CN105780582B - Paper cup covers and its manufacturing process - Google Patents
Paper cup covers and its manufacturing process Download PDFInfo
- Publication number
- CN105780582B CN105780582B CN201610168352.7A CN201610168352A CN105780582B CN 105780582 B CN105780582 B CN 105780582B CN 201610168352 A CN201610168352 A CN 201610168352A CN 105780582 B CN105780582 B CN 105780582B
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- CN
- China
- Prior art keywords
- paper cup
- sodium alginate
- manufacturing process
- cup covers
- diatomite
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- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Table Devices Or Equipment (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of paper cup covers and its manufacturing process, and in terms of mass fraction, the raw material of the paper cup covers includes 90~95 parts of bagasse pulp, 0.5~1 part of tea polyphenols, 0.5~1 part of sodium alginate, 0.5~1 part of titanium dioxide, 3~8 parts of diatomite, 0~1 part of water；The manufacturing process of the paper cup covers, comprises the following steps：(1) sodium alginate aqueous solution is obtained by sodium alginate is soluble in water；(2) by bagasse pulp by mashing and defibrination process；(3) under conditions of stirring, step (1) obtained sodium alginate aqueous solution is added in step (2) obtained slurry, is uniformly mixed；(4) titanium dioxide, diatomite, tea polyphenols successively are added under conditions of stirring, are uniformly mixed；(5) inject in the mould of cup lid, under mould stitching state, 2~3min is thermally dried under conditions of being 185~200 DEG C in temperature；(6) after, cutting edge is carried out using bead cutter.Its not only energy conservation and environmental protection, but also there is excellent strength character.
Description
Technical field
The present invention relates to the Manufacturing Techniques field of plant fibre moulding article, more specifically, it relates to a kind of profit
Paper cup covers and its production technology made of plant fiber.
Background technology
China's sugarcane yield is only second to Brazil and India, is the big sugar cane plantation in third place in the world.Sugarcane passes through in China's agricultural
Occupy critical role in Ji, its yield and the output value are only second to grain, oil plant and cotton, occupy the 4th.Due to the adaptability of sugarcane
By force, the cultivated area of China sugarcane increases year by year in recent years.
Sugarcane is primarily used to refine sugar, and China is one of main Chan Tang states of the world.Bagasse is as the main of sugar industry
Accessory substance, applied to papermaking, animal feed etc., added value of product is relatively low.Existing data of publication of application is September in 2013 25 days, Shen
Please publication No. be CN103321106A patent document (documents) disclose a kind of production technology of paper cup cover, it is one
Nontoxic, environmentally friendly, the energy saving production technology that paper cup cover is made using herbaceous plant fiber of kind.According to herbaceous pulp quality
More sugared agents are condensed with 4% bagasse pulp, 2% reed pulp, 1% wheat-straw pulp, 0.5% and 92.5% pure water is adjusted
Match somebody with somebody；Then quantitative mechanical slip casting, then on the mould of cup lid it is hot-forming, cup lid edge is repaired, in the top of cup lid
Punching；Finally carry out disinfection packaging.The present invention have the advantages that it is nontoxic, environmentally friendly, energy saving, without classification recycling, and this product
In 90 days can natural degradation into crops fertilizer.It is mainly used in the fields such as family, food and drink.
But the strength character of the paper cup cover produced by the production technology described in documents is not high, has to be strengthened.
This is because the paper cup cover is to be cohered bagasse pulp, reed pulp, wheat-straw pulp by the more sugared agents of condensation to form, bagasse pulp, reed
Binding ability between reed pulp, wheat-straw pulp is not strong.
The content of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of paper cup covers, its not only energy conservation and environmental protection,
And there is excellent strength character.
To achieve the above object, the present invention provides following technical solution：
A kind of paper cup covers, in terms of mass fraction, its raw material includes 90~95 parts of bagasse pulp, 0.5~1 part of tea polyphenols, sea
0.5~1 part of mosanom, 0.5~1 part of titanium dioxide, 3~8 parts of diatomite, 0~1 part of water.
The present invention is more preferably：The crystallinity of the bagasse pulp is 50~60%.
