CN112810280A - Cushion pad for pressing process by laser cutting - Google Patents

Cushion pad for pressing process by laser cutting Download PDF

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Publication number
CN112810280A
CN112810280A CN202110161039.1A CN202110161039A CN112810280A CN 112810280 A CN112810280 A CN 112810280A CN 202110161039 A CN202110161039 A CN 202110161039A CN 112810280 A CN112810280 A CN 112810280A
Authority
CN
China
Prior art keywords
layer
plate
cushion pad
laser cutting
sticking
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
Application number
CN202110161039.1A
Other languages
Chinese (zh)
Inventor
王铁
赵喜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Huanyuchang Electronic Technology Co ltd
Original Assignee
Henan Huanyuchang Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Huanyuchang Electronic Technology Co ltd filed Critical Henan Huanyuchang Electronic Technology Co ltd
Priority to CN202110161039.1A priority Critical patent/CN112810280A/en
Publication of CN112810280A publication Critical patent/CN112810280A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention discloses a cushion pad for a pressing process by adopting laser cutting, which comprises a cushion pad, a first anti-sticking layer fixedly covered on the first surface of the cushion pad, and a second anti-sticking layer fixedly covered on the second surface of the cushion pad, wherein at least one positioning hole formed by cutting in a laser cutting mode is further arranged on the cushion pad, the first anti-sticking layer and the second anti-sticking layer, and the positioning hole penetrates through the first anti-sticking layer, the cushion pad and the second anti-sticking layer. When the cushion plate is used, the cushion plate can achieve the effects of elastic buffering, uniform pressurization or heating and the like. Through setting up the antiseized layer of first antiseized layer and second, can play the effect of preventing the viscose adhesion. The mode through adopting laser cutting cuts the blotter and forms the locating hole, compares in stamping forming's locating hole, and its pore wall is level and smooth more and more regular, also can not lead to the fact the damage to the buffer board is whole in cutting process, and final fashioned blotter also can not have the scheduling problem of falling bits, can improve product yield and reduction in manufacturing cost greatly.

