CN117429037A - Anesthesia air storage bag with integrally extruded bag neck and bag body and hollow molding and production process thereof - Google Patents
Anesthesia air storage bag with integrally extruded bag neck and bag body and hollow molding and production process thereof Download PDFInfo
- Publication number
- CN117429037A CN117429037A CN202311249875.0A CN202311249875A CN117429037A CN 117429037 A CN117429037 A CN 117429037A CN 202311249875 A CN202311249875 A CN 202311249875A CN 117429037 A CN117429037 A CN 117429037A
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- Prior art keywords
- bag
- equipment
- neck
- forming die
- air storage
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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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- 238000003860 storage Methods 0.000 title claims abstract description 27
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 25
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 title description 16
- 239000000463 material Substances 0.000 claims abstract description 41
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000000071 blow moulding Methods 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 6
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 239000002775 capsule Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 230000003444 anaesthetic effect Effects 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 3
- 239000005060 rubber Substances 0.000 abstract description 3
- 238000007598 dipping method Methods 0.000 abstract description 2
- 210000003739 neck Anatomy 0.000 description 47
- 238000004321 preservation Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 238000012925 biological evaluation Methods 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 230000000172 allergic effect Effects 0.000 description 2
- 208000010668 atopic eczema Diseases 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 206010040880 Skin irritation Diseases 0.000 description 1
- 206010070835 Skin sensitisation Diseases 0.000 description 1
- 231100000899 acute systemic toxicity Toxicity 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000003994 anesthetic gas Substances 0.000 description 1
- 231100000263 cytotoxicity test Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000036556 skin irritation Effects 0.000 description 1
- 231100000475 skin irritation Toxicity 0.000 description 1
- 231100000370 skin sensitisation Toxicity 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0057—Pumps therefor
- A61M16/0078—Breathing bags
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4252—Auxiliary operations prior to the blow-moulding operation not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing means
- B29C49/60—Blow-needles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/70—Removing or ejecting blown articles from the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/72—Deflashing outside the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/78—Measuring, controlling or regulating
Abstract
The invention discloses an anesthesia air storage bag with integrally extruded and hollow bag neck and bag body and a production process thereof, comprising the following steps: 1) Adopting blow molding hollow forming equipment with a blanking control system wall thickness control system, and adjusting the wall thickness of the material required by each part of the anesthesia air storage bag on the equipment; 2) Installing a required forming die, adjusting the positions of the forming die and a blowing needle of equipment, starting blow molding equipment according to set equipment parameters, clamping the blank by the forming die after the length of the blank reaches the set parameters, cutting off the blank by a cutter of the equipment, enabling the pressure in a bag to be larger than the pressure outside the bag, accumulating the pressed material at the position of a bag neck, opening the forming die, taking out the product, tearing off the redundant material by hands, and basically finishing the product, namely carrying out subsequent works such as product inspection, packaging and the like. The invention has the advantages that: the method effectively avoids the characteristics of multiple investment of the traditional rubber plastic dipping and vulcanizing process into a mold (a female mold and a sub mold), low production efficiency, low finished product qualification rate, high manufacturing cost and large environmental pollution.
Description
Technical Field
The invention relates to the technical field of anesthesia gas storage bags, in particular to an anesthesia gas storage bag formed by integrally extruding a bag neck and a bag body and a production process thereof.
Background
The anesthesia breathing air bag commonly used in clinic consists of a 22mm standard connector and a bag body, wherein the 22mm standard connector is formed by PVC injection molding, the bag body is made of natural latex or synthetic rubber dip molding, and the two are wound and fixed by a multi-purpose adhesive tape. The combined and assembled structure of the bag neck and the bag body has the risks of leakage of the combined part, falling of the bag neck and the like. At present, most of the bag necks are rigid or semi-rigid, the matching degree of joints matched with equipment is high, and if some deviation occurs in the size of the bag neck, the possibility that the anesthesia air storage bag in operation is separated from the equipment is high.