Another object of the present invention is to provide the manufacturing process of paper cup covers described above.
To achieve the above object, the present invention provides following technical solution：
The manufacturing process of paper cup covers described above, comprises the following steps：
(1) sodium alginate aqueous solution is obtained by sodium alginate is soluble in water；
(2) by bagasse pulp by mashing and defibrination process；
(3) under conditions of stirring, step (1) obtained sodium alginate aqueous solution is added to obtained by step (2)
Slurry in, be uniformly mixed；
(4) titanium dioxide, diatomite, tea polyphenols successively are added under conditions of stirring, are uniformly mixed；
(5) inject in the mould of cup lid, under mould stitching state, added under conditions of being 185~200 DEG C in temperature
2~3min of heated drying；
(6) after, cutting edge is carried out using bead cutter.
The present invention is more preferably：Beating degree in step (2) is 85~95 ° of SR.
The present invention is more preferably：During defibrination in step (2), the rotating speed of fiberizer is arranged to 950~
1000r/min, defibrination time are 15~17min.
The present invention is more preferably：The crystallinity of the bagasse pulp is 45~50% after mashing is handled.
The present invention is more preferably：After mashing and defibrination process the crystallinity of the bagasse pulp for 35~
40%.
Compared with prior art, the present invention has the advantages that：
(1) primary bagasse pulp fiber surface is smooth, its nascent wall construction matter is close, not hygroscopic swollen；After beating
Fiber surface has certain conquassation and sub-wire phenomenon, this is because mashing makes fiber oncentricity layer produce bending, be subjected to displacement and deform
It is caused；By being beaten with after milled processed, the surface of bagasse pulp fiber produces substantial amounts of crackle and fiber fines, fiber and comes into being
Wall and outer layer of secondary wall are abolished substantially, and the central layer of secondary water suction swollen degree after conquassation improves, and fiber longitudinally produces division
Both ends brooming, fiber surface start sub-wire fluffing, and the combination between fiber after sub-wire fluffing can improve, and can strengthen the present invention
The strength character of the paper cup covers.
(2) titanium dioxide is a kind of edible Chinese white, and diatomite can increase the wearability and mar-resistance of paper cup covers, but
It is that the solubility of titanium dioxide, diatomite in water is bad；Sodium alginate, is a kind of natural polysaccharide, when the water vapour in cup body
With the sodium alginate contact in paper cup covers, hydrone enters sodium alginate fibrous inside and forms water gel, and water gel
The dispersing uniformity of titanium dioxide, diatomite in bagasse pulp can be improved.
(3) after mashing and defibrination process, the crystallinity of sugarcane pulp fibres is reduced to 35~40%, in the crystallinity
Sugarcane pulp fibres there is certain intensity, and cane syrup fiber oncentricity layer at this time produces bending, is subjected to displacement and deforms, fine
Dimension cracks and the fluffing of surface sub-wire, and fibrous layer and interlayer become loose, and filament bedding void becomes larger, and water gel is easy to
Into filament bedding void, the combination energy between bagasse pulp fiber and sodium alginate, titanium dioxide and diatomite is enhanced
Power.Therefore, paper cup covers of the invention have excellent strength character.
(4) crystallinity of sugarcane pulp fibres is only reduced only to 45% or so after defibrination, but sugarcane pulp fibres pass through
After crossing mashing and defibrination process, the crystallinity of sugarcane pulp fibres can be reduced to 35~40%, and therefore, mashing, defibrination are indispensable.
(5) in addition, the sub-wire of bagasse pulp fiber surface can be adhered on water gel, it further enhancing bagasse
Slurry and the binding ability between sodium alginate, titanium dioxide and diatomite.
(6) tea polyphenols have biocidal property, but its is soluble in water, and solution shows faintly acid, is unfavorable for the molten of sodium alginate
Solution, but be eventually adding tea polyphenols and can be very good to solve the problems, such as this.
(7) diatomite, sodium alginate and tea polyphenols have synergy to the facilitation of product strength performance.
Embodiment
This specific embodiment is only explanation of the invention, it is not limitation of the present invention, people in the art
Member as needed can make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
All protected in the right of invention be subject to Patent Law.
