at least once in the screw shaft body 101b1, but some height (for example, half the height that can be formed in one turn). A height such as one third).
  • the filter mounting part 110 of the cage lid member 100 is a partial area of the plate-shaped lid body 100a as shown in FIGS. 3B and 3C, and this area includes the ventilation filter 101.
  • a circular insertion hole 111 for inserting the filter screw portion 101b is formed.
  • a pair of cut portions 111 a is formed at the edge of the insertion hole 111.
  • the cut portion 111a may be any space that avoids or suppresses the thread 101b2 from interfering with the insertion hole 111 when the screw shaft body 101b1 of the filter screw portion 101b is inserted into the insertion hole 111.
  • the number, shape, or dimensions are not limited.
  • the number of the cut portions 111a is increased, it is difficult to manufacture, and the fixing strength due to the contact between the thread 101b2 and the peripheral portion of the insertion hole 111 is lowered. Therefore, the number of the cut portions is preferably 2 to 3. . Further, the number of the threads 101b2 may be one, or a plurality of threads 101b2 may be provided according to the number of the cut portions 111a.
  • the diameter Da (see FIGS. 3D and 3E) of the arc portion of the insertion hole 111 is equal to the diameter D1 (FIG. 3A of the screw shaft body 101b1 of the filter screw portion 101b. )) Is substantially the same as or larger than the diameter D1.
  • the insertion hole 111 and the screw shaft body 101b1 of the filter screw portion 101b do not interfere with each other. Therefore, the filter screw part 101b of the ventilation filter 101 can be easily screwed into the lid main body 100a, and damage to the edge of the insertion hole 111 of the filter attachment part 110 can be suppressed.
  • the diameter Da of the arc portion of the insertion hole 111 is smaller than the outer diameter D2 of the thread 101b2.
  • the depth D of the cut portion 111a is not less than the height H of the thread 101b2 (D ⁇ H).
  • the shape of the cut portion 111a may be a semicircular shape that is approximately twice the height (that is, the depth of the thread groove) H of the thread 101b2 of the filter screw portion 101b.
  • H can be about 1.0 ⁇ D to about 2.0 ⁇ D, about 1.2 ⁇ D to about 1.8 ⁇ D, about 1.3 ⁇ D to about 1.7 ⁇ D, and the like.
  • the shape of the cut portion 111a is not limited to this, and may be a triangle, a semi-elliptical shape, or the like.
  • the depth of the cut portion 111a is the same as the thread 101b2 of the filter screw portion 101b. It can be arbitrary as long as it does not interfere.
  • FIG. 4 is a perspective view of the filter mounting portion 110 shown in FIG. 2 as viewed from the upper side of the cage lid member 100.
  • FIGS. 4 (a) to 4 (c) show filter screws from the lower side of the lid body 100a. A mode that the part 101b is screwed in the insertion hole 111 is shown in steps.
  • the ventilation filter 101 is disposed below the insertion hole 111 of the cage lid member 100 with the filter screw portion 101b of the ventilation filter 101 facing upward.
  • the tip of the thread 101 b 2 is inserted obliquely from the inside of the cage lid member 100 into the cut portion 111 a of the insertion hole 111 while rotating the ventilation filter 101 in the Y direction.
  • the screw shaft body of the ventilation filter 101 is obtained by further rotating the ventilation filter 101 in the Y direction in a state where the tip of the screw thread 101b2 is inserted into the cut portion 111a of the insertion hole 111. 101 b 1 is screwed into the insertion hole 111.
  • the ventilation filter 101 is fixed to the cage lid member 100 by the ventilation filter 101 being fastened to the lid body 100a of the cage lid member 100 by the filter screw portion 101b.
  • the breeding cage 1 in which the breeding environment is formed can be obtained.
  • FIG. 5 is a diagram showing an example of a breeding system in which the breeding cage 1 shown in FIG. 1 is used.
  • the breeding system 1000 includes a breeding rack 20 that houses a plurality of breeding cages 1 and a ventilation system 30 that ventilates the plurality of breeding cages 1 housed in the breeding rack 20.
