JPH08127008A - Manufacture of paper molded piece - Google Patents
Manufacture of paper molded pieceInfo
- Publication number
- JPH08127008A JPH08127008A JP29397994A JP29397994A JPH08127008A JP H08127008 A JPH08127008 A JP H08127008A JP 29397994 A JP29397994 A JP 29397994A JP 29397994 A JP29397994 A JP 29397994A JP H08127008 A JPH08127008 A JP H08127008A
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- paper
- paper material
- mat
- molded product
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims abstract description 61
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 61
- 239000000057 synthetic resin Substances 0.000 claims abstract description 61
- 239000010893 paper waste Substances 0.000 claims abstract description 24
- 239000000835 fiber Substances 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 11
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000002657 fibrous material Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、合成樹脂のコーティ
ング層を含有した廃紙材を使用した紙成型品の製造方法
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a paper molded product using a waste paper material containing a synthetic resin coating layer.
【０００２】[0002]
【従来技術及び発明が解決しようとする課題】例えば紙
オムツ、紙製容器等の各種紙製品にあっては、少なくと
も紙シートの表面にポリプロピレン等の合成樹脂被膜を
コーティングし、防水性を得ている。2. Description of the Related Art For various paper products such as disposable diapers and paper containers, at least the surface of the paper sheet is coated with a synthetic resin film such as polypropylene to obtain waterproofness. There is.
【０００３】そしてこれらの紙製品を製造する際に、大
量の廃紙材（本発明において廃紙材とは、紙シートの裁
断屑、ピンホール等を有した製品化不能な紙材等を含
む）が廃棄処分されているが、被覆形成された合成樹脂
被膜を除去して紙資源として再利用するには多くの手間
及び費用がかかるため、再利用されていないのが実情で
あった。When manufacturing these paper products, a large amount of waste paper materials (in the present invention, waste paper materials include non-manufacturable paper materials having cutting waste of paper sheets, pinholes, etc.). ) Has been discarded, but it takes a lot of time and money to remove the synthetic resin film formed as a coating and reuse it as a paper resource, so that it has not been reused.
【０００４】又、多くの成型品はその製造効率及び形状
化の容易性から合成樹脂により成形されているが、合成
樹脂成型品にあっては大量の石油資源を必要とする一
方、廃棄後の再利用或いは処分に際しては多くの手間及
び費用がかかると共に焼却処分にともなって新たな有害
物質を生じさせるおそれを有している。Many molded products are molded from synthetic resin because of their manufacturing efficiency and easiness of shaping. However, synthetic resin molded products require a large amount of petroleum resources, while they are discarded. It takes a lot of time and money to reuse or dispose of, and there is a possibility that a new harmful substance may be generated by incineration.
【０００５】本発明は、上記した従来の欠点を解決する
ために発明されたものであり、その目的とするところ
は、合成樹脂を含有した廃紙材を再利用して合成樹脂成
型品に代わる新たな成型品を得る紙成型品の製造方法を
提供することにある。The present invention was invented in order to solve the above-mentioned conventional drawbacks, and the purpose thereof is to reuse a waste paper material containing a synthetic resin to replace a synthetic resin molded product. An object of the present invention is to provide a method for manufacturing a paper molded product that obtains a new molded product.
【０００６】[0006]
【問題点を解決するための手段】このため請求項１の発
明は、熱可塑性の合成樹脂シートがコーティングされた
廃紙材を粉砕して合成樹脂シートを細分化させると共に
紙を繊維化させて所要の厚さのマット状紙素材に形成し
た後、該マット状紙素材を加圧及び加熱してマット状紙
素材の繊維を、要求される強度に応じた密度に圧締する
と共に合成樹脂を溶融して繊維間に浸透させて硬化させ
ることにより所望形状の紙成型品を成形することを特徴
としている。Therefore, according to the invention of claim 1, the waste paper material coated with the thermoplastic synthetic resin sheet is crushed to subdivide the synthetic resin sheet and to make the paper fiber. After forming into a mat-shaped paper material having a required thickness, the mat-shaped paper material is pressed and heated to press the fibers of the mat-shaped paper material to a density according to the required strength and a synthetic resin. It is characterized in that a paper molded product having a desired shape is formed by melting and penetrating between fibers to be cured.
