JPS6173057A - Discriminating instrument of pearl - Google Patents
Discriminating instrument of pearlInfo
- Publication number
- JPS6173057A JPS6173057A JP59196085A JP19608584A JPS6173057A JP S6173057 A JPS6173057 A JP S6173057A JP 59196085 A JP59196085 A JP 59196085A JP 19608584 A JP19608584 A JP 19608584A JP S6173057 A JPS6173057 A JP S6173057A
- Authority
- JP
- Japan
- Prior art keywords
- pearl
- artificial
- floor part
- pearls
- case
- 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.)
- Pending
Links
- 239000011049 pearl Substances 0.000 claims abstract description 69
- 238000005259 measurement Methods 0.000 claims description 11
- 239000011050 natural pearl Substances 0.000 abstract description 4
- 239000010984 cultured pearl Substances 0.000 abstract description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 1
- 239000002985 plastic film Substances 0.000 description 6
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000004434 Calcinosis Diseases 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007773 growth pattern Effects 0.000 description 2
- UYTPUPDQBNUYGX-UHFFFAOYSA-N guanine Chemical compound O=C1NC(N)=NC2=C1N=CN2 UYTPUPDQBNUYGX-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241000237852 Mollusca Species 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/389—Precious stones; Pearls
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automation & Control Theory (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、天然及び養殖真珠（以下、真珠と略称する）
と人造真珠とを滑り抵抗の差で判別する真珠の鑑別用具
に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to natural and cultured pearls (hereinafter abbreviated as pearls).
This invention relates to a pearl identification tool that distinguishes between pearls and artificial pearls based on the difference in slip resistance.
（従来の技術及びその問題点）
真珠は生物性宝石として現在はその殆どが養殖で生産さ
れている。真珠を人工的に生産する人造真珠造りも科学
技術の進展により飛躍的に進歩している。従って昨今の
人造真珠は、昔日の模造品と異なり宝石業者でも肉眼や
ルーペでは容易に識別出来ないものが多くなっている。(Prior art and its problems) Pearls are biological gemstones, and most of them are currently produced by culturing. Artificial pearl manufacturing, which produces pearls artificially, has also progressed dramatically due to advances in science and technology. Therefore, unlike the imitations of the past, many of today's artificial pearls cannot be easily identified even by jewelers with the naked eye or with a magnifying glass.
真珠と人造真珠とを肉眼で見た場合、その形状と外観は
全く同一に見えるが、その表面組成は生成過程の違いに
より次の通り異質である。即ち、真珠の表面は生物であ
る貝が造ったものである。When pearls and artificial pearls are viewed with the naked eye, their shapes and appearances appear to be exactly the same, but their surface compositions are different due to differences in the production process as described below. In other words, the surface of a pearl is made by a living mollusc.
真珠表面の真珠層は、貝の生体内で起こるカルシウムの
沈着により石灰化したものである。従ってその表面は、
カルシウムが沈着し石灰化した跡が指紋のように成長模
様となっており、結晶粒の凸凹がある。The nacre layer on the surface of a pearl is calcified by calcium deposition that occurs within the shellfish's body. Therefore, its surface is
The traces of calcium deposits and calcification form a fingerprint-like growth pattern, with uneven crystal grains.
人造真珠は、ガラス、プラスティック、貝殻等で造った
原玉に魚鱗等から得られたグアニン等を材料とする真珠
層や螢光物質を塗装する方法や、塗装と金属蒸着を併用
する方法、樹脂薄膜による表面加工方法、その他の方法
によって製造されるものであり、従って人造真珠の表面
は、真珠の真珠層に見られるような成長模様や結晶粒の
凸凹はなく、極めて平滑である。Artificial pearls can be produced by coating original pearls made of glass, plastic, shells, etc. with mother-of-pearl or fluorescent substances made from guanine obtained from fish scales, by using a combination of coating and metal vapor deposition, or by using resin. The surface of artificial pearls is manufactured by a thin film surface processing method or other methods, and therefore the surface of artificial pearls is extremely smooth, without the growth pattern or unevenness of crystal grains seen in the nacre layer of pearls.
