JP2020089519A - Folded chopsticks using grain powder as raw material and western tableware - Google Patents
Folded chopsticks using grain powder as raw material and western tableware Download PDFInfo
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- Table Equipment (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
Description
穀物の粉末を圧力成形し、バイオポリマー（生分解稙ポリ乳酸等）コーティング加工による箸としての機能性と、結合面にスリット加工を施し穀物原料を露出させた自然分解性を備えた地球に優しい使い捨て箸に係る。 Grain powder is pressure-molded, biopolymer (biodegradable polylactic acid, etc.) coating process is used as chopsticks, and slits are applied to the bonding surface to expose the grain raw material, which is naturally degradable. Related to disposable chopsticks.
この種の箸としては、生分解性物質によって成型し、エチルセルロースをエタノールに溶解してコーティング溶液を噴射ノズルにて全面コーティング形成した自然分解性箸類（特許文献１）葛粉又は葛粉と他の天然粉末、分解性プラスチック等を混合にて成る材料に水分を加え粘土状態形成後、箸成形用型による圧力固化し乾燥で強度を付与した割り箸（ 特許文献２） As this kind of chopsticks, natural degradable chopsticks (patent document 1) kudzu powder or kudzu powder and other natural products formed by molding with a biodegradable substance, dissolving ethyl cellulose in ethanol and coating the coating solution with the spray nozzle Water splitting chopsticks are made by adding water to a material made by mixing powder, degradable plastic, etc. to form a clay state, then pressure solidifying by a chopstick molding die and imparting strength by drying (Patent Document 2).
前記特許文献1 は全面コーティング溶液を噴射する為による使用強度はあるが、使用後に箸を折って廃棄した場合は主原料の露出面が少なく自然分解スピードが遅く自然分解時間を要し、折り忘れが残り易い。特許文献２に開示の箸は粘土状体の受型圧力成形後の乾燥処理箸であり工程時間及び使用時での水分対応等、箸としての機能的、問題、課題がある。 Although Patent Document 1 has strength in use due to spraying the entire surface coating solution, when the chopsticks are folded and discarded after use, the exposed surface of the main raw material is small and the natural decomposition speed is slow and natural decomposition time is required. Is easy to remain. The chopsticks disclosed in Patent Document 2 are dry-processed chopsticks after receiving pressure molding of a clay-like body, and have functional, problematic, and problems as chopsticks, such as handling process time and moisture during use.
（１）本発明の折箸は、穀物の粉末を原料に用いて成形され、箸の長さ方向に全長の６０%以上となるように形成したスリットと、持ち代側に成形した結合部と、前記結合部に箸の長さ方向に沿って形成したホールを含む箸本体と、前記箸本体の全体を被覆するバイオポリマーコーティング層を備えた折箸であって、前記結合部を折って分離し、一対の箸にしたとき前記穀物で成形した部分が露出する事で自然分解性を有することを特徴とする。
（２）本発明の洋食器具は、穀物の粉末を原料に用いて成形され、長さ方向に全長の６０%以上となるように形成したスリットと、持ち代側に形成した結合部と、前記結合部に長さ方向に沿って形成したホールを含む洋食器具（スプーン、フォーク、ナイフ）本体と、前記食器具本体の全体を被覆するバイオポリマーコーティング層を備えた洋食器具であって、前記結合部を折って分離し一対の洋食器具にしたときに、前記穀物で成形した部分が露出することで自然分解性を有することを特徴とする。
(1) The origami chopsticks of the present invention are formed by using grain powder as a raw material, and a slit formed so as to be 60% or more of the total length in the length direction of the chopsticks, and a joint formed on the holding allowance side. A folding chopstick including a chopstick body including a hole formed along the lengthwise direction of the chopstick in the connecting portion, and a biopolymer coating layer covering the entire chopstick body, the folding portion being separated by folding the connecting portion. However, when a pair of chopsticks is used, the portion formed by the grain is exposed so that it has natural degradability.
(2) The western food utensil of the present invention is formed by using grain powder as a raw material and has a slit formed so as to be 60% or more of the entire length in the length direction, a joint portion formed on the holding side, and A western food utensil comprising a body of a Western-style food utensil (spoon, fork, knife) including a hole formed along a length direction at a joint portion, and a biopolymer coating layer for covering the whole of the main body of the food utensil. When the portions are folded and separated to form a pair of Western food utensils, the portions formed by the grain are exposed to have natural degradability.