【０００７】又請求項２の発明は、熱可塑性の合成樹脂
シートがコーティングされた廃紙材を粉砕して合成樹脂
シートを細分化させると共に紙を繊維化させて所要の厚
さのマット状紙素材に形成した後、該マット状紙素材の
合成樹脂を溶融した状態で冷間圧締して合成樹脂を硬化
させることにより所望形状の紙成型品を成形することを
特徴としている。According to a second aspect of the present invention, a waste paper material coated with a thermoplastic synthetic resin sheet is crushed to subdivide the synthetic resin sheet, and at the same time, the paper is made into fibers to obtain a matte paper having a required thickness. After being formed into a material, the synthetic resin of the matte paper material is cold pressed in a molten state to cure the synthetic resin, thereby forming a paper molded product having a desired shape.
【０００８】[0008]
【実施例】以下、本発明方法を図面に従って説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The method of the present invention will be described below with reference to the drawings.
【０００９】請求項１ 図１〜図４において、本発明に係る廃紙材としては、例
えば紙オムツ、紙容器等を製造する際に廃棄処分される
裁断屑若しくはピンホール等により製品化不能な紙材を
使用する。この紙材はその用途から熱可塑性の合成樹脂
被膜が約２０〜４０μｍでコーティングされている。
尚、廃紙材としては上記の外に、熱可塑性の合成樹脂が
コーティングされた各種紙材であればよいが、製造コス
ト及び品質面から製品を製造する際に大量に廃棄される
裁断屑が適している。Claim 1 In FIGS. 1 to 4, the waste paper material according to the present invention cannot be commercialized due to, for example, cutting scraps or pinholes discarded when manufacturing a disposable diaper, a paper container or the like. Use paper materials. This paper material is coated with a thermoplastic synthetic resin film having a thickness of about 20 to 40 μm for its purpose.
In addition to the above, as the waste paper material, various paper materials coated with a thermoplastic synthetic resin may be used, but cutting wastes that are discarded in large quantities when manufacturing a product from the viewpoint of manufacturing cost and quality. Is suitable.
【００１０】図２に示すように廃紙材１は、相互に反対
方向へ回転する針付き大ロール３及び針付き小ロール５
との間を通過させて粉砕することによりコーティングさ
れた合成樹脂を細分化させると共に紙材を繊維化させ
る。一旦、製品化された廃紙材１はその含水率が約５％
位になっているため、図３に示すように細分化及び繊維
化された廃紙材１に水を噴霧状に供給してその含水率が
約８〜２０％となるように調整すると共に成形しようと
する紙成型品に要求される強度に応じた量の合成樹脂粒
を添加する。As shown in FIG. 2, the waste paper material 1 includes a large roll with a needle 3 and a small roll 5 with a needle which rotate in mutually opposite directions.
The coated synthetic resin is subdivided by passing through between the paper and the paper and pulverized, and the paper material is made into fibers. The waste paper material 1 that was once commercialized has a water content of about 5%.
As shown in FIG. 3, the waste paper material 1 that has been subdivided and made into fibers is supplied with water in the form of a spray so that the water content thereof is adjusted to about 8 to 20% and molding is performed. Add an amount of synthetic resin particles according to the strength required for the paper molded product to be manufactured.
【００１１】合成樹脂粒の添加量は紙成型品１１に要求
される強度に応じて適宜調整される。即ち、強度が余り
要求されない成型品にあっては、廃紙材１に含まれてい
る合成樹脂のみでそれ以上に添加する必要がなく、反対
に強度が要求される成型品にあっては強度に応じた量の
合成樹脂を添加する必要があるが、その量は新たに成形
される紙成型品１１を処理する際の容易性を考慮して過
度にならないように調整する必要がある。そして添加さ
れる合成樹脂としてはオレフィン系、ポリプロピレン
系、スチレン系、ウレタン系、塩化ビニル系等の熱可塑
性樹脂或いはフェノール系等の熱硬化性樹脂の何れであ
ってもよいが、加熱温度を低く設定できる点から熱可塑
性合成樹脂が適している。The amount of synthetic resin particles added is appropriately adjusted according to the strength required for the paper molded product 11. That is, in the case of a molded product that does not require much strength, it is not necessary to add more than the synthetic resin contained in the waste paper material 1, and conversely, in the case of a molded product that requires strength, It is necessary to add an amount of the synthetic resin corresponding to the above, but the amount needs to be adjusted so as not to become excessive in consideration of the ease of processing the newly molded paper molded product 11. The synthetic resin to be added may be any of olefin-based, polypropylene-based, styrene-based, urethane-based, vinyl chloride-based thermoplastic resins or phenol-based thermosetting resins, but the heating temperature is low. Thermoplastic synthetic resin is suitable because it can be set.
