CN117508744A - Film-breaking-free vacuum packaging method for medium square meat - Google Patents
Film-breaking-free vacuum packaging method for medium square meat Download PDFInfo
- Publication number
- CN117508744A CN117508744A CN202410009422.9A CN202410009422A CN117508744A CN 117508744 A CN117508744 A CN 117508744A CN 202410009422 A CN202410009422 A CN 202410009422A CN 117508744 A CN117508744 A CN 117508744A
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- China
- Prior art keywords
- plastic packaging
- packaging film
- meat
- film
- middle square
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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.)
- Granted
Links
- 235000013372 meat Nutrition 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009461 vacuum packaging Methods 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 127
- 239000012785 packaging film Substances 0.000 claims abstract description 109
- 229920006280 packaging film Polymers 0.000 claims abstract description 109
- 239000012528 membrane Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 22
- 230000003281 allosteric effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
- B65B25/065—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat
- B65B25/067—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat combined with its conservation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
- B65B11/50—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins
- B65B11/52—Enclosing articles, or quantities of material, by disposing contents between two sheets, e.g. pocketed sheets, and securing their opposed free margins one sheet being rendered plastic, e.g. by heating, and forced by fluid pressure, e.g. vacuum, into engagement with the other sheet and contents, e.g. skin-, blister-, or bubble- packaging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
- B65B51/146—Closing bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Basic Packing Technique (AREA)
- Packages (AREA)
Abstract
A vacuum packaging method without rupture of membranes for middle square meat comprises placing the middle square meat on a bottom plastic packaging film; moving the bottom plastic packaging film and the middle square meat placed on the bottom plastic packaging film to a second working area; paving a first top layer plastic packaging film on the top surface of the middle square meat, attaching the first top layer plastic packaging film to a non-sharp area on the top surface of the middle square meat, and keeping a set distance between the first top layer plastic packaging film and the sharp area on the top surface of the middle square meat; a second top layer plastic packaging film is arranged above the first top layer plastic packaging film, and the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film are subjected to heat sealing at the positions around the middle square meat; and moving the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle square meat wrapped by the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle square meat into a third working area, wherein the atmospheric pressure in the third working area is greater than the atmospheric pressure in the second working area. And the second plastic packaging film is prevented from being punctured under the buffering and isolation effects of the first top plastic packaging film, so that the sealing effect of the plastic packaging film on the middle square meat is ensured.
Description
Technical Field
The invention relates to a packaging technology of middle square meat, in particular to a film-breaking-free vacuum packaging method for the middle square meat.
Background
The existing automatic packaging machine technology can carry out totally-enclosed vacuum packaging on flexible non-spine meat, but rib rows exist on the top surface of the middle square meat, sharp parts of the rib rows are easy to scratch the vacuum packaging bag, so that the automatic packaging machine cannot vacuumize a plastic packaging film, and packaging fails; under the condition, only the artificial plastic film can be relied on, or sharp parts of rib rows in square meat in polishing are cut off, and then packaging is carried out, so that the packaging procedure is increased, the artificial input amount is increased, and the packaging efficiency of a meat packaging chain is affected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a film-breaking-free vacuum packaging method for middle square meat, which aims to prevent a plastic packaging film from being pierced by sharp parts of rib rows in the middle square meat and ensure the tightness of a sealing space formed by the plastic packaging film.
A vacuum packaging method without rupture of membranes for medium square meat comprises the following steps:
step 1: the middle square meat is horizontally placed on the bottom plastic packaging film in the first working area;
step 2: moving the bottom plastic packaging film and the middle square meat placed on the bottom plastic packaging film to a second working area;
step 3: paving a first top layer plastic packaging film on the top surface of the middle square meat, attaching the first top layer plastic packaging film to a non-sharp area on the top surface of the middle square meat, and keeping a set distance between the first top layer plastic packaging film and the sharp area on the top surface of the middle square meat;
step 4: a second top layer plastic packaging film is arranged above the first top layer plastic packaging film, and the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film are subjected to heat sealing at the positions around the middle square meat, so that independent sealing spaces are formed among the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film;
step 5: and moving the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle square meat wrapped by the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle square meat into a third working area, wherein the atmospheric pressure in the third working area is greater than the atmospheric pressure in the second working area.