・ 本箸は、折箸形状デザインにて結合面での貫通ホール加工、突起の付いた成形型圧力加工のより折り易く、折損がなく使用時には折面の断面に主原料が多く露出する為、直接水分やバクテリア等の吸収力が多く上がり、全体コーティング加工に比べ、廃棄時での自然分解、自然回帰スピードが早まり無理のない良質な土壌化に貢献できる。
・ 本折箸は、箸先、使い代部が全体バイオポリマーコーティング加工する為、湿気に強くカビ防止等、長期保存性に優れ、使用時では箸としての耐水性（汁の浸み込み等）、強度性（弾力、硬度等）、触感性（舌触り、歯あたり等）の機能性はもとより、穀物原料の為、様々なアレルギー対応も充分可能である。本折箸デザインは、従来の割り箸類と比べ折損が少なく、折って使う事で必ず持ち代部にだけ主原料が露出する材料、加工、デザイン等により時代対応力，市場対応力を有する。
・ 本折箸は、持ち代部の折面は主原料の穀物粉末が露出する為、バイオポリマーコーティングしている部分と比べ溶解が早く内側と外側両面から廃棄時での全体分解、自然回帰時間を早める。
・ 本折箸は主原料が穀物粉末（米粉、小麦粉、トウモロコシ粉等）である為、主原料の入手、確保が手軽であり従来の割り箸の主流である原料は木材、竹等や、プラスチック材料に比べ、森林保護、大気汚染、Co２対応等、国際的、社会的貢献を有する。
・ 本折箸は、特に主原料の米粉は日本国内での古米の再利用、備蓄米の在庫再利用等、国や生産者の新しいビジネス、可能性が生まれる。
-This chopsticks has a folding chopstick shape design that makes it easier to fold through through-hole processing on the joining surface and forming die pressure processing with protrusions.Because there is no breakage, a large amount of the main raw material is exposed on the cross section of the folding surface. The ability to absorb moisture and bacteria directly increases, and it contributes to the natural decomposition at the time of disposal and the natural return speed is accelerated compared to the whole coating process, and the formation of reasonably-quality soil.
・The entire tip of the chopsticks is coated with biopolymer coating, so it is highly resistant to moisture and has excellent long-term storability such as mold resistance. When used, it is water resistant as chopsticks (soaked with juice, etc.) In addition to functionality such as strength (elasticity, hardness, etc.) and tactile sensation (feeling of the tongue, contact with teeth, etc.), since it is a grain raw material, various allergies can be sufficiently dealt with. This folding chopsticks design is less likely to break than conventional disposable chopsticks, and when folded and used, the main raw materials are always exposed only in the margin area.
・Since the grain powder of the main raw material is exposed on the folding surface of the holding part of this folding chopsticks, it dissolves faster than the part coated with biopolymer and the entire decomposition from the inside and the outside at the time of disposal, the natural return time Speed up.
・Since the main raw material of this folding chopsticks is grain powder (rice flour, wheat flour, corn flour, etc.), it is easy to obtain and secure the main raw material, and the mainstream raw materials of conventional disposable chopsticks are wood, bamboo, and plastic materials. Compared to the above, it has international and social contributions such as forest protection, air pollution, and CO2 compliance.
・ With this origami chopsticks, especially rice flour, which is the main raw material, can recycle old rice in Japan, reuse inventory of stockpiled rice, and create new business and possibilities for the country and producers.
本折箸は、穀物粉末の一体成形し、使用面に箸先、使い代部の箸全長の60%以上のスリットを入れ、残りの持ち代部の折面（結合面）は、0，3 ミリ〜0，5ミリの貫通ホール加工や突起の付いた成形型に圧力を加え加工した本体にバイオポリマーコーティング加工を加える。
主原料穀物粉を圧力固成形型（１）し、全体のバイオポリマーコーティング加工（２）、スリット（３）による機能性と、結合面（折面）のホール（４）の加工は折った時、結合面の穀物原料が露出し廃棄時での自然分解力が上がる構造である。
This folding chopstick is made by integrally molding grain powder, and a chopstick tip and a slit of 60% or more of the total length of the chopstick at the use portion are put on the use surface, and the rest surface of the holding portion (joint surface) is 0, 3 Processing of a through hole of mm to 0.5 mm and pressure applied to a mold with protrusions and biopolymer coating are applied to the machined body.