Involved all substances are commercially available in the embodiment of the present invention, and to tea polyphenols, sodium alginate, titanium dioxide, diatom
The quality requirement of soil is food-grade.
Embodiment 1：
1Kg sodium alginates are dissolved in 3Kg water and obtain sodium alginate aqueous solution；By 90Kg bagasse pulps by mashing and mill
Slurry processing；Under conditions of stirring, obtained sodium alginate aqueous solution is added in obtained slurry, is uniformly mixed；
0.5Kg titanium dioxides, 5Kg diatomite, 0.5Kg tea polyphenols successively are added under conditions of stirring, are uniformly mixed；Inject the mould of cup lid
In tool, under mould stitching state, 2~3min is thermally dried under conditions of being 185~200 DEG C in temperature；Afterwards, use
Bead cutter carries out cutting edge, obtains sample 1a.
1Kg sodium alginates are dissolved in 3Kg water and obtain sodium alginate aqueous solution；By 90Kg bagasse pulps by mashing and mill
Slurry processing；Under conditions of stirring, obtained sodium alginate aqueous solution is added in obtained slurry, is uniformly mixed；
0.5Kg titanium dioxides, 5Kg diatomite, 0.5Kg tea polyphenols successively are added under conditions of stirring, are uniformly mixed；Inject cardboard mould
In, under mould stitching state, 2~3min is thermally dried under conditions of being 185~200 DEG C in temperature, obtains sample 1b.
Embodiment 2：Carried out according to the method for embodiment 1, respectively obtain sample 2a and sample 2b.The difference is that each component
Feed intake：Bagasse pulp 95Kg, tea polyphenols 0.5Kg, sodium alginate 0.5Kg, titanium dioxide 0.5Kg, diatomite 3Kg, water 0.5Kg.
Embodiment 3：Carried out according to the method for embodiment 1, respectively obtain sample 3a and sample 3b.The difference is that each component
Feed intake：Bagasse pulp 92Kg, tea polyphenols 1Kg, sodium alginate 0.7Kg, titanium dioxide 0.8Kg, diatomite 3Kg, water 2.5Kg.
Embodiment 4：Carried out according to the method for embodiment 1, respectively obtain sample 4a and sample 4b.The difference is that each component
Feed intake：Bagasse pulp 90Kg, tea polyphenols 0.5Kg, sodium alginate 0.5Kg, titanium dioxide 0.5Kg, diatomite 8, water 0.5Kg.
Embodiment 5：Carried out according to the method for embodiment 1, respectively obtain sample 5a and sample 5b.The difference is that each component
Feed intake：Bagasse pulp 90Kg, tea polyphenols 0.5Kg, sodium alginate 0.5Kg, titanium dioxide 0.5Kg, diatomite 8, water 0.5Kg, respectively
Obtain sample 5a and sample 5b.
Embodiment 6：Carried out according to the method for embodiment 1, respectively obtain sample 6a and sample 6b.The difference is that each component
Feed intake：Bagasse pulp 91Kg, tea polyphenols 0.7Kg, sodium alginate 0.5Kg, titanium dioxide 1Kg, diatomite 5Kg, water 1.8Kg.
Comparative example 1：Carried out according to the method for embodiment 1, respectively obtain reference substance 1a and reference substance 1b.Unlike, step
Suddenly the bagasse pulp in (2) does not pass through defibrination process, is only handled by mashing.
Comparative example 2：Carried out according to the method for embodiment 1, respectively obtain reference substance 2a and reference substance 2b.Unlike, step
Suddenly the bagasse pulp in (2) is not handled by mashing, only passes through defibrination process.
Comparative example 3：Carried out according to the method for embodiment 1, respectively obtain reference substance 3a and reference substance 3b.Unlike, do not have
There is addition diatomite.
Comparative example 4：Carried out according to the method for embodiment 1, respectively obtain reference substance 4a and reference substance 4b.Unlike, do not have
There is addition sodium alginate.
Comparative example 5：Carried out according to the method for embodiment 1, respectively obtain reference substance 5a and reference substance 5b.Unlike, do not have
There are addition tea polyphenols.