Description

Cushion pad for pressing process by laser cutting
Technical Field
The invention relates to the field of lamination processes, in particular to a cushion pad for a lamination process by adopting laser cutting.
Background
In the process of solar hot press molding or hot press molding of a printed circuit board, a cushion pad is usually required to be arranged between a pressing die and a board to be pressed in order to achieve the purpose of uniform pressing or heating. Meanwhile, in order to achieve a better positioning effect, a positioning hole is usually formed in the cushion pad.
When setting up the locating hole, among the prior art, adopt the mode shaping locating hole that punches a hole usually, and the mode that punches a hole causes the blotter to damage easily, and the hole shape of punching a hole is not conform to the requirement, and the content of punching a hole easily produces the piece, still causes the bumpy surface of blotter easily, causes certain influence to the use of later stage blotter.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cushion pad for a lamination process by adopting laser cutting.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an adopt laser cutting's blotter for lamination process, this blotter includes the backing plate, fixed cover locate the first antiseized layer of this backing plate first face, fixed cover locate the antiseized layer of second of this backing plate second face, still is equipped with the at least one locating hole that adopts the laser cutting mode cutting shaping on this backing plate, the antiseized layer of first antiseized layer and the antiseized layer of second, and this locating hole runs through this antiseized layer of first antiseized layer, backing plate and second.
In the cushion pad for the lamination process by adopting laser cutting, the cushion pad is a glass fiber board, a resin board, a felt board, a rubber board or an engineering plastic board;
or the base plate is a composite plate formed by compounding at least two of a glass fiber plate, a resin plate, a felt plate, a rubber plate and an engineering plastic plate.
In the cushion pad for the lamination process by adopting laser cutting, the first anti-sticking layer is a first non-woven fabric layer, the outer side surface and/or the inner side surface of the first non-woven fabric layer are/is coated or soaked with anti-sticking coatings, and the inner side surface of the first non-woven fabric layer is fixedly bonded with the first surface of the cushion plate;
or the first anti-sticking layer is a first textile fabric layer, the outer side surface and/or the inner side surface of the first textile fabric layer are/is coated or soaked with anti-sticking coatings, and the inner side surface of the first textile fabric layer is fixedly bonded with the first surface of the backing plate.
In the cushion pad for the lamination process by adopting laser cutting, the second anti-sticking layer is a second non-woven fabric layer, the outer side surface and/or the inner side surface of the second non-woven fabric layer are/is coated or soaked with anti-sticking coatings, and the inner side surface of the second non-woven fabric layer is fixedly bonded with the second surface of the cushion pad;
or the second anti-sticking layer is a second textile fabric layer, the outer side surface and/or the inner side surface of the second textile fabric layer are/is coated or soaked with anti-sticking coatings, and the inner side surface of the second textile fabric layer is fixedly bonded with the second surface of the backing plate.
In the cushion pad for the lamination process by using laser cutting, the first anti-sticking layer is a first Teflon cloth layer, and the second anti-sticking layer is a second Teflon cloth layer.
In the cushion pad for the pressing process by adopting laser cutting, the first anti-sticking layer comprises a first fabric layer and a first film layer adhered to the inner side surface of the first fabric layer, the outer side surface of the first fabric layer is coated with a Teflon coating, and the first film layer is adhered to the cushion plate;
the second anti-sticking layer comprises a second fabric layer and a second thin film layer stuck to the inner side face of the second fabric layer, a Teflon coating is coated on the outer side face of the second fabric layer, and the second thin film layer is stuck to the base plate.
In the cushion pad for the pressing process by adopting laser cutting, the cushion pad is a polygonal cushion pad or a circular cushion pad, and the first anti-sticking layer and the second anti-sticking layer have the same shape and size with the cushion pad.
In the cushion pad for the press-fitting process by adopting laser cutting, the wall of the positioning hole is coated with a lubricant.
In the cushion pad for the pressing process by adopting laser cutting, the lubricant is a release agent or silicone oil.
In the cushion pad for the press-fitting process by laser cutting, the positioning hole is a circular hole, a polygonal hole or a strip-shaped hole.