When the main raw material flour is pressure-solidified (1), the entire biopolymer coating process (2), the functionality by the slit (3) and the process of the hole (4) on the joint surface (fold surface) are broken. The grain material on the bonding surface is exposed, and the natural decomposition power at the time of disposal is increased.
添付の図面を参照し本折箸の詳細を説明すると、以下のとおりである。図１ は一例として示す穀物の粉末を原材料とした折箸の全体図１−１、及び全体断面図１−２であり、図２はスリット面と結合面の断面であり、図３は結合面を折り離し時での折る際の接合面での変化図であり、図４は結合面での折りやすさとし自然分解力を維持する為のホール自体の形状バリエーション図、図５は全体圧縮型成形加工方式であり、図６はホールの形状に加え結合面の面積を広げた箸としての変形図である。 The details of the present folding chopsticks will be described below with reference to the accompanying drawings. FIG. 1 is an overall view 1-1 and an overall cross-sectional view 1-2 of origami chopsticks made from grain powder as an example, FIG. 2 is a cross section of a slit face and a joining face, and FIG. 3 is a joining face. Fig. 4 is a diagram showing changes in the joint surface when the sheets are separated from each other, Fig. 4 is a variation diagram of the shape of the hole itself for maintaining the ease of folding and the natural decomposition force on the joint surface, and Fig. 5 is the overall compression molding This is a processing method, and FIG. 6 is a modified view of a chopstick in which the area of the coupling surface is expanded in addition to the shape of the hole.
図面１は全体が穀物粉末100%（１）を主原料として、水分調整粉化後、圧力成形、固形化により硬度を図り、スリット加工（３）と結合面のホール加工（４） 後、全体の表面にバイオポリーマー（生分解稙脂ポリ乳酸等）でコーティング処理（２）する。 Drawing 1 is made from 100% grain powder (1) as the main raw material, and after the moisture adjustment powdering, the hardness is achieved by pressure molding and solidification, and after slit processing (3) and hole processing of the connecting surface (4), the whole The surface of the is coated with a biopolymer (biodegradable fermented polylactic acid, etc.) (2).
図２は、２―１面、２―２面は、スリット部分を含め、全体にバイオポリマーコーティングされ、使用時での折れ難さ、弾力性、耐水性、触感等の機能性を持ち２−２断面はホールの貫通部分には、コーティングされず、結合面が折れ、切り離し後はホール内面（４）が植物粉末の主原料が露出する為、水分、バクテリア等、廃棄時に於いて自然分解スピードが上がり自然回帰時間の短縮と良質な土壌化が図れる。 Fig. 2 shows that the 2-1 side and the 2-2 side are all coated with biopolymer, including the slits, and have functionality such as resistance to breakage during use, elasticity, water resistance, and touch. In the 2 cross section, the hole penetration part is not coated, the bonding surface is broken, and the main surface of the plant powder is exposed on the inner surface (4) of the hole after separation, so the natural decomposition speed at the time of disposal such as moisture, bacteria, etc. As a result, the natural return time can be shortened and good soil quality can be achieved.
結合面は上部からの圧力をかける事でホール貫通部の図３−１（４−１）部が切り離され次に下部から圧力をかけ３−２（４−２）部が切り離され完全に２ 本の箸３−３となる。此の切り離し方法により、従来の割り箸を割るときに起きる折り難さや、折りミス等の不安，不感が無くなる。 3-1 (4-1) part of the hole penetrating part is cut off by applying pressure from the upper part, and then 3-2 (4-2) part is cut off by applying pressure from the lower part and the connecting surface is completely removed. It becomes the chopsticks 3-3. This separation method eliminates the difficulty of folding and the anxiety and insensitivity of folding mistakes that occur when breaking conventional chopsticks.