  • the breeding rack 20 includes a pair of left and right vertical frames 21 and a plurality of (here, five) shelf boards 22 attached between the pair of left and right vertical frames 21.
  • a plurality of (in this case, four) breeding cages 1 can be arranged.
  • reference numeral 23 denotes a top plate of the breeding rack 20.
  • the ventilation system 30 has an exhaust branch pipe 31 common to the plurality of breeding cages 1 placed on the shelf 22 at each stage.
  • Each exhaust branch pipe 31 is formed with a vent hole 31a (see FIG. 6A) connected to the connection port 101b4 (FIG. 3A) of the vent path 101b3 of the ventilation filter 101. It is located at a position corresponding to the ventilation filter 101 of each breeding cage 1.
  • the ventilation filter 101 and the exhaust branch pipe 31 are connected to each other by the pressure contact between the ventilation filter 101 and the exhaust branch pipe 31, and the connection port 101 b 4 of the ventilation path 101 b 3 of the ventilation filter 101 and the vent hole 31 a of the exhaust branch pipe 31.
  • the present invention is not limited to this.
  • the ventilation filter 101 and the exhaust branch pipe 31 may be connected via an exhaust tube or the like.
  • the ventilation system 30 includes an exhaust trunk pipe 32 connected to the exhaust branch pipe 31 of each stage, and a ventilation device 30a.
  • the ventilation device 30a is configured such that air sucked from each breeding cage 1 through the exhaust branch pipe 31 and the exhaust trunk pipe 32 is discharged to the outside of the breeding rack 1000 through a discharge pipe (not shown). ing.
  • the exhaust branch pipe 31 and the exhaust trunk pipe 32 at each stage constitute a ventilation pipe.
  • the ventilation device 30a is, for example, an exhaust fan connected to the exhaust trunk pipe 32, but is not limited thereto.
  • the filter mounting portion 110 including the insertion hole 111 is provided in the plate-like lid main body 100a, and the filter screw portion 101b of the ventilation filter 101 is screwed into the insertion hole 111. Therefore, even when a thin disposable member is used for the cage lid member 100, the ventilation filter 101 can be attached to the cage lid member 100. Moreover, since the notch 111a is formed at the edge of the insertion hole 111, the ventilation filter 101 can be easily screwed into the lid body 100a, and the filter mounting portion 110 of the cage lid member 100 made of a thin member is damaged. This can be avoided or suppressed.
  • FIG. 6 is a view for explaining a state where the breeding cage 1 shown in FIG. 1 is housed in the breeding rack 20.
  • FIG. 6 (a) shows an appropriate use state of the breeding cage 1, but as shown in FIG. 6 (b), when the cage lid member is formed thin so as to be disposable, the attachment part of the ventilation filter becomes the ventilation filter. It may be recessed depending on the weight of the. In this case, there is a gap between the ventilation filter 101 and the exhaust branch pipe 31, and there is a risk that ventilation in the breeding cage 1 will be insufficient.
  • FIG. 7 is a perspective view showing the breeding cage 2 using the cage lid member 200 according to Embodiment 2 of the present invention.
  • the cage lid member 200 according to the second embodiment is obtained by reinforcing the filter mounting portion 110 of the cage lid member 100 according to the first embodiment, and instead of the filter mounting portion 110 according to the first embodiment, a filter mounting portion having a different structure from this. 210 is provided.
  • Other configurations of the cage lid member 200 are the same as those of the cage lid member 100 of the first embodiment.
  • FIG. 8 is a view showing a specific structure of the filter mounting portion 210 of the cage lid member 200 shown in FIG. 7, and FIGS. 8A, 8B, and 8C are respectively cage lid members.
  • 2 is a plan view of 200, a cross-sectional view taken along line GG, and an enlarged view of a J portion.
  • a plate-like lid body 200a constituting the cage lid member 200 is provided with a filter mounting portion 210.
  • the filter mounting portion 210 forms an insertion hole 111 for inserting the filter screw portion 101b in the lid main body 200a, and is further formed around the insertion hole 111.
  • a ring-shaped convex portion (protruding portion) 212 is formed along.
  • this filter attachment part 210 like the filter attachment part 110 of Embodiment 1, it forms so that a pair of notch part 111a may oppose the edge of the insertion hole 111.