The method further comprises the following steps: paving a first top layer plastic packaging film on the top surface of the middle square meat, wherein the first top layer plastic packaging film comprises the following concrete steps: and heating and pressing the first top plastic packaging film to the top surface of the middle square meat by the self-adaptive allosteric device.
The method further comprises the following steps: the self-adaptive allosteric device comprises telescopic rods which are distributed in a rectangular array, the telescopic rods are vertically arranged, the lower ends of the telescopic rods are telescopic ends, heating blocks are fixedly connected to the lower end heads of the telescopic rods, the heating blocks are heated and softened after contacting with the first top layer plastic package film, then the telescopic rods corresponding to non-sharp areas are stretched, the heating blocks are used for attaching the first top layer plastic package film to the non-sharp areas on the top surface of the middle square meat, and meanwhile the telescopic rods corresponding to the sharp areas are stretched, and the first top layer plastic package film is close to the sharp areas on the top surface of the middle square meat.
The method further comprises the following steps: the telescopic links are all provided with force sensor, and force sensor is used for the effort between real-time supervision telescopic link and the well square meat, when pasting first top layer plastic envelope membrane and non-sharp-pointed region, makes the effort between telescopic link and the well square meat keep in the settlement within range.
The method further comprises the following steps: the density of the heating blocks is greater than 2 per square centimeter.
The method further comprises the following steps: the steps of obtaining the sharp region and the non-sharp region are:
step 3.1: scanning the top surface of the middle square meat to obtain the top surface contour of the middle square meat;
step 3.2: the sharp points are found out from the top surface profile and the area around the sharp points is divided into sharp areas, with the other areas in the top surface profile being non-sharp areas.
The method further comprises the following steps: representing the height distribution of each point in the top surface profile as，
Wherein->And->Is the space coordinates of each point in the middle square meat, < >>And->Is spatial frequency, +.>Amplitude, & gt>Is the phase angle;
then, the height trend of each point in the top surface profile is，/>The method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>Is normal vector on top profile, +.>Is->Go up->Point edge->Curvature at;
when A < >When < B, then determine the current point as a sharp point。
The invention has the beneficial effects that: through laminating first top layer plastic envelope membrane on the top surface of well square meat earlier to make first top layer plastic envelope membrane give way to sharp point on the well square meat top surface, when second floor plastic envelope membrane and well square meat carry out the laminating, the regional pad of giving way of first top layer plastic envelope membrane is established between sharp pad and second floor plastic envelope membrane and is played buffering and isolation effect, thereby prevent sharp point on the well square meat top surface and puncture second floor plastic envelope membrane, prevent that the sealed space that forms between the plastic envelope membrane from being linked together with the external world, and then guarantee the sealed effect of plastic envelope membrane to well square meat.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 shows an adaptive allosteric device according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention. The terms left, middle, right, upper, lower, etc. in the embodiments of the present invention are merely relative concepts or references to the normal use state of the product, and should not be construed as limiting.