The capsule product prepared by the latex contains protein and has special latex-stimulated taste, so that a few people with allergic physique can be allergic in the process of using the latex balloon in operation, the preparation process is complex, the degree of mechanization is low, the environment is not protected, the cost is high, and the use is at risk.
The technical processes of the anesthesia air storage bag in the market at present are as follows: grinding, sizing, adding a curing agent, preheating a mold, immersing in a release agent, drying, immersing in the adhesive, vulcanizing, demolding, secondary vulcanizing, pickling, drying, appearance sorting and checking, fitting, leak detection, compliance detection and packaging into a warehouse.
The rubber dip plastic vulcanization process has the following defects: putting a plurality of dies (mother dies, sub dies); the production efficiency is low, and the qualification rate of finished products is low; the manufacturing cost is high; the environmental pollution is great.
Disclosure of Invention
The invention aims to solve the problems in the background technology and provides an anesthetic air storage bag with integrally extruded and hollow bag neck and bag body and a production process thereof.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the production process of the anesthesia air storage bag with the bag neck and the bag body integrally extruded and hollow formed comprises the following steps:
1) Adopting blow molding hollow forming equipment with a blanking control system wall thickness control system, and adjusting the wall thickness of the material required by each part of the anesthesia air storage bag on the equipment;
2) Installing a required forming die, adjusting the positions of the forming die and a blowing needle of equipment, starting blow molding equipment according to set equipment parameters, clamping the blank by the forming die after the length of the blank reaches the set parameters, cutting off the blank by an equipment cutter, moving the forming die to the position below the blowing needle, moving the blowing needle downwards and blowing air, pressing the blank in the die into a bag neck position when a blowing needle pressing section moves downwards to the position corresponding to the forming die, continuously blowing air by the blowing needle, accumulating the pressed material at the bag neck position because the pressure in the bag is greater than the pressure outside the bag, forming the pressed material with the plastic property due to the fact that the pressed material is still in contact with hot bad conductor materials, opening the forming die after the anesthesia bag is cooled, taking out the product, tearing off the redundant material by hand, basically manufacturing the product, and carrying out subsequent works such as product inspection, packaging and the like.
As a preferable scheme, the thickness setting basically follows the material setting required by each part of the capsule body, the capsule body part is thinner, and the capsule neck and the material pressing section part are thicker, so that the upper limit and the lower limit of the wall thickness regulation are provided for the existing wall thickness control system, and the material with the thickness required by the capsule neck can not be directly regulated.
The anesthetic air storage bag is manufactured by the production process that the bag neck and the bag body are integrally extruded and hollow.
The invention has the following advantages: the latex rubber material which is adopted by the traditional anesthesia air storage bag is effectively prevented from having certain toxicity to human body by adopting the high polymer material which accords with the biological evaluation of medical instruments; the bag neck is integrally formed with the bag body by adopting an extrusion blow hollow forming process, so that the production process is simplified, and the risks of leakage, falling-off of the bag neck and the like of a combined part in a traditional bag neck and bag body combined connection mode are effectively avoided; the whole anesthesia gas storage bag is manufactured by adopting a blow molding (hollow molding) process, so that the characteristics of multiple molds (female molds and sub molds) input in the traditional rubber dipping and vulcanizing process, low production efficiency, low finished product qualification rate, high manufacturing cost and large environmental pollution are effectively avoided.
Drawings
FIG. 1 is a schematic structural view of the production process of the present invention.
Fig. 2 is a partial enlarged view of the portion X in fig. 1.
The following figures are shown: 1. poor conductors or constant temperature (heat preservation) parts in the forming mold; 2. a forming die; 3. blowing needles; 4. an anesthetic gas reservoir product; 5. an annular protrusion.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the embodiments of the present invention, if a feature is referred to as being "disposed", "fixed", "connected" or "mounted" on another feature, it can be directly disposed, fixed or connected to the other feature or be indirectly disposed, fixed or connected or mounted on the other feature. In the description of the embodiments of the present invention, if "several" is referred to, it means more than one, if "multiple" is referred to, it is understood that the number is not included if "greater than", "less than", "exceeding", and it is understood that the number is included if "above", "below", "within" is referred to. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings.
Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Examples
The production process of the anesthesia air storage bag with the bag neck and the bag body integrally extruded and hollow formed comprises the following steps:
1) Adopting blow molding hollow forming equipment with a blanking control system wall thickness control system, and adjusting the wall thickness of the material required by each part of the anesthesia air storage bag on the equipment;
2) Installing a required forming die, adjusting the positions of the forming die and a blowing needle of equipment, starting blow molding equipment according to set equipment parameters, clamping the blank by the forming die after the length of the blank reaches the set parameters, cutting off the blank by an equipment cutter, moving the forming die to the position below the blowing needle, moving the blowing needle downwards and blowing air, pressing the blank in the die into a bag neck position when a blowing needle pressing section moves downwards to the position corresponding to the forming die, continuously blowing air by the blowing needle, accumulating the pressed material at the bag neck position because the pressure in the bag is greater than the pressure outside the bag, forming the pressed material with the plastic property due to the fact that the pressed material is still in contact with hot bad conductor materials, opening the forming die after the anesthesia bag is cooled, taking out the product, tearing off the redundant material by hand, basically manufacturing the product, and carrying out subsequent works such as product inspection, packaging and the like.
As a preferred implementation of this example, the thickness setting substantially follows the material settings required for each part of the bladder, the bladder is thinner, and the bladder neck and the material pressing section are thicker, so that the upper and lower limits of the wall thickness regulation are provided in the existing wall thickness control system, and the material thickness required for the bladder neck cannot be directly regulated.
The anesthetic air storage bag is manufactured by the production process that the bag neck and the bag body are integrally extruded and hollow.
When the invention is implemented, the invention has the advantages that:
1: the bag neck and the bag body are integrally formed, so that the risk of leakage and falling of the bag neck at the joint of the bag neck and the bag body is reduced.
2: the bag neck is an elastic bag neck, the size of the bag neck is slightly smaller than the size of a 22mm rigid or semi-rigid joint (the actual internal size of the bag neck is about 21 mm) specified in a conical joint first part conical head and conical sleeve of YY 1040.1 anesthesia and breathing equipment, the neck opening is chamfered, the bag neck is convenient to be led into and connected with other instruments, and the bag neck can be tightly matched with the 22mm rigid or semi-rigid joint meeting the requirement, so that the bag neck is suitable for most of the existing equipment on the market.
3: the anesthesia gas storage bag is made of high polymer plastic, and the material is detected according to the test method in GB/T16886.1 biological evaluation of medical instruments, and at least the items of in vitro cytotoxicity test, skin sensitization, skin irritation, acute systemic toxicity and pyrogen (including the test equivalent to the test items after standard updating) meet the standard requirements.
4: the anesthetic air storage bag is manufactured by adopting a blow molding (hollow molding) process, and the adopted blow molding equipment is required to comprise a blanking control system (wall thickness control system) for adjusting the wall thickness of materials at different parts of a molded blank.
5: the anesthesia air storage bag neck is manufactured by adopting an extrusion blow hollow molding process, the adopted molding die is formed by combining a molding die main body made of a conventional heat conduction material and a hot bad conductor or a constant temperature (heat preservation) part at the upper part of the bag neck, the molding die main body is made of a conventional heat conduction material, the molded anesthesia air storage bag can be better cooled and molded, the hot bad conductor adopted at the upper part of the bag neck can be used for better heat preservation of a material blank, and the subsequent bag neck can be conveniently molded.
6: the molding die is characterized in that the molding size of the cavity of the main body of the molding die made of the conventional heat conducting material is basically consistent with that of the air storage bag, and the size of the cavity of a hot poor conductor or a constant temperature (heat preservation) part at the upper part of the bag neck is not smaller than the outer size of the bag neck so as to facilitate the molding of the bag neck.