  • the height H2 of the ring-shaped convex portion 212 is such that when the ventilation filter 101 is attached to the filter attachment portion 210 so that the ventilation filter 101 is located below the cage lid member 200, the filter screw portion 101b is the surface of the lid body 200a. Is set to be substantially the same as or higher than the height H1 projecting from. In this way, when the breeding cage 2 is arranged in the ventilation system 30 as shown in FIG. 6A, the lower surface of the exhaust branch pipe 31 is formed of the ring-shaped convex portion 212 as shown in FIG. 8A.
  • the inner diameter C2 of the ring-shaped convex portion 212 is larger than the diameter D0 of the filter body 101a of the ventilation filter 101 as shown in FIG. Therefore, when the ventilation filter 101 is attached to the filter attachment portion 210 from above the cage lid member 200, the filter body 101a is in a state of being accommodated inside the ring-shaped convex portion 212. By doing in this way, the peripheral part of the filter screw part 101b of the filter main body 101a is attached to the lid main body 200a of the cage lid member 200 in the same manner as when the ventilation filter 101 is attached from the lower side of the cage lid member 200. It is possible to secure the fixing strength with close contact.
  • the size of the ring-shaped convex portion 212 is not limited to the above-described configuration, and the height H2 of the ring-shaped convex portion 212 is lower than the height H1 at which the filter screw portion 101b protrudes from the surface of the lid body 200a.
  • the inner diameter C2 of the ring-shaped convex portion 212 may be smaller than the diameter D0 of the filter body 101a of the ventilation filter 101.
  • the filter mounting portion 210 of the lid body 200a has a structure in which the ring-shaped convex portion 212 is formed along the periphery of the insertion hole 111 formed in the lid body 200a.
  • the filter mounting part 210 of the lid main body 200a and the peripheral part thereof are reinforced, and the central filter mounting part 210 of the cage lid member 200 can be prevented from being recessed due to the weight of the ventilation filter 101 or the like.
  • the cage lid members 100 and 200 according to the first and second embodiments have the ventilation filter 101 and the exhaust branch pipe 31 attached to the cage lid members 100 and 200 in a state where the breeding cages 1 and 2 are housed in the breeding rack 20. Since the connection port 101b4 of the ventilation path 101b3 of the ventilation filter 101 and the ventilation hole 31a of the exhaust branch pipe 31 are connected to each other, the peripheral portions of the filter mounting portions 110 and 210 of the cage lid members 100 and 200 are raised to ventilate. In order to improve the close contact between the filter 101 and the exhaust branch pipe 31, it is desirable to have a structure with high elasticity.
  • FIG. 9 is a perspective view showing the breeding cage 3 using the cage lid member 300 according to Embodiment 3 of the present invention.
  • the cage lid member 300 according to the third embodiment has improved elasticity in the peripheral portion of the filter mounting portion 110 in the cage lid member 100 according to the first embodiment. Instead, a lid main body 300a including a raised portion 313 is provided. Other configurations of the cage lid member 300 are the same as those of the cage lid member 100 of the first embodiment.
  • FIG. 10 is a view showing a specific structure of the filter mounting portion 310 of the cage lid member 300 shown in FIG. 9, and FIGS. 10 (a), 10 (b), and 10 (c) are respectively cage lid members.
  • FIG. 3 is a plan view of 300, a sectional view taken along the line KK, and an enlarged view of an L portion.
  • the lid body 300a of the cage lid member 300 has a raised portion 313, and the filter mounting portion 310 is provided on the raised portion 313 of the cage lid member 300.
  • An insertion hole 111 for attaching the ventilation filter 101 is formed in the flat portion.
  • the side surface of the raised portion 313 is an inclined surface, and the elasticity of the raised portion 313 is enhanced by this inclined surface.
  • the inclination angle of the inclined surface of the raised portion 313 is in the range of about 30 ° to about 50 °, and preferably about 40 °.
  • a pair of cut portions 111a are formed at the edge of the insertion hole 111 so as to face each other.