A film-breaking-free vacuum packaging method for medium meat, as shown in figure 1, comprises the following steps:
step 1: the middle square meat is horizontally placed on the bottom plastic packaging film in the first working area, and the rib row of the middle square meat faces upwards;
step 2: moving the bottom plastic packaging film and the middle square meat placed on the bottom plastic packaging film to a second working area;
step 3: paving a first top layer plastic packaging film on the top surface of the middle square meat, attaching the first top layer plastic packaging film to a non-sharp area on the top surface of the middle square meat, and keeping a set distance between the first top layer plastic packaging film and the sharp area on the top surface of the middle square meat, namely keeping the first top layer plastic packaging film and the sharp area in a non-contact state;
the steps of obtaining the sharp region and the non-sharp region are:
step 3.1: scanning the top surface of the middle square meat by a line laser camera to obtain the top surface profile of the middle square meat;
step 3.2: finding out sharp points from the top surface profile, dividing the area around the sharp points into sharp areas, and taking other areas in the top surface profile as non-sharp areas;
wherein the height distribution of each point in the top surface profile is expressed asWherein the top surface profile can be seen as a number of basic wave formations, namely:
wherein->And->Is the space coordinates of each point in the middle square meat, < >>And->Is spatial frequency, +.>Amplitude, & gt>Is the phase angle;
then, the height trend of each point in the top surface profile is，/>The method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>Is normal vector on top profile, +.>Is->Go up->Point edge->Curvature at;
when A < >When the current point is less than B, judging that the current point is a sharp point;
step 4: a second top layer plastic packaging film is arranged above the first top layer plastic packaging film, and the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film are subjected to heat sealing at positions around the middle square meat, so that the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film form independent sealing spaces, and the middle square meat is positioned in the sealing spaces between the bottom layer plastic packaging film and the first top layer plastic packaging film;
step 5: and moving the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle meat wrapped by the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle meat to a third working area, wherein the atmospheric pressure in the third working area is greater than the atmospheric pressure in the second working area, so that the bottom plastic packaging film, the first top plastic packaging film and the second top plastic packaging film are wrapped on the middle meat, the atmospheric pressure in the first working area is the same as the atmospheric pressure in the second working area or the atmospheric pressure in the third working area, and the atmospheric pressure in the third working area is the atmospheric pressure in daily life of people.
Wherein, lay first top layer plastic envelope membrane on the top surface of well square meat, specifically: heating and pressing the first top plastic packaging film to the top surface of the middle square meat by a self-adaptive allosteric device; as shown in fig. 2, the self-adaptive allosteric device comprises telescopic rods 1 distributed in a rectangular array, the telescopic rods 1 are vertically arranged, the lower ends of the telescopic rods are telescopic ends, heating blocks 2 are fixedly connected to the lower end heads of the telescopic rods 1, the heating blocks are spheres in the embodiment, the occupied area of the heating blocks in a horizontal plane is larger than the area of the top surface contour of the middle square meat, and after the telescopic rods 1 perform self-adaptive allosteric, the heating blocks can be completely fitted with the top surface contour, so that the first top plastic package film can be completely fitted with the top surface contour of the middle square meat; the heating block is heated and softened after contacting the first top layer plastic packaging film, the heating temperature is equal to 60% of the bearing heat of the plastic packaging film, the plastic packaging film is made to have stretchable flexibility, and the density of the heating block is more than 2 pieces per square centimeter in order to improve the heating effect of the heating block on the first top layer plastic packaging film; and then stretching the telescopic rod corresponding to the non-sharp area and enabling the heating block to attach the first top layer plastic packaging film to the non-sharp area on the top surface of the middle square meat, and simultaneously stretching the telescopic rod corresponding to the sharp area and enabling the first top layer plastic packaging film to be close to the sharp area on the top surface of the middle square meat. According to the obtained sharp area and non-sharp area of the middle meat, the contour height distribution information of the middle meat scanned by the line laser is combined, related information is transmitted to the telescopic rod device, the telescopic rod adjusts the length of the telescopic rod at the corresponding position according to the obtained contour height distribution information, and the telescopic rod is changed into a shape conforming to the contour of the top surface according to the received signal data.
The telescopic rods are respectively provided with a force sensor, the force sensors are used for monitoring acting force between the telescopic rods and the middle square meat in real time, and the acting force between the telescopic rods and the middle square meat is kept within a set range when the first top plastic packaging film is attached to the non-sharp area; when the heating block is used for pressing the plastic packaging film, the value of the force sensor can change linearly, when the first top layer plastic packaging film touches the middle square meat, the value of the force sensor is stepped, after the telescopic rod continues to stretch, the value of the force sensor can change linearly, and when the value of the force sensor reaches a set safety range, the first top layer plastic packaging film is judged to be attached to the middle square meat. The self-adaptive allosteric device further comprises a lifting mechanism 3, the top of the cylinder body of the telescopic rod 1 is fixedly connected to the bottom surface of the base plate 4, the base plate 4 is driven by the lifting mechanism 3 to lift and move, when the telescopic rod 1 is required to be far away from the middle square meat, the lifting mechanism 3 drives the base plate 4 to lift, so that the telescopic rod 1 is lifted, and a first top layer plastic packaging film or a second top layer plastic packaging film is conveniently paved above the middle square meat.