7: the adopted forming die has a circular bulge (about 0.5 mm) at the joint part of the main body of the forming die made of conventional heat conducting materials and a hot bad conductor or a constant temperature (heat preservation) part at the upper part of the bag neck, and can cut off redundant materials at the upper part of the bag neck after being matched with a blowing needle of blow molding equipment.
8: the blowing needle head part consists of a molding section at the lower end and a material pressing section at the upper end. The size of the material pressing section is slightly smaller than the size of the inner cavity of the hot poor conductor or the constant temperature (heat preservation) part at the upper part of the capsule neck of the forming die, and the material used for pressing the hot poor conductor or the material stored in the constant temperature (heat preservation) part at the upper part of the capsule neck of the forming die into the capsule neck; the size of the molding section is the inner diameter of the bag neck, and is used for molding the inner diameter of the bag neck; .
The product of the invention is detected according to the related test method in GB/T16886.1 biological evaluation of medical instruments, and the result is shown as follows:
when the process is specifically implemented, the process is not only used for manufacturing the anesthesia air storage bag, but also used for manufacturing other products, and belongs to the protection scope of the invention.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (3)
1. The production process of the anesthesia air storage bag with the bag neck and the bag body integrally extruded and hollow molded is characterized by comprising the following steps:
1) Adopting blow molding hollow forming equipment with a blanking control system wall thickness control system, and adjusting the wall thickness of the material required by each part of the anesthesia air storage bag on the equipment;
2) Installing a required forming die, adjusting the positions of the forming die and a blowing needle of equipment, starting blow molding equipment according to set equipment parameters, clamping the blank by the forming die after the length of the blank reaches the set parameters, cutting off the blank by an equipment cutter, moving the forming die to the position below the blowing needle, moving the blowing needle downwards and blowing air, pressing the blank in the die into a bag neck position when a blowing needle pressing section moves downwards to the position corresponding to the forming die, continuously blowing air by the blowing needle, accumulating the pressed material at the bag neck position because the pressure in the bag is greater than the pressure outside the bag, forming the pressed material with the plastic property due to the fact that the pressed material is still in contact with hot bad conductor materials, opening the forming die after the anesthesia bag is cooled, taking out the product, tearing off the redundant material by hand, basically manufacturing the product, and carrying out subsequent works such as product inspection, packaging and the like.
2. The process for producing the anesthetic air storage bag integrally extruded and hollow by the bag neck and the bag body according to claim 1, wherein the process comprises the following steps of: the thickness setting basically follows the material setting required by all parts of the capsule body, the capsule body part is thinner, and the capsule neck and the material pressing section part are thicker, so that the material with the thickness required by the capsule neck can not be directly adjusted because the existing wall thickness control system has the upper limit and the lower limit of wall thickness regulation.
3. An anesthetic air storage bag formed by integrally extruding and hollowing a bag neck and a bag body, which is characterized by being manufactured by adopting the production process according to any one of claims 1-2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311249875.0A CN117429037A (en) | 2023-09-26 | 2023-09-26 | Anesthesia air storage bag with integrally extruded bag neck and bag body and hollow molding and production process thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202311249875.0A CN117429037A (en) | 2023-09-26 | 2023-09-26 | Anesthesia air storage bag with integrally extruded bag neck and bag body and hollow molding and production process thereof |
Publications (1)
Publication Number | Publication Date |
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CN117429037A true CN117429037A (en) | 2024-01-23 |
Family
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Application Number | Title | Priority Date | Filing Date |
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CN202311249875.0A Pending CN117429037A (en) | 2023-09-26 | 2023-09-26 | Anesthesia air storage bag with integrally extruded bag neck and bag body and hollow molding and production process thereof |
Country Status (1)
Country | Link |
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CN (1) | CN117429037A (en) |
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2023
- 2023-09-26 CN CN202311249875.0A patent/CN117429037A/en active Pending
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