  • the height of the inner surface of the raised portion 313 relative to the inner surface of the lid body 300a other than the raised portion 313 (hereinafter referred to as the height of the raised portion 313) H3 is higher than the height Ha of the filter body 101a. It is high. In one embodiment, the height Ha of the filter body 101a is about 3 cm to about 5 cm, and the height Ha of the filter body 101a is preferably about 2 cm. In contrast, the height H3 of the raised portion 313 may be about 4 cm.
  • the lower surface of the filter body 101a is higher than the lower surface of the lid body 100a other than the raised portion 313 as shown in FIG. 10A. Since the ventilation filter 101 is disposed at a position higher than the shielding net 12 (not shown), it is possible to prevent the small animal M from biting the ventilation filter 101 from causing a malfunction in the ventilation filter 101. it can.
  • the protruding portion 313 whose side surface is inclined is formed in a part of the plate-shaped lid main body 300 a, and the filter attachment portion 310 is disposed on the top portion of the protruding portion 313. Therefore, the dent by the weight of the ventilation filter 101 as shown in FIG. 6B is suppressed. Moreover, an inclined surface is located in the peripheral part of the filter attachment part 310, and the elasticity of the peripheral part of the filter attachment part 310 increases. As a result, in the breeding cage 3 using the cage lid member 300, the peripheral portion of the filter mounting portion 310 is easily deformed when the filter mounting portion 310 is pressed downward. As shown in FIG. The operation of pushing between the shelf plate 22 and the exhaust branch pipe 31 of the breeding rack 20 shown in FIG.
  • FIG. 11 is a perspective view showing the breeding cage 4 using the cage lid member 400 according to Embodiment 4 of the present invention.
  • the cage lid member 400 according to the fourth embodiment is obtained by reinforcing the filter mounting portion 310 of the cage lid member 300 according to the third embodiment.
  • the cage lid member 400 is replaced with the filter mounting portion 310.
  • a filter mounting portion 410 having a different structure is provided.
  • Other configurations of the cage lid member 400 are the same as those of the cage lid member 300 of the third embodiment.
  • FIG. 12 is a view showing a specific structure of the filter mounting portion 410 of the cage lid member 400.
  • FIGS. 12 (a) to 12 (c) are a plan view of the cage lid member 400 and a cross section taken along line NN, respectively. It is an enlarged view of a figure and P part.
  • the lid body 400a of the cage lid member 400 has a raised portion 313 similar to the cage lid member 300 of the third embodiment, and the filter attachment of the third embodiment is attached to the raised portion 313.
  • a filter mounting portion 410 having a structure different from that of the portion 310 is provided.
  • the filter attachment portion 410 forms an insertion hole 111 for attaching the ventilation filter 101 to the flat portion of the raised portion 313 constituting the lid body 400a. Further, a ring-shaped convex portion (projecting portion) 412 is formed around the insertion hole 111. Also in this filter attachment part 410, like the filter attachment part 310 of Embodiment 3, it forms so that a pair of notch part 111a may oppose the edge of the insertion hole 111.
  • the ring-shaped convex part 412 has the same structure as the ring-shaped convex part 212 of the second embodiment.
  • the functions and effects of the cage lid member 400 according to the fourth embodiment for example, functions when the breeding cage 4 using the cage lid member 400 is arranged on the shelf 22 of the breeding rack 20 as shown in FIG. Since the functions and effects of the cage lid members 100, 200, and 300 in Embodiments 1 to 3 are the same as those of Embodiments 1 to 3, they are omitted.
  • the ventilation filter attached to the cage lid member is a single exhaust filter, but the present invention is not limited to this.
  • the ventilation filter may be an exhaust filter or an air supply filter.
  • the cage lid member may be provided with two or more filter attaching portions so that two or more ventilation filters can be attached.
  • an exhaust filter may be attached to the filter attachment portion and an air supply filter may be attached to the second filter attachment portion as the ventilation filter.
  • the rearing rack of this rearing system is provided with an air supply branch pipe along with an exhaust branch pipe for each shelf board, and in a rearing cage placed on the shelf board of the rearing rack, the exhaust filter is connected via an exhaust tube or the like.
  • the air supply filter may be connected to the air supply branch pipe through an air supply tube or the like.