真珠鑑別の基本は上記の真珠表面を観察することである
。専門の鑑別機関等であれば、各種の光学機器や顕微鏡
によって前記の表面構造の違いは容易に判別することが
出来る。しかし、鑑別設備や専門知識のない一般業者は
、益々伯仲する真珠と人造真珠の外観に困惑しており、
金融や質店等の業界も含め、安価で手軽に使用すること
が出来、しかも正確に鑑別することの出来る鑑別手段が
求められている。The basis of pearl identification is to observe the surface of the pearl mentioned above. A specialized identification organization can easily distinguish the above-mentioned differences in surface structure using various optical instruments and microscopes. However, ordinary traders without identification equipment or specialized knowledge are confused by the appearance of pearls and artificial pearls, which are increasingly similar to each other.
In industries such as finance and pawnshops, there is a need for an identification method that is inexpensive, easy to use, and can accurately identify objects.
（問題点を解決するための手段）
本発明は、上記のような従来の問題点を解決することの
出来る鑑別用具を提供するものであって、その特徴は、
柔軟で弾性を有する適当厚さの床部を備え、この床部の
表面に、真珠の表面に対する密着性が人造真珠の表面に
対する密着性よりも低い、柔軟な滑り抵抗測定面を設け
た点にある。(Means for Solving the Problems) The present invention provides an identification tool that can solve the conventional problems as described above, and has the following characteristics:
It is equipped with a flexible and elastic floor part of an appropriate thickness, and a flexible slip resistance measurement surface is provided on the surface of this floor part, which has lower adhesion to the surface of the pearl than the adhesion to the surface of the artificial pearl. be.
（作 用）
上記の本発明鑑別用具に於いては、滑り抵抗測定面に対
して真珠又は人造真珠を柔軟な床部の弾性に抗して押し
つけると、柔軟な前記滑り抵抗測定面が真珠又は人造真
珠の表面にそって変形し、見掛は上、面接触することに
なる。この押しつけ状態のままで真珠又は人造真珠を滑
らせるように横向きに力を加えたとき、表面がミクロ的
に見ても平滑な人造真珠は前記滑り抵抗測定面と比較的
強固に密着し、殆ど横滑りが生じないのに対し、ミクロ
的に見て表面が凸凹粗面の真珠は滑り抵抗が小さいので
容易に横滑りすることになる。この横滑りの難易から真
珠であるか人造真珠であるかを判別することが出来る。(Function) In the identification tool of the present invention described above, when a pearl or an artificial pearl is pressed against the slip resistance measurement surface against the elasticity of the flexible floor, the flexible slip resistance measurement surface It deforms along the surface of the artificial pearl, and appears to be in surface contact. When force is applied sideways to make the pearl or artificial pearl slide while in this pressed state, the artificial pearl, which has a smooth surface even when viewed microscopically, adheres relatively firmly to the sliding resistance measurement surface, and almost On the other hand, pearls with rough, uneven surfaces have less slipping resistance when viewed microscopically, so they easily slide sideways. It is possible to determine whether a pearl is a pearl or an artificial pearl based on the difficulty of this sideways sliding.
（実施例）
以下に本発明の一実施例を添付の例示図に基づいて説明
する。(Example) An example of the present invention will be described below based on the attached illustrative drawings.
１は本発明の鑑別用具であって、衣服のポケットに入る
手帳程の大きさに構成されており、床部２、この床部２
の表面に形成された滑り抵抗測定面３、及びカバーシー
ト４を備えている。前記床部２は、厚さ５關程度の軟質
ウレタンフオームから成るマット５を柔軟なプラスティ
ックシート６で包み込んだものであり、このプラスティ
ックシート６の一部を延長させて、前記カバーシート４
と、このカバーシート４の遊端を挟み込むための返し部
７とが形成されている。前記滑り抵抗測定面３は、真珠
の表面に対する密着性が人造真珠の表面に対する密着性
よりも低い、柔軟な薄い光沢のある塩化ビニールシート
８から構成されており、前記床部２の表面上に貼付され
ている。Reference numeral 1 denotes an identification tool of the present invention, which has a size similar to that of a notebook that can fit into a clothes pocket.