【００１２】上記のように細分化及び繊維化されると共
に必要に応じて合成樹脂が添加された廃紙材１は図３に
示すように一対の押圧ローラー７間を通過させることに
より所要の厚さのマット状紙素材９に形成する。マット
状紙素材９は成形時の圧締力に応じた密度及び厚さに適
宜設定される。The waste paper material 1 which has been subdivided and made into fibers as described above and to which a synthetic resin has been added as required is passed through a pair of pressing rollers 7 as shown in FIG. The mat-shaped paper material 9 is formed. The matte paper material 9 is appropriately set to have a density and a thickness according to the pressing force at the time of molding.
【００１３】次に、上記のように形成されたマット状紙
素材９を、紙成型品１１に応じた平面形状に裁断した
後、図４に示すようにホットプレス装置１３の金型１５
・１７間にセットし、所要の圧力及び温度で加熱圧締す
る。このとき、部分的に高い強度が要求される紙成型品
１１にあっては、金型１５・１７間にマット状紙素材９
をセットする際、高い強度が要求される部分に対しては
マット状紙素材９を複数枚重ね合わせて成形後の密度を
高めると共に樹脂料を多くして強度化させる。Next, after the mat-shaped paper material 9 formed as described above is cut into a planar shape corresponding to the paper molded product 11, as shown in FIG. 4, the die 15 of the hot press machine 13 is cut.
・ Set between 17 and heat and press at the required pressure and temperature. At this time, in the case of the paper molded product 11 that is required to have a high strength partially, the mat-shaped paper material 9 is placed between the molds 15 and 17.
When setting, a plurality of mat-shaped paper materials 9 are superposed on a portion requiring high strength to increase the density after molding and increase the resin material to strengthen the strength.
【００１４】そしてホットプレス装置１３の加圧力は紙
成型品１１に要求される強度に応じて適宜設定される。
即ち、高い強度が要求される紙成型品１１にあっては高
い加圧力に設定し、高密度圧締している。又、ホットプ
レス装置１３の加熱温度は添加される合成樹脂の種類に
より適宜設定される。即ち、熱可塑性合成樹脂の場合に
は約８０〜１２０℃に、熱硬化性合成樹脂の場合には約
１７０〜２２０℃に夫々設定される。そして何れの場合
にあっても、キャビィティを有した雌型はコアを有した
雄型に対し、約３０〜５０℃高く設定されている。これ
により加熱圧締後における金型からの離型性を良好にし
ている。The pressing force of the hot press device 13 is appropriately set according to the strength required for the paper molded product 11.
That is, in the case of the paper molded product 11 that requires high strength, the pressure is set to be high and the high density compression is performed. Further, the heating temperature of the hot press device 13 is appropriately set depending on the type of synthetic resin added. That is, in the case of a thermoplastic synthetic resin, it is set to about 80 to 120 ° C, and in the case of a thermosetting synthetic resin, it is set to about 170 to 220 ° C. In any case, the female mold having cavities is set at about 30 to 50 ° C. higher than the male mold having cores. Thereby, the mold releasability from the mold after heating and pressing is improved.
【００１５】上記ホットプレス装置１３による圧締及び
加熱に伴い、マット状紙素材９は図１に示すように加圧
力に応じた密度に圧締されると共に細分化及び添加され
た合成樹脂は溶融して圧締された繊維間に浸入して硬化
し、廃紙材１の繊維相互を結合して紙成型品１１を所定
の形状に保持させる。With the pressing and heating by the hot press device 13, the mat-shaped paper material 9 is pressed to a density corresponding to the pressing force as shown in FIG. 1, and the synthetic resin that has been subdivided and added is melted. Then, the fibers of the waste paper material 1 are bonded to each other by being infiltrated between the fibers that have been pressed and hardened, and the paper molded product 11 is held in a predetermined shape.
【００１６】そして上記圧締及び加熱作業が終了した
後、相互に離間した金型１５・１７間から紙成型品１１
を取出した後、周囲のバリを切断除去して紙成型品１１
の成形作業を終了する。After the pressing and heating operations are completed, the paper molded product 11 is removed from between the molds 15 and 17 separated from each other.
After removing the paper, the peripheral burrs are cut and removed to form a paper molded product 11
Finish the molding work of.