  • each filter and the exhaust branch pipe or the air supply pipe as described in the first to fourth embodiments, each filter and the exhaust branch pipe or the air supply pipe. You may make it carry out by press-contact with a branch pipe.
  • Embodiment 5 As a ventilation system that ventilates a breeding rack that houses multiple breeding cages (ventilation system in the rack), clean air flows from the porous plate on the back of the breeding rack toward the open front of the breeding rack. Some have created an air flow to avoid cross-contamination between shelves in the rearing rack. In this ventilation system, the volume to be ventilated is reduced as the internal volume of the breeding rack as compared with the case where the whole breeding room is ventilated without performing ventilation for each breeding rack.
  • the volume to be ventilated is the sum of the contents of multiple breeding cages, and the volume to be ventilated
  • the processing air volume for air purification in the breeding room where the breeding rack is installed is also greatly reduced.
  • the present invention provides a ventilation system including a breeding rack that accommodates a plurality of breeding cages and a ventilation system that ventilates the breeding racks.
  • the present invention provides a problem solving means for constructing a breeding rack other than a plurality of breeding cages so as to be positive pressure.
  • the negative pressure in the breeding cage means that the air pressure in the breeding cage is relatively lower than the pressure outside the breeding cage.
  • the positive pressure in the breeding rack means that This means that the atmospheric pressure is relatively higher than the atmospheric pressure outside the breeding rack (for example, in the breeding room).
  • the negative pressure in the breeding cage and the positive pressure in the breeding rack are such that the pressure in the breeding cage is lower than atmospheric pressure (about 1013 hPa), and the pressure in the breeding rack other than the breeding cage is atmospheric pressure. Although it is a state higher than (about 1013 hPa), this invention is not limited to this.
  • the atmospheric pressure inside the breeding cage is relatively low with respect to the atmospheric pressure of the breeding rack, and the atmospheric pressure inside the breeding rack is relatively high than the atmospheric pressure outside the breeding rack (breeding room),
  • the atmospheric pressure in the breeding cage and the breeding rack may be equal to or lower than the atmospheric pressure, and the atmospheric pressure in the breeding cage and the breeding rack may be positive.
  • the breeding system includes a breeding rack and a ventilation system thereof, and each breeding cage accommodates a cage that can be individually dust-removed. It does not specifically limit if it has a function which makes the inside of a breeding rack a positive pressure. Therefore, the breeding system of the present invention may be one in which the breeding cage of any of Embodiments 1 to 4 is accommodated in a breeding rack.
  • the rearing system accommodates a plurality of rearing cages 1 of the first embodiment in the rearing rack, and as a ventilation system, the air supply that keeps the inside of the rearing rack at positive pressure by air supply It shall have an apparatus and the exhaust apparatus which hold
  • FIG. 13 is a schematic diagram for explaining a breeding system 1010 according to Embodiment 5 of the present invention.
  • a breeding rack 1100 and an in-rack ventilation device 1200 constituting the breeding system 1010 are installed in a breeding room 1030 of the breeding facility 1001. Indicates the state.
  • the breeding facility 1001 has a breeding room 1030 for breeding small animals and a breeding system 1010 installed in the breeding room 1030.
  • the breeding system 1010 includes a breeding rack (individual dust removal rack) 1100 that houses a plurality of breeding cages, and an in-rack ventilation system 1200 that ventilates the inside of the breeding rack 1100.
  • a breeding rack individual dust removal rack
  • an in-rack ventilation system 1200 that ventilates the inside of the breeding rack 1100.
  • the breeding cage 1 of Embodiment 1 is used for the plurality of breeding cages.
  • the in-rack ventilation system 1200 is configured such that dust removal of the plurality of breeding cages 1 housed in the breeding rack 1100 is performed individually, and dirt inside each breeding cage 1 does not spread inside and outside the breeding rack 1100.
  • the breeding cage 1 and the breeding rack 1100 are configured to be ventilated.
  • the breeding rack 1100 includes a rack body 1110 for storing a plurality of breeding cages 1, and a rack door 1120 for opening and closing an opening for inserting and removing the breeding cage 1 into and from the rack body 1110. Is configured such that the breeding cage 1 can be arranged over a plurality of stages.