It is equipped with a slip resistance measurement surface 3 formed on the surface of and a cover sheet 4. The floor portion 2 is made by wrapping a mat 5 made of soft urethane foam with a thickness of about 5 mm in a flexible plastic sheet 6. A part of the plastic sheet 6 is extended to form the cover sheet 4.
and a return portion 7 for sandwiching the free end of the cover sheet 4. The slip resistance measurement surface 3 is composed of a flexible, thin, glossy vinyl chloride sheet 8 whose adhesion to the surface of pearls is lower than that to the surface of artificial pearls, and is It is affixed.
使用方法は簡単であり、第３図に示すように鑑別しよう
とする真珠又は人造真珠（以下真珠等と略称する）９を
滑り抵抗測定面３の上から床部２に押しつける。この結
果、床部２とその上の塩化ビニールシート８とがその内
部のマット５の弾性に抗して真珠等９の表面にそうよう
に変形し、真珠等９の表面に対し滑り抵抗測定面３が見
掛は上、面接触することになる。The method of use is simple; as shown in FIG. 3, a pearl or artificial pearl (hereinafter abbreviated as pearl, etc.) 9 to be identified is pressed onto the floor 2 from above the slip resistance measuring surface 3. As a result, the floor part 2 and the vinyl chloride sheet 8 on it are deformed against the elasticity of the mat 5 inside the floor part 2, and the surface of the pearl etc. 9 is deformed to the surface of the pearl etc. 3 looks good, and there will be surface contact.
係る状態のままで真珠等９を横滑りさせるべく横向きに
力を加えると、真珠等９が、表面がミクロ的に見ても平
滑な人造真珠であるときは、前記滑り抵抗測定面３を形
成する塩化ビニールシート８の表面に対して比較的強固
に密着しているので殆ど横滑りが生じないのに対し、ミ
クロ的に見て表面が凸凹粗面の真珠であるときは、前記
塩化ビニールシート８の表面に対してミクロ的に見て面
接触しないので滑り抵抗が小さく、容易に横滑りするこ
とになる。従って真珠等９が容易に横滑りした場合は、
当該真珠等９は天然又は養殖真珠であると判断すること
が出来、真珠等９が殆ど横滑りしないときは、当該真珠
等９は人造真珠であると判断することが出来る。When a force is applied sideways to cause the pearl, etc. 9 to slide in such a state, if the pearl, etc. 9 is an artificial pearl whose surface is smooth even when viewed microscopically, the slip resistance measurement surface 3 is formed. Since it adheres relatively firmly to the surface of the vinyl chloride sheet 8, there is almost no skidding, but when viewed microscopically, the surface is a pearl with unevenness. Since there is no microscopic surface contact with the surface, the slip resistance is low and it is easy to skid. Therefore, if the pearl etc. 9 easily skids,
It can be determined that the pearl, etc. 9 is a natural or cultured pearl, and when the pearl, etc. 9 hardly skids, it can be determined that the pearl, etc. 9 is an artificial pearl.
尚、床部２は、プラスティックシートで形成した偏平な
袋状マット内に空気を封入して構成することも出来る。Note that the floor portion 2 can also be constructed by enclosing air in a flat bag-shaped mat formed of a plastic sheet.
又、実施例に示すように柔軟な弾性マット５を内装する
場合でも、そのマット５は軟質ウレタンフオームに限定
されない。更に、このような柔軟な弾性マットのみから
床部２を形成し、包装するプラスティックシート６を省
いても良い。この場合、弾性マットの材質が適合すると
きは、そのマット表面を滑り抵抗測定面３に兼用するこ
とも可能である。勿論、前記実施例に於いても、プラス
ティックシート６の材質が適合するときは、当該プラス
チインクシートの表面を滑り抵抗測定面３に兼用させる
ことが出来る。又、滑り抵抗測定面３を形成する材料は
、塩化ビニールシート８に限定されない。Further, even when a flexible elastic mat 5 is installed inside as shown in the embodiment, the mat 5 is not limited to soft urethane foam. Furthermore, the floor portion 2 may be formed only from such a flexible elastic mat, and the plastic sheet 6 for wrapping may be omitted. In this case, if the material of the elastic mat is suitable, the surface of the mat can also be used as the slip resistance measuring surface 3. Of course, even in the embodiment described above, if the material of the plastic sheet 6 is suitable, the surface of the plastic ink sheet can also be used as the surface 3 for measuring slip resistance. Furthermore, the material forming the slip resistance measurement surface 3 is not limited to the vinyl chloride sheet 8.
