Butchering – Viscera processing – Roe or ova
Reexamination Certificate
2000-05-11
2001-10-23
Little, Willis (Department: 3643)
Butchering
Viscera processing
Roe or ova
C452S123000, C452S173000
Reexamination Certificate
active
06306027
ABSTRACT:
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a salmon roe selecting and washing machine for washing salmon roe taken from the abdominal cavity of salmon while selecting the salmon roe.
BACKGROUND OF THE INVENTION
Generally, salmon roe taken from the abdominal cavity includes not only normal, mature roe but also faulty roe such as immature roe, damaged, defected or crushed roe, and foreign substances such as blood, blood clot, pieces of internal organs, scales, blood vessels, etc.
If such faulty roe and/or foreign substances are mixed with normal, mature roe, the commodity value of the mature roe is reduced. It is necessary that faulty roe and foreign substances be reduced from the normal, mature roe.
Therefore, since before, a drum type, etc., salmon roe washing machine which washes salmon roe has been publicly known.
However, since, in prior art salmon roe washing machine, it is impossible to separate immature roe from normal, mature roe and impossible to easily separate and remove foreign substances from the normal, mature roe, immature roe and foreign substances could not be completely separated and removed from normal, mature roe by only washing them by any one of the prior art salmon roe washing machines. If faulty roe is mixed in normal, mature roe, the contents containing oily substances of the faulty roe are adhered to the mature roe, the mature roe is discolored by the oily substances, whereby there was a fear that the commodity value of the normal, mature roe is reduced.
For this reason, conventionally, foreign substances are roughly separated and removed from mature roe by a salmon roe washing machine, and workers must visually check roe to remove faulty roe and foreign substances from normal, mature roe.
If faulty roe and foreign substances cannot be completely separated from mature roe by only the washing machine, manpower is required to separate and remove faulty roe and foreign substances as additional work, whereby working efficiency is reduced and also the price of salmon roe is accordingly increased.
On the other hand, since there has been no machine that can simultaneously select and wash salmon roe in the prior arts, a salmon roe washing machine and a salmon roe selecting machine are required in order to carry out both washing and separation of salmon roe at the same time, whereby since salmon roe must be inputted in both the machines, working efficiency is worsened.
SUMMARY AND OBJECT OF THE INVENTION
The present invention was developed in order to solve these and other problems, and it is therefore an object of the invention to provide a salmon roe selecting and washing machine which is capable of completely removing faulty roe and foreign substances from normal, mature roe, and simultaneously select and wash salmon roe.
In order to achieve the abovementioned object, according to a first aspect of the invention, a salmon roe selecting and washing machine having at least one salmon roe transferring plate extending in the salmon roe transferring direction, in which a number of slits having such a width that normal salmon roe do not fall through are formed, and resiliently supporting a salmon roe transferring portion inclined downward in the salmon roe transferring direction in a frame thereof, wherein a means for vibrating the salmon roe transferring portion is provided at the salmon roe transferring portion; and a shower means for sprinkling salt water onto the salmon roe transferring portion is secured above the salmon roe transferring portion. By the abovementioned construction, salmon roe is transferred by streams of salt water by sprinkling salt water, using a shower means while vibrating the salmon roe transferring portion by the vibrating means, faulty roe and foreign substances, etc., can be eliminated through slits of the salmon roe transferring plate, whereby only normal, mature roe can be collected at a predetermined position.
According to a second aspect of the invention, a salmon roe selecting and washing machine is featured in that a plurality of the salmon roe transferring plates are disposed in a salmon roe transferring direction, and clearance through which normal salmon roe will not fall is formed between adjacent pairs of salmon roe transferring plates. Since the salmon roe selecting and washing machine is thus constructed, it is possible to remove faulty roe and foreign substances through clearance between adjacent pairs of salmon roe transferring plates.
According to a third aspect of the invention, a salmon roe selecting and washing machine is featured in that a salmon roe supplying casing spring-pressed upward is disposed at the upstream end of said salmon roe transferring portion and a chute for supplying salmon roe is provided upward of said salmon roe supplying casing. Since such a construction is employed, vibration of the salmon roe transferring portion, which are produced by the vibrating means, can be received by the springs, and salmon roe from the chute can be supplied from the salmon roe supplying casing to the salmon roe transferring portion in a stable state.
According to a fourth aspect of the invention, a salmon roe selecting and washing machine is featured in the said vibrating means is provided at both sides of said salmon roe transferring portion. Since such a construction is employed, it is possible to vibrate the salmon roe transferring portion in a stable state.
According to a salmon roe selecting and washing machine of the invention, since it is possible to completely remove faulty roe and foreign substances from normal, mature roe, selection and washing of salmon roe can be efficiently carried out at the same time.
That is, the salmon roe selecting and washing machine according to the invention is provided with at least one salmon roe transferring plate on which a number of slits having such a width that normal, mature roe do not fall through, and extending in the salmon roe transferring direction, are formed, wherein a salmon roe transferring portion which is inclined downward in the salmon roe transferring direction is resiliently supported on the frame, a means for vibrating the salmon roe transferring portion is provided at the salmon roe transferring portion, and a means for sprinkling salt water onto the salmon roe transferring portion is disposed above the salmon roe transferring portion. Therefore, salmon roe is transferred by streams of salt water by sprinkling salt water while vibrating the salmon roe transferring portion by a vibrating means, and faulty roe and foreign substances, etc., can be removed through the slits of the salmon roe transferring plates, whereby only normal, mature salmon roe can be collected at a regular position.
Further, a plurality of salmon roe transferring plates are disposed along salmon roe transferring direction, and clearance by which normal, mature salmon roe cannot fall through is formed between the adjacent pairs of salmon transferring plates, whereby faulty roe and foreign substances can be removed through the clearance between and adjacent pairs of transferring plates.
Still further, a salmon supplying casing which is pressed upward by a coil spring is disposed at the upstream end of the salmon roe transferring portion, and a chute which can supply salmon roe is provided upward of the salmon roe supplying casing, whereby vibrations of the salmon roe transferring portion by a vibrating means can be received by the spring, and salmon roe coming from the chute can be smoothly supplied from the salmon roe supplying casing to the salmon roe transferring portion.
In addition, if the vibrating means is attached at both sides of the salmon roe transferring portion, it is possible to smoothly vibrate the salmon roe transferring portion.
REFERENCES:
patent: 1000648 (1911-08-01), Wacker
patent: 2104450 (1938-01-01), Campbell
patent: 2640223 (1953-06-01), Secor
patent: 2784447 (1957-03-01), Thompson et al.
patent: 2808615 (1957-10-01), Snow
patent: 3846869 (1974-11-01), Barbee
patent: 4332057 (1982-06-01), Smith
patent: 1521-425-A (1989-11-01), None
Sato Atushi
Yoshida Masanori
Koda & Androlia
Little Willis
Nikko Co. Ltd.
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