  • the in-rack ventilation system 1200 includes an air supply device 1210 that supplies clean air in the breeding room 1030 to the breeding rack 1100, and the air in each breeding cage 1 through the ventilation filter 101 (outside the breeding rack 1100.
  • the air supply device 1210 includes an air supply pipe 1212 and an air supply fan 1211, and the air supply pipe 1212 is arranged from the inside of the breeding rack 1100 to the outside, and the breeding rack 1100 of the air supply pipe 1212 is arranged.
  • An air supply fan 1211 is attached to the end located outside, and clean air in the breeding room 1030 is supplied into the breeding rack 1100 by the air supply fan 1211.
  • the exhaust device 1220 includes an exhaust pipe 1222 and an exhaust fan 1221, and the exhaust pipe 1222 includes a plurality of exhaust branch pipes 1223 and a plurality of exhaust branch pipes 1223 provided corresponding to each of the plurality of breeding cages 1.
  • the exhaust trunk pipe 1224 is connected to the exhaust trunk pipe 1224.
  • One end of the exhaust branch pipe 1223 is connected to the ventilation filter 101 of the breeding cage 1, and the other ends of the plurality of exhaust branch pipes 1223 are connected to the exhaust trunk pipe 1224.
  • An exhaust fan 1221 is attached to an end portion of the exhaust trunk pipe 1224 located outside the breeding rack 1100, and air in the individual breeding cage 1 is passed from the exhaust fan 1221 to the outside of the breeding rack 1100 through the ventilation filter 101. It is supposed to be discharged.
  • the breeding cage 1 does not have a structure in which the opening on the upper surface of the cage body 10 is sealed by the cage lid member 100, and the negative pressure in the breeding cage 1 is between the cage body 10 and the cage lid member 100.
  • a gap Gp is formed as an introduction part for introducing air in the breeding rack 1100 into the breeding cage 1.
  • the introduction unit may be any mechanism as long as the air in the breeding rack 1100 can be introduced into the breeding cage 1.
  • the introduction part is not limited to the gap Gp, and may be a fine through hole formed in the cage lid member 100 or the cage body 10, for example.
  • the rack filter 1230 is disposed in a path through which air that has failed to enter any of the plurality of breeding cages 1 out of the clean air supplied from the breeding room 1030 into the breeding rack 1100 is discharged from the breeding rack 1100. .
  • the inside of the breeding rack 1100 is held at a positive pressure, and the exhaust device 1220 exhausts air from each breeding cage 1.
  • the inside of each breeding cage 1 is maintained at a negative pressure.
  • the exhaust amount per unit time of the gas exhausted from inside the breeding cage 1100 in the exhaust device 1220 is less than the supply amount per unit time of the outside air supplied into the breeding rack 1100 in the air supply device 1210. By doing so, a part of the outside air introduced into the breeding rack is exhausted from the breeding rack without passing through the breeding cage.
  • positive pressure inside the breeding rack means that the pressure inside the breeding rack is higher than the pressure outside the breeding rack
  • negative pressure inside the breeding cage means that the pressure inside the breeding cage is outside the breeding cage.
  • the positive pressure in the breeding rack is realized by supplying air outside the breeding rack 1100 (air in the breeding room 1030) to the inside of the breeding rack 1100 by the air supply device 1210.
  • the negative pressure inside the breeding cage is realized by exhausting the air inside the breeding cage 1 to the outside of the breeding cage 1 (inside the breeding room 1030 which is outside the breeding rack 1100) by the exhaust device 1220.
  • Ventilation achieves proper oxygen supply to the cage, respiration of animals, removal of temperature loads caused by lighting or equipment, dilution of odors, adjustment of the moisture content of the ambient atmosphere, and formation of a static pressure difference between adjacent spaces Is done.
  • the number of ventilations per hour can be set as appropriate in consideration of conditions such as the number, species, size, and rack size of animals housed in cages according to regulations in the country and experimental facilities.
  • the ventilation rate is about 5 to about 25 times per hour, preferably about 10 to about 15 times.
  • the present invention is not limited to this.