The buffer pad for the lamination process by adopting laser cutting has the following beneficial effects: when the cushion pad for the press-fit process adopting laser cutting is used, the cushion pad can play the effects of elastic buffering, uniform pressurization or heating and the like in the press-fit molding process of the circuit board by arranging the cushion pad. Through set up first antiseized layer and the antiseized layer of second respectively outermost at the blotter, can play and prevent the effect of circuit board pressfitting molding in-process viscose adhesion on the blotter. The mode through adopting laser cutting cuts the blotter and forms the locating hole, compares in stamping forming's locating hole, and its pore wall is level and smooth more and more regular, also can not lead to the fact the damage to the buffer board is whole in cutting process, and final fashioned blotter also can not have the scheduling problem of falling bits, can improve product yield and reduction in manufacturing cost greatly.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view showing the structure of a cushion pad for a lamination process using laser cutting according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, in the first embodiment of the cushion pad for lamination process using laser cutting according to the present invention, the cushion pad 100 includes a backing plate 101, a first anti-sticking layer 102 fixedly attached to a first surface of the backing plate 101, and a second anti-sticking layer 103 fixedly attached to a second surface of the backing plate 101, wherein at least one positioning hole 104 cut by laser cutting is further disposed on the backing plate 101, the first anti-sticking layer 102, and the second anti-sticking layer 103, and the positioning hole 104 penetrates through the first anti-sticking layer 102, the backing plate 101, and the second anti-sticking layer 103.
Preferably, the cushion 100 is used in a molding press process for printed circuit boards. In other embodiments, the cushion 100 can also be used in a molding and pressing process for solar cells or other materials.
It will be appreciated that the shape of the registration holes 104 may be cut as desired. For example, the positioning holes 104 are circular holes, polygonal holes, or bar-shaped holes. The location and shape of the locating holes 104 can be set according to the pin locations and shapes on the circuit board.
For the heat conduction and elastic buffer effect, the pad plate 101 is made of a material with heat conduction and elasticity. Preferably, the backing plate 101 is a glass fiber plate, a resin plate, a felt plate, a rubber plate or an engineering plastic plate. In other embodiments, the backing plate 101 may also be a composite plate formed by combining multiple materials. Such as a composite board formed by compounding at least two of a glass fiber board, a resin board, a felt board, a rubber board and an engineering plastic board. Such as: the glass fiber board and the resin board are bonded and hot pressed to form the composite board.
In one embodiment, the first release layer 102 is a first nonwoven fabric layer coated or impregnated with a teflon coating on the outer and/or inner side, and the inner side of the first nonwoven fabric layer is fixedly bonded to the first surface of the mat 101.
Or, the first anti-sticking layer 102 is a first textile fabric layer, the outer side surface and/or the inner side surface of the first textile fabric layer is coated or impregnated with a teflon coating, and the inner side surface of the first textile fabric layer is fixedly bonded with the first surface of the backing plate 101.
In another embodiment, the second release layer 103 is a second nonwoven layer coated or impregnated with a teflon coating on the outside and/or inside, and the inside of the second nonwoven layer is fixedly bonded to the second side of the pallet 101.
Or, the second anti-sticking layer 103 is a second textile fabric layer, the outer side and/or the inner side of the second textile fabric layer is coated or impregnated with a teflon coating, and the inner side of the second textile fabric layer is fixedly bonded with the second surface of the backing plate 101.
In another embodiment, the first release layer 102 is a first Teflon cloth layer and the second release layer 103 is a second Teflon cloth layer.
In another embodiment, the first anti-sticking layer 102 includes a first fabric layer and a first film layer adhered to an inner side of the first fabric layer, the outer side of the first fabric layer is coated with a teflon coating, and the first film layer is adhered to the backing plate 101. The second anti-sticking layer 103 comprises a second fabric layer and a second film layer stuck on the inner side of the second fabric layer, the outer side of the second fabric layer is coated with a teflon coating, and the second film layer is stuck with the backing plate 101.
Preferably, the first and second release layers 102 and 103 are first and second heat-resistant release layers.
It is understood that the backing plate 101 is a polygonal backing plate 101 or a circular backing plate 101, and the first and second release layers 102 and 103 have the same shape and size as the backing plate 101.
Furthermore, in order to prevent chips from falling from the positioning hole 104, a lubricant is coated on the wall of the positioning hole 104. Preferably, the lubricant is a release agent or silicone oil.
When the cushion pad 100 for the press-fit process adopting laser cutting is used, the cushion pad 101 is arranged, so that the cushion pad 101 can achieve the effects of elastic buffering, uniform pressurization and the like in the press-fit molding process of the circuit board. The first anti-sticking layer 102 and the second anti-sticking layer 103 are respectively arranged on the outermost layers of the cushion pad 100, so that the function of preventing the adhesion of the viscose glue on the cushion pad 100 in the process of laminating and molding the circuit board can be realized. Cutting the blotter 100 through the mode that adopts laser cutting forms locating hole 104, compare in stamping forming's locating hole 104, its pore wall is more level and smooth and more regular, also can not lead to the fact the damage to the buffer board is whole in cutting process, and final fashioned blotter 100 also can not have the scheduling problem of falling bits, can improve product yield and reduction in manufacturing cost greatly.