【００１７】請求項２ 上記した請求項１に係る紙成型品の製造方法は、マット
状紙素材９に含有された合成樹脂を、ホットプレス装置
１３による加熱圧締に伴って溶融して繊維間に浸入させ
た状態で硬化させて所望形状の紙成型品１１を成形する
方法としたが、請求項２の発明は、図５に示すように紙
成型品１１に応じた所望の大きさに裁断されたマット状
紙素材９に対して空気ノズル４１から熱気を吹付けて含
有された合成樹脂を溶融させた状態で冷間プレス装置４
３の金型４５・４７間にセットした後に圧締して所望の
形状に成形すると共に含有されて溶融した合成樹脂を硬
化させて紙成型品１１を成形する方法であってもよい。According to a second aspect of the present invention, in the method for producing a paper molded article according to the first aspect, the synthetic resin contained in the mat-shaped paper material 9 is melted by heating and pressing by the hot press device 13 and is melted between fibers. The method of forming a paper molded product 11 having a desired shape by hardening the paper molded product in a state of being penetrated into the sheet is described. The invention of claim 2 cuts into a desired size according to the paper molded product 11 as shown in FIG. Cold press device 4 in a state where hot air is blown against the formed mat-shaped paper material 9 from an air nozzle 41 to melt the contained synthetic resin.
Alternatively, a method may be used in which the paper molded product 11 is molded by setting between the dies 45 and 47 of No. 3 and then pressing to mold it into a desired shape and curing the contained and melted synthetic resin.
【００１８】上記した請求項１及び２の発明にあって
は、要求される紙成型品１１の強度に応じて細分化及び
繊維化された廃紙材１に、熱可塑性或いは熱硬化性の合
成樹脂粒を添加してマット状紙素材９を形成した後にこ
れをホットプレス或いはコールドプレスにより紙成型品
１１を形成したが、図６に示すようにマット状紙素材９
を形成する際に、その表裏面及び中層の何れか若しくは
全てに合成樹脂シート５１を全体に積層し、これをホッ
トプレス或いは合成樹脂を溶融させた状態でコールドプ
レスして紙成型品５３を成形してもよい。In the above-mentioned inventions of claims 1 and 2, the waste paper material 1 which is subdivided and made into fibers according to the required strength of the paper molded product 11 is made of a thermoplastic or thermosetting compound. After forming the mat-shaped paper material 9 by adding resin particles, a paper molded product 11 was formed by hot pressing or cold pressing. As shown in FIG.
When forming a sheet, a synthetic resin sheet 51 is entirely laminated on any or all of the front and back surfaces and the intermediate layer, and this is hot-pressed or cold-pressed with the synthetic resin melted to form a paper molded product 53. You may.
【００１９】又、部分的に強度が要求される紙成型品１
１にあっては、図７に示すように合成樹脂粒及び合成樹
脂シートが付加された或いは付加されていないマット状
紙素材６１或いは所定の形状に裁断されたマット状紙素
材６１の生地に対し、強度が要求される部分に応じた大
きさに切断された合成樹脂シート片６３を積層して圧締
及び加熱することにより部分的に強度の高い紙成型品１
１を成形することができる。Further, a paper molded product 1 partially required to have strength.
In the case of No. 1, as shown in FIG. 7, a mat-shaped paper material 61 with or without synthetic resin particles and a synthetic resin sheet, or a mat-shaped paper material 61 cut into a predetermined shape , A paper molded product 1 having a partially high strength by laminating synthetic resin sheet pieces 63 cut into a size corresponding to a portion requiring strength, pressing and heating.
1 can be molded.
【００２０】更に図４は洗剤等の計量スプーンを示して
いるが、本発明により成形される紙成型品としては図４
に示すものに限定されるものではなく、合成樹脂成型品
に代わり得る各種製品であってもよい。Further, FIG. 4 shows a measuring spoon for detergent or the like, but as a paper molded product molded by the present invention, FIG.
The product is not limited to the one shown in (1) and may be various products that can replace the synthetic resin molded product.
【００２１】[0021]
【発明の効果】このため本発明は、合成樹脂を含有した
廃紙材を再利用して合成樹脂成型品に代わる新たな成型
品を得ることができる。Therefore, according to the present invention, it is possible to reuse a waste paper material containing a synthetic resin to obtain a new molded product which replaces the synthetic resin molded product.
【図１】紙成型品の例を示す斜視図である。FIG. 1 is a perspective view showing an example of a paper molded product.
【図２】廃紙材を細分化及び繊維化する状態を示す説明
図である。FIG. 2 is an explanatory diagram showing a state in which waste paper material is subdivided and made into fibers.
【図３】マット状紙素材の形成状態を示す説明図であ
る。FIG. 3 is an explanatory diagram showing a formation state of a mat-shaped paper material.