Comparative example 6：Carried out according to the method for embodiment 1, respectively obtain reference substance 6a and reference substance 6b.Unlike, do not have
There is addition titanium dioxide.
Comparative example 7：Use the production method making pair described in documents of the application publication number for CN103321106A
According to product 7b.
First, sample 1b~6b and reference substance 1b~6b are tested according to following standard.
| Standard No. | Title |
| GB/T12914-2008 | The measure of paper and paper tensile strength |
| GB/T457-2008 | The measure of paper and cardboard folding strength |
| GB/T454-2002 | The measure of paper bursting strength |
| GB/T455-2002 | The measure of paper and cardboard tearability |
| GB/T22364-2008 | The measure of paper and cardboard bending break stiffness |
The test data of sample 1b~6b and reference substance 1b~6b.
Above-mentioned test data is observed, sample 1b~6b and reference substance 6b have good strength character；By sample 1b and
The test data contrast of reference substance 1b~2b is as can be seen that bagasse pulp passes through the strength character of mashing and defibrination process to product
Have a very big impact, and it is indispensable to be beaten the two processing steps with defibrination；Pass through sample 1b's and reference substance 3b~5b
The addition that test data can be seen that diatomite, sodium alginate and tea polyphenols produces facilitation to the strength character of product,
The strong and weak order of facilitation is：Sodium alginate ＞ diatomite ＞ tea polyphenols, and diatomite, sodium alginate and tea polyphenols are to product
The facilitation of strength character has synergy；Titanium dioxide can be seen that by the test data of sample 1b and reference substance 6b
The strength character of product is influenced little；It can be seen that by the test data of sample 1b~6b and reference substance 7b in intensive properties
Can aspect, use the paper cup covers of fabrication process of the present invention to be far superior to use application publication number for
The paper cup cover of the production of production method described in the documents of CN103321106A.
2nd, simulation test
Selection is adapted with paper cup covers, and identical cup body 13, be separately added into these cup bodies temperature be 90 DEG C and
The hot water of equivalent, is chosen 12 cup bodies and is covered respectively using sample 1a~6a and reference substance 1a~6a, remaining cup body makees blank
Control.Measure is passed through after 10min, 30min and 60min respectively, sample 1a~6a, reference substance 1a~6a and blank control group
Cup body water in tea polyphenols, sodium alginate, titanium dioxide and diatomaceous content (mg/Kg).
Above-mentioned test data is observed, sample 1a~6a meets food additives national standard and professional standard；And sugarcane
Slurry can increase the knot of tea polyphenols, titanium dioxide, diatomite and product by the addition of mashing, defibrination process and sodium alginate
With joint efforts, food additives national standard and professional standard are met to paper cup covers of the present invention.
The above is only the preferred embodiment of the present invention, still, during the present invention is not limited to the above-described embodiments
Detail, in the range of the technology design of the present invention, can carry out a variety of simple variants to technical scheme, these
Simple variant belongs to the protection domain of the present invention.
Claims (6)
1. a kind of manufacturing process of paper cup covers, it is characterised in that in terms of mass fraction, the raw material of the paper cup covers includes bagasse
90~95 parts of slurry, 0.5~1 part of tea polyphenols, 0.5~1 part of sodium alginate, 0.5~1 part of titanium dioxide, 3~8 parts of diatomite, water 0~1
Part；
The manufacturing process of the paper cup covers, comprises the following steps：
(1) sodium alginate aqueous solution is obtained by sodium alginate is soluble in water；
(2) by bagasse pulp by mashing and defibrination process；
(3) under conditions of stirring, by step（1）Obtained sodium alginate aqueous solution is added to step（2）Obtained slurry
In material, it is uniformly mixed；
(4) titanium dioxide, diatomite, tea polyphenols successively are added under conditions of stirring, are uniformly mixed；
(5) inject in the mould of cup lid, it is dry to carry out heating under mould stitching state, under conditions of being 185~200 DEG C in temperature
Dry 2~3min；
(6) after, cutting edge is carried out using bead cutter.