（発明の効果）
上記実施例のように本発明の真珠鑑別用具を使用すれば
、老若性別を問わず真珠に関する鑑別知識がなくとも、
床部の滑り抵抗測定面上で鑑別すべき真珠を押しつげて
滑らせるだけのワンタッチ操作で、その真珠が天然又は
養殖真珠か若しくは人造真珠であるかを容易に且つ正確
に判別することが出来る。又、小型軽量な手帳サイズの
用具として実施し安価に提供することが出来る。(Effects of the Invention) If the pearl identification tool of the present invention is used as in the above embodiment, regardless of age or gender, even if there is no identification knowledge regarding pearls,
With a one-touch operation of simply pushing and sliding the pearl to be identified on the slip resistance measurement surface on the floor, it is possible to easily and accurately determine whether the pearl is natural, cultured, or artificial. . Moreover, it can be implemented as a small and lightweight notebook-sized tool and provided at low cost.
第１図は斜視図、第２図は縦断面図、第３図は使用状態
を示す要部の縦断面図である。
１・・・本発明の鑑別用具、２・・・床部、３・・・滑
り抵抗測定面、４・・・カバーシート、５・・・軟質ウ
レタンフオーム、６・・・プラスティックシート、８・
・・塩化ビニールシート、９・・・真珠又は人造真珠。FIG. 1 is a perspective view, FIG. 2 is a longitudinal cross-sectional view, and FIG. 3 is a longitudinal cross-sectional view of main parts showing the state of use. DESCRIPTION OF SYMBOLS 1... Identification tool of the present invention, 2... Floor, 3... Slip resistance measurement surface, 4... Cover sheet, 5... Soft urethane foam, 6... Plastic sheet, 8...
... Vinyl chloride sheet, 9... Pearl or artificial pearl.
Claims (1)
表面に、真珠の表面に対する密着性が人造真珠の表面に
対する密着性よりも低い、柔軟な滑り抵抗測定面を設け
て成る真珠の鑑別用具。A pearl comprising a flexible and elastic floor part of an appropriate thickness, and a flexible slip resistance measurement surface provided on the surface of the floor part, the adhesion of which is lower than that of artificial pearls. Identification tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59196085A JPS6173057A (en) | 1984-09-19 | 1984-09-19 | Discriminating instrument of pearl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59196085A JPS6173057A (en) | 1984-09-19 | 1984-09-19 | Discriminating instrument of pearl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6173057A true JPS6173057A (en) | 1986-04-15 |
Family
ID=16351956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59196085A Pending JPS6173057A (en) | 1984-09-19 | 1984-09-19 | Discriminating instrument of pearl |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6173057A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07194417A (en) * | 1994-01-07 | 1995-08-01 | Shinjiyu Kagaku Kenkyusho:Kk | Imitation pearl discriminator |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5019067A (en) * | 1972-08-16 | 1975-02-28 | ||
| JPS5910851A (en) * | 1982-07-09 | 1984-01-20 | Toshiba Corp | Method for detecting chill |
-
1984
- 1984-09-19 JP JP59196085A patent/JPS6173057A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5019067A (en) * | 1972-08-16 | 1975-02-28 | ||
| JPS5910851A (en) * | 1982-07-09 | 1984-01-20 | Toshiba Corp | Method for detecting chill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07194417A (en) * | 1994-01-07 | 1995-08-01 | Shinjiyu Kagaku Kenkyusho:Kk | Imitation pearl discriminator |
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