本箸のホール部分は、使用面（１）にスリット（３）を入れ、結合面（２）にホールを入れることにより結合部の面が切り離し易くなり、切り離し時は結合面の断面に主原料が露出する事がポイントである。丸ホール型や図４−１角ホール、４−２丸ホール連結型、４−３角ホール連結型等様々なホール形状が出来る。各ホールは、箸先から使い代に入るスリット（３）と結合面での各タイプ型に限らず、スリットとホール、ホールと箸頭部は必ずホールで繋ぐ。此のことにより、折損がなく切り離し易くなる。
In the hole part of the chopsticks, the slit (3) is put on the use surface (1) and the hole is put on the joining surface (2) so that the face of the joining part can be easily separated. The point is that is exposed. Various hole shapes such as a round hole type, a square hole shown in FIG. 4-1, a round hole connected type 4-2, and a square hole connected type 4-3 are possible. Each hole is not limited to a slit (3) that can be used from the tip of the chopsticks and each type of connecting surface, but the slit and the hole, and the hole and the chopstick head are always connected by the hole. This makes it easy to separate without breaking.
基本的には、主原料成形後に結合部へのホール加工（図４）が基本だが、よりコスト面を重視した、大量生産型対応としては主原料成形、同時ホール加工（図５） で、主原料の圧力成形時に突起付き両面圧縮（5− １）は圧縮面に使用部のスリット突起型（3）と結合部の主原料（1）を両面突起ホール（４）で圧縮力をかける。結合面のホールは貫通せず主原料を残す。突起付き片面圧縮（5−2）は圧縮面に使用部スリット突起型（３）と結合部の主原料（1）を片面突起型（４）で圧縮を加える。貫通スリット部とホール部は両部共貫通させる。５−１成形加工は、折った時に結合面での主原料の露出面が大きく残る。５−２成形加工は、成形後の工法よりホール部分の内圧とコーティング液との圧力差により、コーティング液の流入を抑えられ主原料の露出面が確保できる。 Basically, after the main raw material is formed, hole processing is performed on the joint (Fig. 4), but for the mass production type, the main material forming and simultaneous hole processing (Fig. 5) are more important for cost reduction. During pressure molding of the raw material, in the double-sided compression with protrusions (5-1), the compression force is applied to the slit protrusion mold (3) of the used portion and the main raw material (1) of the joint portion by the double-sided protrusion holes (4). The holes on the bonding surface do not penetrate, leaving the main raw material. In single-sided compression with protrusions (5-2), compression is applied to the compression surface using the single-sided protrusion mold (3) and the main raw material (1) for the joint. Both the through slit portion and the hole portion are penetrated. In the 5-1 molding process, the exposed surface of the main raw material on the bonding surface remains largely when folded. In the 5-2 molding process, the inflow of the coating liquid can be suppressed and the exposed surface of the main raw material can be secured due to the pressure difference between the internal pressure in the hole portion and the coating liquid than in the method after molding.
図６は６−１ 角広型６−２ 角広変形型６−３楕円型。使用部に対し結合部の面積を大きくとる形状に変え事で、折り時に微力でより折り易く出来るデザイン。主原料（1） を成形加工し、バイオポリマーコーティングスリット（３）と、バイオポリマーコーティング結合面（２）にホール（４）を加工する。バイオポリマーコーティング加工の強度、精度、触感等を考慮する為、各部位の縁を鋭角ではなく、滑らかさを出す曲角に処理する。 FIG. 6 shows 6-1 wide-angle type 6-2 wide-angle modified type 6-3 elliptical type. By changing the shape so that the area of the connecting part is larger than the used part, it is a design that makes it easier to fold with a small force when folding. The main raw material (1) is molded and processed, and the biopolymer coating slit (3) and the hole (4) are processed in the biopolymer coating bonding surface (2). In order to consider the strength, precision, and tactile feel of the biopolymer coating process, the edges of each part are processed to have a curved angle that produces smoothness instead of an acute angle.
図７の７−１は主原料（１）を成形加工し、全体バイオポリマーコーティング（２）しスリット（３）を入れ、結合面にホール加工（４）した同デザイン、同機能を持つ２体１対型使い捨て洋食器具（ スプーン、フォーク、ナイフ） 。世界の食文化の30%は洋食器文化圏（箸食器具文化圏30%であり残り40%は手食器文化圏。）であり、現代のライフスタイルの多様化時代で、テイクアウト、パーティー、アウトドア―シーンでの使い捨て需要、市場に対応。 7-1 in FIG. 7 is a main body (1) molded and processed, a whole biopolymer coating (2), a slit (3) is inserted, and a hole is processed (4) on the bonding surface. One-pair disposable western food utensils (spoon, fork, knife). 30% of the world's food culture is in the Western tableware culture area (30% is the chopstick eating utensil culture area, and the remaining 40% is the handware tableware culture area), and in the era of modern lifestyle diversification, takeaways, parties, and outdoors. -Responding to the disposable demand in the scene and the market.