In addition, in the present invention, unless otherwise expressly specified or limited, the terms "connected," "stacked," and the like are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides an adopt laser cutting's blotter for pressfitting technology, its characterized in that, blotter (100) include backing plate (101), fixed cover locate first antiseized layer (102) of backing plate (101) first face, fixed cover locate antiseized layer (103) of second of backing plate (101) second face, still be equipped with on backing plate (101), first antiseized layer (102) and the antiseized layer (103) of second and adopt laser cutting mode cutting fashioned at least one locating hole (104), locating hole (104) run through antiseized layer (102), backing plate (101) and antiseized layer (103) of second.
2. The cushion pad for a press-fitting process using laser cutting as claimed in claim 1, wherein the backing plate (101) is a glass fiber plate, a resin plate, a felt plate, a rubber plate or an engineering plastic plate;
or the base plate (101) is a composite plate formed by compounding at least two of a glass fiber plate, a resin plate, a felt plate, a rubber plate and an engineering plastic plate.
3. The cushion pad for a lamination process by laser cutting as claimed in claim 1 or 2, wherein the first release layer (102) is a first nonwoven fabric layer, the outer side and/or inner side of the first nonwoven fabric layer is coated or impregnated with a release coating, and the inner side of the first nonwoven fabric layer is fixedly bonded with the first surface of the backing plate (101);
or the first anti-sticking layer (102) is a first woven fabric layer, the outer side face and/or the inner side face of the first woven fabric layer are/is coated with an anti-sticking coating or is soaked in the anti-sticking coating, and the inner side face of the first woven fabric layer is fixedly bonded with the first face of the backing plate (101).
4. The cushion pad for a lamination process by laser cutting as claimed in claim 1 or 2, wherein the second release layer (103) is a second non-woven fabric layer, the outer side and/or inner side of the second non-woven fabric layer is coated or impregnated with a release coating, and the inner side of the second non-woven fabric layer is fixedly bonded with the second surface of the backing plate (101);
or the second anti-sticking layer (103) is a second woven fabric layer, the outer side face and/or the inner side face of the second woven fabric layer are/is coated or soaked with anti-sticking coatings, and the inner side face of the second woven fabric layer is fixedly bonded with the second face of the backing plate (101).
5. The cushion pad for press-fitting process using laser cutting according to claim 1 or 2, wherein the first anti-sticking layer (102) is a first Teflon cloth layer, and the second anti-sticking layer (103) is a second Teflon cloth layer.
6. The cushion pad for the pressing process by laser cutting according to claim 1 or 2, wherein the first anti-sticking layer (102) comprises a first cloth layer and a first film layer adhered on the inner side of the first cloth layer, the outer side of the first cloth layer is coated with a teflon coating, and the first film layer is adhered to the cushion plate (101);
the second anti-sticking layer (103) comprises a second fabric layer and a second thin film layer adhered to the inner side of the second fabric layer, a Teflon coating is coated on the outer side of the second fabric layer, and the second thin film layer is adhered to the base plate (101).
7. The cushion pad for press-fitting process using laser cutting according to claim 1, wherein the pad plate (101) is a polygonal pad plate or a circular pad plate, and the first and second anti-sticking layers (102, 103) have the same shape and size as the pad plate (101).
8. The cushion pad for press-fitting process using laser cutting as claimed in claim 1, wherein the wall of the positioning hole (104) is coated with a lubricant.
9. The cushion pad for a press-fitting process using laser cutting as claimed in claim 8, wherein the lubricant is a release agent or silicone oil.
10. The cushion pad for press-fitting process using laser cutting as claimed in claim 1, wherein the positioning hole (104) is a circular hole, a polygonal hole or a bar-shaped hole.
CN202110161039.1A 2021-02-05 2021-02-05 Cushion pad for pressing process by laser cutting Pending CN112810280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110161039.1A CN112810280A (en) 2021-02-05 2021-02-05 Cushion pad for pressing process by laser cutting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110161039.1A CN112810280A (en) 2021-02-05 2021-02-05 Cushion pad for pressing process by laser cutting

Publications (1)

Publication Number Publication Date
CN112810280A true CN112810280A (en) 2021-05-18

Family

ID=75861749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110161039.1A Pending CN112810280A (en) 2021-02-05 2021-02-05 Cushion pad for pressing process by laser cutting

Country Status (1)

Country Link
CN (1) CN112810280A (en)

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