2. the manufacturing process of paper cup covers according to claim 1, it is characterised in that the crystallinity of the bagasse pulp is 55
~60%.
3. the manufacturing process of paper cup covers according to claim 1, it is characterised in that beating degree in step (2) for 85~
95°SR。
4. the manufacturing process of paper cup covers according to claim 1, it is characterised in that during the defibrination in step (2),
The rotating speed of fiberizer is arranged to 950~1000r/min, the defibrination time is 15~17min.
5. the manufacturing process of paper cup covers according to claim 1, it is characterised in that the bagasse after mashing is handled
The crystallinity of slurry is 45~50%.
6. the manufacturing process of paper cup covers according to claim 1, it is characterised in that described after mashing and defibrination process
The crystallinity of bagasse pulp is 35~40%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168352.7A CN105780582B (en) | 2016-03-23 | 2016-03-23 | Paper cup covers and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168352.7A CN105780582B (en) | 2016-03-23 | 2016-03-23 | Paper cup covers and its manufacturing process |
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| Publication Number | Publication Date |
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| CN105780582A CN105780582A (en) | 2016-07-20 |
| CN105780582B true CN105780582B (en) | 2018-05-01 |
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| CN201610168352.7A Active CN105780582B (en) | 2016-03-23 | 2016-03-23 | Paper cup covers and its manufacturing process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109403154A (en) * | 2018-09-27 | 2019-03-01 | 安庆市恒原纸塑有限公司 | A kind of preparation method of environment protection type disposable pergamyn paper dish |
| WO2020232671A1 (en) * | 2019-05-22 | 2020-11-26 | 角珞有限公司 | Environmentally friendly kitchen appliance and manufacturing method therefor |
| CN110497654B (en) * | 2019-08-31 | 2020-10-02 | 瑞安市明国机械有限公司 | Station arrangement structure of paper cup cover forming machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136492A (en) * | 1998-10-28 | 2000-05-16 | Onda Akio | Production of pure bagasse paper without using wood pulp |
| CN1307154A (en) * | 2000-01-31 | 2001-08-08 | 上海日健包装设备有限公司 | Pulp-molding product mold process |
| CN101637982A (en) * | 2009-08-04 | 2010-02-03 | 佛山浩博环保制品有限公司 | Manufacture process of disposable bowl cover and bowl cover made by same |
| CN103321106A (en) * | 2013-05-10 | 2013-09-25 | 大连爱格瑞恩生态科技有限公司 | Production technology for paper cup cover |
| CN104652177A (en) * | 2013-11-18 | 2015-05-27 | 伍强 | Manufacturing method for paper-based environment-protective bottle |
-
2016
- 2016-03-23 CN CN201610168352.7A patent/CN105780582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000136492A (en) * | 1998-10-28 | 2000-05-16 | Onda Akio | Production of pure bagasse paper without using wood pulp |
| CN1307154A (en) * | 2000-01-31 | 2001-08-08 | 上海日健包装设备有限公司 | Pulp-molding product mold process |
| CN101637982A (en) * | 2009-08-04 | 2010-02-03 | 佛山浩博环保制品有限公司 | Manufacture process of disposable bowl cover and bowl cover made by same |
| CN103321106A (en) * | 2013-05-10 | 2013-09-25 | 大连爱格瑞恩生态科技有限公司 | Production technology for paper cup cover |
| CN104652177A (en) * | 2013-11-18 | 2015-05-27 | 伍强 | Manufacturing method for paper-based environment-protective bottle |
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| Publication number | Publication date |
|---|---|
| CN105780582A (en) | 2016-07-20 |
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Effective date of registration: 20190423 Address after: Room 102, E2 Floor, Phase I, West Yuntai Road, Ansheng Street, East of Canal Avenue, Xianghe Economic and Technological Development Zone, Langfang City, Hebei Province, 065001 Patentee after: Xianghe Heyi Packaging Machinery Co., Ltd. Address before: 100121 Beijing Chaoyang District Heizhuang Huxiang Daludian Second Village North Three Branches No.1 Hospital Patentee before: BEIJING HE YI PACKAGING CONTAINER CO., LTD. |
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