  • the rack ventilation system 1200 of the present invention it is only necessary to ventilate the air in the cage as compared with the conventional technique of ventilating the entire breeding room, so that the ventilation amount can be reduced, thereby improving the ventilation efficiency. Energy saving and cost reduction can be achieved.
  • the device (room ventilation device) 1020 is kept in a clean state.
  • the indoor air conditioner 1020 includes an air supply pipe 1021, an air supply fan 1022, an exhaust pipe 1023, and an exhaust fan 1024.
  • the air supply fan 1022 supplies clean air to the breeding room 1030 through the air supply pipe 1021, and exhausts the air.
  • the fan 1024 is configured to discharge the air in the breeding room 1030 to the outside through the exhaust pipe 1023.
  • the processing air volume in the indoor air conditioner 1020 is an air volume corresponding to the total ventilation air volume in all the breeding cages 1 housed in the breeding racks 1100 of all the breeding systems 1010 installed in the breeding room 1030. .
  • FIG. 14 is a schematic diagram for explaining a conventional breeding system 2010 compared with the breeding system 1010 of the fifth embodiment, and shows a conventional breeding system 2010 using a positive pressure rack 2100.
  • a conventional breeding rack (positive pressure rack) 2100 in which the inside is held at a positive pressure is used as a breeding rack for accommodating a plurality of breeding cages 1a.
  • the breeding system 2010 includes a breeding rack 2100 for housing a plurality of breeding cages 1a and an in-rack ventilation system 2200 for ventilating the inside of the breeding rack 2100.
  • the breeding rack 2100 is provided with a plurality of shelves 2102 on which the breeding cage 1a is placed, the front side of the breeding rack 2100 is opened, and the perforated plate 2101 is attached to the rear side.
  • the breeding rack 2100 is configured such that the air supplied from the in-rack ventilation system 2200 flows from the back side to the front side through the perforated plate 2101 so that the inside of the breeding rack 2100 is maintained at a positive pressure.
  • the air flowing from the rear side of the breeding rack 2100 to the front side through the perforated plate 2101 forms a laminar flow, thereby causing mutual air pollution between the upper and lower shelves 2102 and between the breeding cages 1a adjacent to the same shelf. Is suppressed.
  • the breeding cage 1a used in the conventional positive pressure rack 2100 does not have a ventilation filter.
  • An opening (not shown) is formed so as to be possible.
  • the indoor air conditioner 2020 for ventilation of the breeding room 1030 is the indoor air conditioner 1020 of the breeding facility 1001 of the fifth embodiment.
  • a large apparatus having a high ventilation capacity is used. The reason is, In the rearing system 2010 using the positive pressure rack 2100, the inner volume of the rearing rack 2100 is the target of ventilation, which is larger than the inner volume of all the rearing cages 1a accommodated in the rearing rack 2100.
  • the ventilation air volume of the breeding room 1030 in which the positive pressure rack 2100 is installed also increases, and -Since dirt in the breeding cage 1a diffuses outside the positive pressure rack 2100, the inside of the breeding room 1030 in which the positive pressure rack 2100 is arranged needs to be removed by air conditioning, It is.
  • the exhaust device 1220 is provided so that the inside of each of the plurality of breeding cages 1 housed in the breeding rack 1100 is maintained at a negative pressure. Since the air in each breeding cage 1 is exhausted, it is possible to avoid dirty air in the breeding cage 1 from contaminating the breeding rack 1100 and the breeding room 1030. Moreover, in the in-rack ventilation system 1200, the ventilation target is an internal area of a plurality of the breeding cages 1 housed in the breeding rack 1100 (part of the breeding rack 1100). The amount of processing air for can be kept low.
  • the air supply device 1210 supplies clean air into the breeding rack 1100 so that the inside of the breeding rack 1100 that accommodates the plurality of breeding cages 1 is maintained at a positive pressure, it is arranged in the breeding rack 1100. Clean air is forcibly supplied from the gap Gp between the cage body 10 and the cage lid member 100 to each breeding cage 1. For this reason, ventilation efficiency in each breeding cage can be increased without using a complicated piping structure in which an air supply pipe is connected to each breeding cage 1, and at the same time, breeding with dirty air in the breeding cage is performed. Contamination in the rack and breeding room can be avoided more reliably.
