US385161A - Obtaining oyster-spat - Google Patents
Obtaining oyster-spat Download PDFInfo
- Publication number
- US385161A US385161A US385161DA US385161A US 385161 A US385161 A US 385161A US 385161D A US385161D A US 385161DA US 385161 A US385161 A US 385161A
- Authority
- US
- United States
- Prior art keywords
- spat
- sets
- oyster
- coated
- obtaining
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 241000237502 Ostreidae Species 0.000 description 4
- 235000020636 oyster Nutrition 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- 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
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Definitions
- Figure 1 a section through the water, showing the submerged surface in a vertical position; Fig. 2, a series of such vertical surfaces.
- Fig. 3 represents the submerged surface in a position lying upon the ground.
- This invention relates to an improvement in obtaining the spat of oysters and retaining it in the desired position for setting.
- oyster-shells are planted-that is, the shells are thrown into the water and distributed over the surface of the bottom to catch the spat, and upon which they will set.
- the young oysters are so firmly attached to the shells that they are required to be broken from the shells, because if left to grow in that condition they are so numerous that in their growth they so interfere with each other as to cause the shells to grow in undesirable shapes.
- the oysters they are taken up at the proper time, the sets separated, and returned to grow; but in separating or breaking the sets from the shells very many are lost, and the operation is an expensive one, because they are necessarily taken up in small quantities.
- the spat float in the water, more or less settling upon the shells at the bottom; but large quantities are unavoidably carried off by the tide.
- the object of my invention is to obtain and secure the spat, and so that the sets may be readily removed from the surface upon which they are made in a more expeditious manner and without the loss which has hitherto accompanied this branch of oyster-raising; and the invention consists in a surface coated with an adhesive material-that is to say, a material which will adhere to the surface, but yet which is of a soft or plastic character-which To avoid this crowding of is not affected by the water-as pitch-arranged beneath the surface of the water, so as to catch the spat, and so that the sets form on this coated surface and are readily removed V without danger of destroying the sets.
- an adhesive material that is to say, a material which will adhere to the surface, but yet which is of a soft or plastic character-which To avoid this crowding of is not affected by the water-as pitch-arranged beneath the surface of the water, so as to catch the spat, and so that the sets form on this coated surface and are readily removed V without danger of destroying the sets.
- a flexible material preferring cloth of some charm-tor, which I support in substantially a vertical position below the surface of the water, as shown in the acco1npanying drawings.
- a stake as a, at one point and a second stake, b, at another and straining the cloth, d, between the two stakes; or a frame of any suitable character may be arranged to support the flexible material.
- One or both surfaces of this flexible material I coat with a suitable preferably strong-adhesive material--such as pitch; or any suitable coating which will not be affected by the water may be applied. It will be understood that this coating is to be applied before the flexible mate rial is submerged.
- the flexible material when the proper time for removal arrivesthe flexible material is taken bodily from the water, and because of the nature of the coated material the sets are easily scraped from the This may be supportedsurface and dislodged without danger of breakage or destruction. Then the flexible material may be retained for another season and reset.
- the ready separation between the sets and the coated surface is due to the fact that the coated surface is very much softer than the shell of the sets-that is to say, the coating detaches from its surface with the shell and without danger of breaking the shell, which breakage necessarily results to a great extent when the shells are set upon a hard surface, and which does not give way inthe removing of the shell.
- the coated surface is not of necessity a flexible surface. It may be made from boards face the same as on the flexible material; but I prefer flexible material because of more convenient handling and separation of the sets, as the flexible material may be more readily taken into the boat than boards of the same size could be.
- ⁇ Vhile I prefer to arrange the coated surface in substantially a vertical position, as I have deseribedfirst, because the surface will be undisturbed by the Washing of mud or sand thereon, and, second, because it permits a greater amount of surface on the same groundspace than could be were the coated space lying on the bottom yet' the coated surface maybe placed flat upon the bottom of the oyster-grounds, so that the sets will settle thereon, as seen in Fig. 3, 0 representing the horizontal coated surface on the ground, it being retained in position bysuitable stakes, f.
- pitch is the best material for coating the surface; butany suitable material which will not detrinientally affect the spat and will yet readily yield for the separation of the sets therefrom may be employed.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Description
(No Model.)
0. B. BEACH.
OBTAINING OYSTER SPAT} No. 386,161. Patented June 26, 1888.
'NITED STATES PATENT Farce.
OLIVER B. BEACH, OF STONY CREEK, CONNECTICUT.
OBTAINING OYSTER=SPAT.
SPECIFICATION forming part. of Letters Patent No. 385,161, dated June 26, 1888.
Application filed October 24, 1887. Serial No. 253,171, (No model.)
To aZZ whom it may concern:
Be it known that I, OLIVER B. BEACH, of Stony Creek, in the county of New Haven and State of Connecticut, have invented a new Improvement in Obtaining Oyster-Spat; and I do hereby declare the following, when taken in connection with accompanying drawings and the letters of reference marked thereon, to be a full, clear, and exact description of the same, and which said drawings constitute part of this specification, and represent, in-
Figure 1, a section through the water, showing the submerged surface in a vertical position; Fig. 2, a series of such vertical surfaces. Fig. 3 represents the submerged surface in a position lying upon the ground.
This invention relates to an improvement in obtaining the spat of oysters and retaining it in the desired position for setting.
In the more general practice for accomplishing this object oyster-shells are planted-that is, the shells are thrown into the water and distributed over the surface of the bottom to catch the spat, and upon which they will set. In setting, the young oysters are so firmly attached to the shells that they are required to be broken from the shells, because if left to grow in that condition they are so numerous that in their growth they so interfere with each other as to cause the shells to grow in undesirable shapes. the oysters, they are taken up at the proper time, the sets separated, and returned to grow; but in separating or breaking the sets from the shells very many are lost, and the operation is an expensive one, because they are necessarily taken up in small quantities. Again, the spat float in the water, more or less settling upon the shells at the bottom; but large quantities are unavoidably carried off by the tide.