上記同様、７−２は主原料（１）を成型加工し、バイオポリマースリット（３）、バイオポリマー結合面にホール加工（４）した、同一機能の２対１体型使い捨て洋食器具（スプーン、フォーク、ナイフ）に対し、別機能２体１対使い捨て洋食器具（フォーク＋ナイフ、フォーク＋スプーン）。
７−３は切り離し時の、全体バイオポリマーコーティング（２）に対し結合面でのホール加工部（４）と、主原料露出部（１）の断面。
Similarly to the above, 7-2 is a main raw material (1) molded and processed, a biopolymer slit (3), a hole processing (4) on the biopolymer bonding surface, a 2 to 1 body type disposable western food instrument (spoon, fork) of the same function , A knife), a different function, two bodies, one pair, disposable Western food utensils (fork + knife, fork + spoon).
7-3 is a cross section of the hole processing part (4) and the main raw material exposed part (1) at the bonding surface with respect to the entire biopolymer coating (2) at the time of separation.
図8の8−1は穀物粉末を主材料（１）に、同一機能、デザイン筒状成形加工し、筒状の内面、外面にバイオポリマーコーティング（２）を加え、吸い口側のスリット、汲み上げ側スリット（３）を入れ、両スリットの間に結合面を造りその結合面に切り離しホール（３）加工を加えた同一機能２対１体型使い捨てストロー。使用時に切り離すと結合面部の切り離し断面に主原料（１）が露出。廃棄時に切り離し断面からの水分、バクテリア等の吸収力が上がり、自然分解力をアップする。 8-1 in Fig. 8 is a grain powder as the main material (1), with the same function and design tubular molding, adding biopolymer coating (2) to the inner and outer surfaces of the tubular, slit on the mouth side, pumping A disposable straw with the same function, in which side slits (3) are inserted, a joining surface is created between both slits, and the joining surface is cut and a hole (3) is added. When separated during use, the main raw material (1) is exposed on the cut section of the bonding surface. When it is discarded, it absorbs water and bacteria from the cross section, increasing the natural decomposition power.
上記、同一機能２対１体使い捨てストローは、機能的防水性が必要であり、吸い口、吸い口内面、汲み上げ口及び、汲み上げ内面、差し込み外面等全体にバイオポリマーコーティング（２）する。紙製ストロー、植物性ストロー等は、防水性、耐久性等の問題があり、又耐久性のある現在主流のプラスチック製ストローは環境問題として大きな社会問題が浮上。本ストローは、全体のバイオポリマーコーティング加工とスリット加工（３）を加えた機能性と、結合部ホール加工（４）の主原料露出による、上記問題に対応し自然分解性を有するストロー。 The two-to-one disposable straw having the same function needs to be functionally waterproof, and the biopolymer coating (2) is applied to the mouthpiece, the inner surface of the mouthpiece, the suction port, the inner surface of the suction port, the outer surface of the insertion port, and the like. Paper straws and vegetable straws have problems such as waterproofness and durability, and durable durable plastic straws present a major social problem as an environmental problem. This straw is a straw that has a biodegradability by adding the biopolymer coating process and the slit process (3) to the whole, and the above-mentioned problems due to the exposure of the main raw material of the hole process at the joint part (4).
ストローは、上方の吸い口から空気を吸引することで液体を重力に逆らって持ち上げる作用原理。細ければ小さな吸引力ですむが、汲み上げる量は少ない。太ければ吸引力が必要、汲み上げる量は多くなる。通常は直径６ミリ。本ストローは、最もおいしいと感じる太さ８−２内径（A）7ミリ、外径（B）１０ミリとする。全長の２５ミリ以上の結合面（１）を汲み上げ口と吸い口との間に配する構造とする。
The straw is a principle of action that lifts the liquid against gravity by sucking air from the upper suction port. If it is thin, a small suction force is required, but the pumping amount is small. If it is thick, suction force is required, and the amount of pumping increases. Usually 6 mm in diameter. This straw has a thickness of 8-2, the inner diameter (A) is 7 mm, and the outer diameter (B) is 10 mm. The connecting surface (1) having a total length of 25 mm or more is arranged between the pumping port and the suction port.