In addition, the expansion amount of the corresponding expansion rod is set according to the height distribution of each point in the profile of the top surface, in order to avoid scanning analysis errors, the first top layer plastic packaging film avoids sharp points in a non-sharp area, when the numerical value change rate of the force sensor is larger than a set first safety threshold, the corresponding expansion rod is indicated to be abutted against the bone or the tip, the difference value between the numerical value of the force sensor and the minimum numerical value in other adjacent force sensors is calculated, when the difference value is larger than a second safety threshold, the point corresponding to the corresponding expansion rod in the non-sharp area is used as the sharp point, and a new sharp area is set by the sharp point.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A film-breaking-free vacuum packaging method for medium meat is characterized by comprising the following steps of: the method comprises the following steps:
step 1: the middle square meat is horizontally placed on the bottom plastic packaging film in the first working area;
step 2: moving the bottom plastic packaging film and the middle square meat placed on the bottom plastic packaging film to a second working area;
step 3: paving a first top layer plastic packaging film on the top surface of the middle square meat, attaching the first top layer plastic packaging film to a non-sharp area on the top surface of the middle square meat, and keeping a set distance between the first top layer plastic packaging film and the sharp area on the top surface of the middle square meat;
step 4: a second top layer plastic packaging film is arranged above the first top layer plastic packaging film, and the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film are subjected to heat sealing at the positions around the middle square meat, so that independent sealing spaces are formed among the bottom layer plastic packaging film, the first top layer plastic packaging film and the second top layer plastic packaging film;
step 5: and moving the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle square meat wrapped by the bottom plastic packaging film, the first top plastic packaging film, the second top plastic packaging film and the middle square meat into a third working area, wherein the atmospheric pressure in the third working area is greater than the atmospheric pressure in the second working area.
2. The film-breaking-free vacuum packaging method for medium meat as set forth in claim 1, wherein: paving a first top layer plastic packaging film on the top surface of the middle square meat, wherein the first top layer plastic packaging film comprises the following concrete steps: and heating and pressing the first top plastic packaging film to the top surface of the middle square meat by the self-adaptive allosteric device.
3. The film-breaking-free vacuum packaging method for medium meat as set forth in claim 2, wherein: the self-adaptive allosteric device comprises telescopic rods which are distributed in a rectangular array, the telescopic rods are vertically arranged, the lower ends of the telescopic rods are telescopic ends, heating blocks are fixedly connected to the lower end heads of the telescopic rods, the heating blocks are heated and softened after contacting with the first top layer plastic package film, then the telescopic rods corresponding to non-sharp areas are stretched, the heating blocks are used for attaching the first top layer plastic package film to the non-sharp areas on the top surface of the middle square meat, and meanwhile the telescopic rods corresponding to the sharp areas are stretched, and the first top layer plastic package film is close to the sharp areas on the top surface of the middle square meat.
4. A film-breaking-free vacuum packaging method for medium meat as set forth in claim 3, wherein: the telescopic links are all provided with force sensor, and force sensor is used for the effort between real-time supervision telescopic link and the well square meat, when pasting first top layer plastic envelope membrane and non-sharp-pointed region, makes the effort between telescopic link and the well square meat keep in the settlement within range.
5. A film-breaking-free vacuum packaging method for medium meat as set forth in claim 3, wherein: the density of the heating blocks is greater than 2 per square centimeter.
6. The film-breaking-free vacuum packaging method for medium meat as set forth in claim 1, wherein: the steps of obtaining the sharp region and the non-sharp region are:
step 3.1: scanning the top surface of the middle square meat to obtain the top surface contour of the middle square meat;
step 3.2: the sharp points are found out from the top surface profile and the area around the sharp points is divided into sharp areas, with the other areas in the top surface profile being non-sharp areas.