The object of my invention is to obtain and secure the spat, and so that the sets may be readily removed from the surface upon which they are made in a more expeditious manner and without the loss which has hitherto accompanied this branch of oyster-raising; and the invention consists in a surface coated with an adhesive material-that is to say, a material which will adhere to the surface, but yet which is of a soft or plastic character-which To avoid this crowding of is not affected by the water-as pitch-arranged beneath the surface of the water, so as to catch the spat, and so that the sets form on this coated surface and are readily removed V without danger of destroying the sets.
In the best means for carrying out my invention I employ a flexible material, preferring cloth of some charm-tor, which I support in substantially a vertical position below the surface of the water, as shown in the acco1npanying drawings. by driving a stake, as a, at one point and a second stake, b, at another and straining the cloth, d, between the two stakes; or a frame of any suitable character may be arranged to support the flexible material. One or both surfaces of this flexible material I coat with a suitable preferably strong-adhesive material--such as pitch; or any suitable coating which will not be affected by the water may be applied. It will be understood that this coating is to be applied before the flexible mate rial is submerged.
I prefer to arrange a series of these coated surfaces, as indicated in Fig. 2, a short distance from each other upon the oystergrounds. The spat floating in the water come in contact with the coated surface of the flexible material, and, lodging there, the sets form,
and when the proper time for removal arrivesthe flexible material is taken bodily from the water, and because of the nature of the coated material the sets are easily scraped from the This may be supportedsurface and dislodged without danger of breakage or destruction. Then the flexible material may be retained for another season and reset.
The ready separation between the sets and the coated surface is due to the fact that the coated surface is very much softer than the shell of the sets-that is to say, the coating detaches from its surface with the shell and without danger of breaking the shell, which breakage necessarily results to a great extent when the shells are set upon a hard surface, and which does not give way inthe removing of the shell.
The coated surface is not of necessity a flexible surface. It may be made from boards face the same as on the flexible material; but I prefer flexible material because of more convenient handling and separation of the sets, as the flexible material may be more readily taken into the boat than boards of the same size could be.
\Vhile I prefer to arrange the coated surface in substantially a vertical position, as I have deseribedfirst, because the surface will be undisturbed by the Washing of mud or sand thereon, and, second, because it permits a greater amount of surface on the same groundspace than could be were the coated space lying on the bottom yet' the coated surface maybe placed flat upon the bottom of the oyster-grounds, so that the sets will settle thereon, as seen in Fig. 3, 0 representing the horizontal coated surface on the ground, it being retained in position bysuitable stakes, f.
I believe from practical experience that pitch is the best material for coating the surface; butany suitable material which will not detrinientally affect the spat and will yet readily yield for the separation of the sets therefrom may be employed.
I make no claim in this application for the apparatus, as that will constitute the subject of an independent application.
I claim The herein-described method for obtaining oysterspat, consisting in snbnierging and securing upon the 0yster gronnds a surface coated with a soft plastic like material which adheres to the said surface, the said coating forming the surface upon which the sets may 5 form, substantially as described.
OLIVER B. BEACH. \Vitnesses:
JOHN E. EARLE, FRED O. EARLE.
Publications (1)
Publication Number | Publication Date |
---|---|
US385161A true US385161A (en) | 1888-06-26 |
Family
ID=2454145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US385161D Expired - Lifetime US385161A (en) | Obtaining oyster-spat |
Country Status (1)
Country | Link |
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US (1) | US385161A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2922393A (en) * | 1957-01-31 | 1960-01-26 | Otto J Munz | Sea farming |
US3017856A (en) * | 1957-01-31 | 1962-01-23 | Munz Otto John | Sea farming |
US3638615A (en) * | 1970-06-01 | 1972-02-01 | Pacific Mariculture | Method of growing oysters |
US3779209A (en) * | 1970-06-01 | 1973-12-18 | Pacific Mariculture | Oyster growing apparatus and method |
US4844015A (en) * | 1987-11-18 | 1989-07-04 | University Of Delaware | Artificial oyster cultch |
US5443682A (en) * | 1993-06-18 | 1995-08-22 | Fisheries Resource Development (1988) Limited | Securing objects such as scallops to a backing material |
US20030177983A1 (en) * | 2000-05-22 | 2003-09-25 | Bjorn Aspoy | Device for harvesting of and tending to shells and for cleaning of an associated shell collector in water |
-
0
- US US385161D patent/US385161A/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2922393A (en) * | 1957-01-31 | 1960-01-26 | Otto J Munz | Sea farming |
US3017856A (en) * | 1957-01-31 | 1962-01-23 | Munz Otto John | Sea farming |
US3638615A (en) * | 1970-06-01 | 1972-02-01 | Pacific Mariculture | Method of growing oysters |
US3779209A (en) * | 1970-06-01 | 1973-12-18 | Pacific Mariculture | Oyster growing apparatus and method |
US4844015A (en) * | 1987-11-18 | 1989-07-04 | University Of Delaware | Artificial oyster cultch |
US5443682A (en) * | 1993-06-18 | 1995-08-22 | Fisheries Resource Development (1988) Limited | Securing objects such as scallops to a backing material |
US20030177983A1 (en) * | 2000-05-22 | 2003-09-25 | Bjorn Aspoy | Device for harvesting of and tending to shells and for cleaning of an associated shell collector in water |
US6837183B2 (en) * | 2000-05-22 | 2005-01-04 | Aspoey Bjoern | Device for harvesting of and tending to shells and for cleaning of an associated shell collector in water |
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