上記、主原料（穀物粉末）を成形する方法としては、水分調整型加工法、離水低減、固結抑制、増粘等の食用油脂調整型加工法。又穀物粉末を分解力を上げる為に粒子径粉砕加工法を用いる。 As the method for molding the main raw material (grain powder), there are a water content adjusting type processing method, an edible oil/fat adjusting type processing method such as reduction of water separation, suppression of solidification and thickening. Also, in order to increase the decomposing power of grain powder, a particle size grinding processing method is used.
本体成形は粉体プレス成形法、圧力成形法等があり金型による高圧油圧、低圧油圧方式に加え、挟込脱型方式。強度、硬度の精度重視。 There are powder press molding method, pressure molding method, etc. for main body molding. In addition to high pressure hydraulic pressure and low pressure hydraulic pressure method by mold, sandwiching demolding method. Focus on accuracy of strength and hardness.
コーティング原料は、バイオポリマー（生分解稙ポリ乳酸）等であるが、バイオマス（生物資源）を基本的原料とする。コーティング方法としては、乾式整粒、湿式整粒を分散、加熱、成膜化する転動流動造粒コーティングや
遠心造粒コーティング方式。摩耗性、滑らかさ、付着性を重視。
The coating raw material is biopolymer (biodegradable lactic acid polylactic acid) or the like, but the basic raw material is biomass (biological resource). As the coating method, tumbling fluidized granulation coating or centrifugal granulation coating method in which dry sizing and wet sizing are dispersed, heated and formed into a film. Focus on wear, smoothness and adhesion.
ホール加工、スリット加工は，機能及び折り易さ等によりホールサイズ、ホール数、スリットの幅、長さに対応。本折箸は機能面、コスト面、安全面、環境面を有する箸である。 Hole processing and slit processing support hole size, number of holes, slit width and length depending on function and ease of folding. The present folding chopsticks have functional, cost, safety and environmental aspects.
本折箸は、穀物粉末を主原料とし、使い代部のスリット加工と持ち代部での結合面のホール加工で折り易さと、折離し後の主原料露出面を確保する。加え、全体をバイオポリマーコーティング加工で箸としての機能性（耐水、硬度、舌触り等）を持ち、主原料露出面は、水分、バクテリア吸収力を高くし、廃棄時の自然分解力をあげる構造である。
This folding chopsticks uses grain powder as the main raw material, and secures the easiness of folding and the exposed surface of the main raw material after breaking by the slit processing of the usage margin portion and the hole processing of the connecting surface at the holding margin portion. In addition, the whole is biopolymer coated to have functionality as chopsticks (water resistance, hardness, texture, etc.), and the exposed surface of the main raw material has a structure that absorbs water and bacteria to a high degree and naturally decomposes at the time of disposal. is there.
１箸全体
２コーティング 部
３スリット部
４ホール部
1 whole chopsticks
2 coating part 3 slit part
4 holes
Claims (2)
A slit formed by using grain powder as a raw material so as to be 60% or more of the entire length in the length direction, a joint portion formed on the holding side, and formed in the joint portion along the length direction A Western food utensil body including a hole, and a western food utensil including a biopolymer coating layer that covers the entire food utensil body, wherein when the coupling portion is folded and separated into a pair of western food utensils, the grain A Western-style food utensil with natural degradability by exposing the molded part.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20220005939A (en) * | 2020-07-07 | 2022-01-14 | 주식회사 피원코퍼레이션 | Disposable Straws Manufactured Using Biodegradable Composition and Apparatus for manufacturing the same |
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| JPH079763U (en) * | 1993-07-23 | 1995-02-10 | 株式会社日立物流 | Biodegradable cushioning material for packaging |
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| KR102413540B1 (en) | 2020-07-07 | 2022-06-27 | 주식회사 피원코퍼레이션 | Disposable Straws Manufactured Using Biodegradable Composition and Apparatus for manufacturing the same |
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