7. The film-breaking-free vacuum packaging method for medium meat as set forth in claim 6, wherein: representing the height distribution of each point in the top surface profile as，
Wherein->And->Is the space coordinates of each point in the middle square meat, < >>And->Is spatial frequency, +.>Amplitude, & gt>Is the phase angle;
then, the height trend of each point in the top surface profile is，/>The method comprises the steps of carrying out a first treatment on the surface of the Wherein (1)>Is normal vector on top profile, +.>Is->Go up->Point edge->Curvature at;
when A < >And when the current point is less than B, judging that the current point is a sharp point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410009422.9A CN117508744B (en) | 2024-01-04 | 2024-01-04 | Film-breaking-free vacuum packaging method for medium square meat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410009422.9A CN117508744B (en) | 2024-01-04 | 2024-01-04 | Film-breaking-free vacuum packaging method for medium square meat |
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| CN117508744A true CN117508744A (en) | 2024-02-06 |
| CN117508744B CN117508744B (en) | 2024-04-05 |
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| CN202410009422.9A Active CN117508744B (en) | 2024-01-04 | 2024-01-04 | Film-breaking-free vacuum packaging method for medium square meat |
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|---|---|---|---|---|
| US3890761A (en) * | 1973-10-17 | 1975-06-24 | Du Pont | Vacuum skin packaging method |
| US4136203A (en) * | 1976-07-08 | 1979-01-23 | Swift & Company | Meat packaging |
| US4910033A (en) * | 1988-05-13 | 1990-03-20 | W. R. Grace & Co. | Vacuum skin packages with reduced product discoloration |
| EP2055651A1 (en) * | 2007-10-30 | 2009-05-06 | Cryovac, Inc. | Improved self-life vacuum skin packaging |
| CN101492110A (en) * | 2008-01-23 | 2009-07-29 | 科伍德有限公司 | Vacuum skin packaging laminate, package and process for using same |
| EP3168032A1 (en) * | 2015-11-13 | 2017-05-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Joining device and joining method |
| CN210527311U (en) * | 2019-08-23 | 2020-05-15 | 上海紫江彩印包装有限公司 | Bag making film and heat sealing device |
| CN111559545A (en) * | 2020-05-27 | 2020-08-21 | 诸暨太合包装材料有限公司 | Fragile article packing of arbitrary shape |
| CN111674618A (en) * | 2020-06-16 | 2020-09-18 | 谢传淞 | Full-automatic film sealing and cutting packaging machine |
| CN117068495A (en) * | 2023-08-08 | 2023-11-17 | 泰安市海之润食品有限公司 | Packaging and adjusting device and method for soft cans of blocky bones |
| CN117262328A (en) * | 2023-09-08 | 2023-12-22 | 聂旗 | Durian packing apparatus |
-
2024
- 2024-01-04 CN CN202410009422.9A patent/CN117508744B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3890761A (en) * | 1973-10-17 | 1975-06-24 | Du Pont | Vacuum skin packaging method |
| US4136203A (en) * | 1976-07-08 | 1979-01-23 | Swift & Company | Meat packaging |
| US4910033A (en) * | 1988-05-13 | 1990-03-20 | W. R. Grace & Co. | Vacuum skin packages with reduced product discoloration |
| EP2055651A1 (en) * | 2007-10-30 | 2009-05-06 | Cryovac, Inc. | Improved self-life vacuum skin packaging |
| CN101492110A (en) * | 2008-01-23 | 2009-07-29 | 科伍德有限公司 | Vacuum skin packaging laminate, package and process for using same |
| EP3168032A1 (en) * | 2015-11-13 | 2017-05-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Joining device and joining method |
| CN210527311U (en) * | 2019-08-23 | 2020-05-15 | 上海紫江彩印包装有限公司 | Bag making film and heat sealing device |
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| CN111674618A (en) * | 2020-06-16 | 2020-09-18 | 谢传淞 | Full-automatic film sealing and cutting packaging machine |
| CN117068495A (en) * | 2023-08-08 | 2023-11-17 | 泰安市海之润食品有限公司 | Packaging and adjusting device and method for soft cans of blocky bones |
| CN117262328A (en) * | 2023-09-08 | 2023-12-22 | 聂旗 | Durian packing apparatus |
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| Publication number | Publication date |
|---|---|
| CN117508744B (en) | 2024-04-05 |
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