【図４】ホットプレス装置を示す説明図である。FIG. 4 is an explanatory diagram showing a hot press device.
【図５】請求項２に係る紙成型品の製造状態を示す説明
図である。FIG. 5 is an explanatory diagram showing a manufacturing state of a paper molded product according to claim 2.
【図６】マット状紙素材の変更例を示す説明図である。FIG. 6 is an explanatory diagram showing a modification example of a mat-shaped paper material.
【図７】マット状紙素材の変更例を示す説明図である。FIG. 7 is an explanatory diagram showing a modification example of a mat-shaped paper material.
１ 廃紙材 ９ マット状紙素材 １１ 紙成型品 1 Waste paper material 9 Matte paper material 11 Paper molded products
Claims (6)
された廃紙材を粉砕して合成樹脂シートを細分化させる
と共に紙を繊維化させて所要の厚さのマット状紙素材に
形成した後、該マット状紙素材を加圧及び加熱してマッ
ト状紙素材の繊維を、要求される強度に応じた密度に圧
締すると共に合成樹脂を溶融して繊維間に浸透させて硬
化させることにより所望形状の紙成型品を成形する紙成
型品の製造方法。1. A waste paper material coated with a thermoplastic synthetic resin sheet is crushed to subdivide the synthetic resin sheet, and the paper is made into fibers to form a mat-shaped paper material having a required thickness. Desirable by pressing and heating the mat-shaped paper material to press the fibers of the mat-shaped paper material to a density according to the required strength, and melting the synthetic resin to penetrate the fibers and cure it. A method for manufacturing a paper molded product for molding a shaped paper molded product.
された廃紙材を粉砕して合成樹脂シートを細分化させる
と共に紙を繊維化させて所要の厚さのマット状紙素材に
形成した後、該マット状紙素材の合成樹脂を溶融した状
態で冷間圧締して合成樹脂を硬化させることにより所望
形状の紙成型品を成形する紙成型品の製造方法。2. A waste paper material coated with a thermoplastic synthetic resin sheet is crushed to subdivide the synthetic resin sheet and fibrous the paper to form a mat-shaped paper material having a required thickness. A method for producing a paper molded product, which comprises molding a paper molded product having a desired shape by cold pressing the synthetic resin of the mat-shaped paper material in a molten state to cure the synthetic resin.
ートの他に合成樹脂粒を添加してなる請求項１又は２の
紙成型品の製造方法。3. The method for producing a paper molded product according to claim 1, wherein the mat-shaped paper material is made by adding synthetic resin particles in addition to the finely divided synthetic resin sheet.
てなる請求項１又は２の紙成型品の製造方法。4. The method for producing a paper molded article according to claim 1, wherein the matte paper material is formed by laminating synthetic resin sheets.
合成樹脂である請求項３又は４の紙成型品の製造方法。5. The method for producing a paper molded product according to claim 3, wherein the synthetic resin particles or the synthetic resin sheet is a thermoplastic synthetic resin.
合成樹脂である請求項３又は４の紙成型品の製造方法。6. The method for producing a paper molded article according to claim 3, wherein the synthetic resin particles or the synthetic resin sheet is a thermosetting synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29397994A JPH08127008A (en) | 1994-11-01 | 1994-11-01 | Manufacture of paper molded piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29397994A JPH08127008A (en) | 1994-11-01 | 1994-11-01 | Manufacture of paper molded piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08127008A true JPH08127008A (en) | 1996-05-21 |
Family
ID=17801680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29397994A Pending JPH08127008A (en) | 1994-11-01 | 1994-11-01 | Manufacture of paper molded piece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08127008A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7226879B2 (en) | 2003-12-30 | 2007-06-05 | Owens-Corning Fiberglas Technology Inc. | Multidensity liner/insulator formed from multidimensional pieces of polymer fiber blanket insulation |
| JP2008502517A (en) * | 2004-06-11 | 2008-01-31 | ジーパック テクノロジー（エス） ピーティーイー リミテッド | Molding method for high strength molded products |
-
1994
- 1994-11-01 JP JP29397994A patent/JPH08127008A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7226879B2 (en) | 2003-12-30 | 2007-06-05 | Owens-Corning Fiberglas Technology Inc. | Multidensity liner/insulator formed from multidimensional pieces of polymer fiber blanket insulation |
| JP2008502517A (en) * | 2004-06-11 | 2008-01-31 | ジーパック テクノロジー（エス） ピーティーイー リミテッド | Molding method for high strength molded products |
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