  • the volume to be air-cleaned is a limited area of the breeding room 1030 that is a breeding environment (inner areas of the plurality of breeding cages 1 in the breeding rack 1100). Since the volume is limited, the processing air volume for air purification in the breeding rack 1100 and the breeding room 1030 can be greatly reduced, and the indoor air conditioner 1020 installed in the breeding facility 1001 can be downsized.
  • the ventilation efficiency in the individual rearing cage 1 is improved without complicating the piping structure, and the inside of the rearing rack due to dirty air or the like in the rearing cage 1 is increased. It is possible to more reliably prevent the spread of contamination in the breeding room.
  • the present invention is useful in the field of cage lid members and breeding cages and breeding systems using the cage lid member, which can obtain a disposable cage lid member in which a filter mounting portion is hardly damaged.
  • Rearing cage 10 Cage body 30 Ventilation system 100, 200, 300, 400 Cage lid member 101 Ventilation filter 110, 210, 310, 410 Filter mounting part 111 Insertion hole 111a Notch part 212, 412 Ring-shaped convex part 313 Raised part 1000 breeding rack 1001 breeding facility 1010 breeding system 1100 breeding rack (individual dust removal rack) 1200 Ventilation system in rack 1210 Air supply device 1220 Exhaust device

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Zoology (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Clinical Laboratory Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Housing For Livestock And Birds (AREA)

Abstract

L'objet de la présente invention est d'obtenir un élément de couvercle de cage jetable dans lequel une partie de fixation de filtre n'est pas facilement cassé. L'invention concerne un élément de couvercle de cage 100 constituant une cage d'élevage 1, un corps de couvercle en forme de plaque 100a étant prévu, le corps de couvercle 100a comprend une partie de fixation de filtre 110 à laquelle est fixé un filtre de ventilation 101, le filtre de ventilation 101 ayant une section de vis mâle 101b, la partie de fixation de filtre 110 est pourvue d'un trou d'insertion 111 dans lequel la section de vis mâle 101b du filtre de ventilation 101 est insérée, et le trou d'insertion 111 est pourvu de fentes 111a au niveau du bord.
PCT/JP2019/017753 2018-05-01 2019-04-25 Élément de couvercle de cage, cage d'élevage et système d'élevage WO2019212034A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018-088246 2018-05-01
JP2018088246 2018-05-01
JP2018-150807 2018-08-09
JP2018150807A JP6647599B2 (ja) 2018-05-01 2018-08-09 ケージ蓋部材、飼育ケージおよび飼育システム

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205627A (en) * 1978-01-10 1980-06-03 Buchanan Robert R Animal cage
JPH023748Y2 (fr) * 1981-09-04 1990-01-29
JPH062016B2 (ja) * 1990-07-06 1994-01-12 ダイダン株式会社 動物飼育装置
US20080087231A1 (en) * 2006-10-13 2008-04-17 Gabriel George S Cage and rack system
JP2009095261A (ja) * 2007-10-15 2009-05-07 Hamurii Kk 実験動物用飼育装置
JP4933310B2 (ja) * 2007-03-07 2012-05-16 日本クレア株式会社 小動物用飼育装置
JP2014023517A (ja) * 2012-06-18 2014-02-06 Iitoron:Kk 小動物用ケージ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4205627A (en) * 1978-01-10 1980-06-03 Buchanan Robert R Animal cage
JPH023748Y2 (fr) * 1981-09-04 1990-01-29
JPH062016B2 (ja) * 1990-07-06 1994-01-12 ダイダン株式会社 動物飼育装置
US20080087231A1 (en) * 2006-10-13 2008-04-17 Gabriel George S Cage and rack system
JP4933310B2 (ja) * 2007-03-07 2012-05-16 日本クレア株式会社 小動物用飼育装置
JP2009095261A (ja) * 2007-10-15 2009-05-07 Hamurii Kk 実験動物用飼育装置
JP2014023517A (ja) * 2012-06-18 2014-02-06 Iitoron:Kk 小動物用ケージ

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