CN112339366A - Sheet building waterproofing membrane - Google Patents

Sheet building waterproofing membrane Download PDF

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Publication number
CN112339366A
CN112339366A CN202011254370.XA CN202011254370A CN112339366A CN 112339366 A CN112339366 A CN 112339366A CN 202011254370 A CN202011254370 A CN 202011254370A CN 112339366 A CN112339366 A CN 112339366A
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CN
China
Prior art keywords
layer
coiled material
material body
waterproofing membrane
building waterproofing
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
CN202011254370.XA
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Chinese (zh)
Inventor
章凎中
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.)
Zhejiang Weilun Building Material Co ltd
Original Assignee
Zhejiang Weilun Building Material 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 Zhejiang Weilun Building Material Co ltd filed Critical Zhejiang Weilun Building Material Co ltd
Priority to CN202011254370.XA priority Critical patent/CN112339366A/en
Publication of CN112339366A publication Critical patent/CN112339366A/en
Pending legal-status Critical Current

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    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/18—Layered products comprising a layer of metal comprising iron or steel
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/095—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyurethanes
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • B32B3/02—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 features of form at particular places, e.g. in edge regions
    • B32B3/08—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 features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • 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
    • B32B3/28—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 a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • 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
    • B32B3/30—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 a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • 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
    • B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
    • B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B9/041—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/665—Sheets or foils impervious to water and water vapor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • 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
    • B32B2419/00—Buildings or parts thereof

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Ceramic Engineering (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to the technical field of building materials, in particular to a sheet building waterproof coiled material which comprises a coiled material body, wherein the coiled material body is of a rectangular or square structure; the periphery of the lower end of the coiled material body is fixedly provided with a fixing component; the fixing assembly comprises a pressing strip, a sealing groove, a positioning strip and a self-adhesive layer; the lower terminal surface of locating band set up the self-adhesive layer, the locating band paste through the self-adhesive layer and set up on the ground surface, the locating band up end on set up the seal groove along length direction, coiled material body lower extreme all fixed layering all around, layering lower extreme along length direction on the fixed sealing strip that sets up, the coiled material body pass through the sealing strip embedding and realize fixedly in the seal groove. This slice building waterproofing membrane, simple structure, the free loading and unloading of being convenient for reduces the destruction to the earth's surface when guaranteeing its waterproof performance, improves whole waterproofing membrane's installation and lays efficiency, the extensive popularization and use of being convenient for.

Description

Sheet building waterproofing membrane
Technical Field
The invention relates to the technical field of building materials, in particular to a sheet building waterproof coiled material.
Background
With the continuous progress of society, the building industry has been rapidly developed. In the construction industry, waterproofing rolls are often used. Waterproof rolls in the current market are adhered to the ground surface after being heated in a large area in the laying process; thus, the waterproof effect can be effectively improved. But discovery in long-term use, when the waterproofing membrane of structure appears ageing needs to be changed like this, need shoveling original coiled material clean, it wastes time and energy to operate like this, and original laying process also need decide the operation such as like this, leads to whole installation laying efficiency not high like this, and the in-service use of giving people has brought very big inconvenience.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, the sheet building waterproof coiled material is provided, has a simple structure, is convenient to freely assemble and disassemble, reduces the damage to the earth surface while ensuring the waterproof performance, improves the installation and laying efficiency of the whole waterproof coiled material, and is convenient to widely popularize and use.
The technical scheme adopted by the invention for solving the technical problems is as follows: the sheet building waterproof coiled material comprises a coiled material body, wherein the coiled material body is of a rectangular or square structure; the periphery of the lower end of the coiled material body is fixedly provided with a fixing component; the fixing assembly comprises a pressing strip, a sealing groove, a positioning strip and a self-adhesive layer; the lower terminal surface of locating band set up the self-adhesive layer, the locating band paste through the self-adhesive layer and set up on the ground surface, the locating band up end on set up the seal groove along length direction, coiled material body lower extreme all fixed layering all around, layering lower extreme along length direction on the fixed sealing strip that sets up, the coiled material body pass through the sealing strip embedding and realize fixedly in the seal groove.
Further, in the above technical solution, the pressing strip and the coil body are of an integral structure.
Further, in the above technical solution, the outer surface layer, the water-barrier layer, the reinforcing layer and the inner surface layer are sequentially disposed on the coiled material body from outside to inside; the end face of the outer surface layer is in a wavy structure, and the thickness of the outer surface layer is 5-10 mm.
Further, in the above technical solution, the water-proof layer is a sub-sand layer, and the thickness of the water-proof layer is 10-20 mm.
Further, in the above technical solution, the reinforcing layer is a steel wire mesh layer, and the thickness of the reinforcing layer is 3-5 mm.
Further, in the above technical solution, the inner surface layer is a polyurethane layer, and the thickness of the inner surface layer is 5 to 10 mm.
Further, in the above technical solution, the inner surface layer is provided with arc-shaped concave pits at the peak positions of the outer surface layer on the lower end surface thereof.
Further, in the above technical solution, the positioning belt and the pressing strip are spliced to realize the fixed sealing of the whole coil body.
Further, in the above technical solution, an aluminum foil layer is further disposed between the reinforcing layer and the water barrier layer.
The invention has the beneficial effects that: the sheet building waterproof coiled material provided by the invention has a simple structure, is convenient to freely assemble and disassemble, reduces the damage to the ground surface while ensuring the waterproof performance, improves the installation and laying efficiency of the whole waterproof coiled material, and is convenient to widely popularize and use.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the bottom structure of fig. 1.
The reference numbers in the drawings are: 1. the self-adhesive aluminum foil comprises a coil body, 2, a pressing strip, 3, a sealing strip, 4, a sealing groove, 5, a positioning strip, 6, a self-adhesive layer, 8, an outer surface layer, 9, a water-resisting layer, 10, a reinforcing layer, 11, an inner surface layer, 12, an arc-shaped pit, 13 and an aluminum foil layer.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 and 2 show a sheet-shaped building waterproof roll, which comprises a roll body 1, wherein the roll body 1 is in a rectangular or square structure; fixing components are fixedly arranged on the periphery of the lower end of the coiled material body 1; the fixing component comprises a pressing strip 2, a sealing strip 3, a sealing groove 4, a positioning strip 5 and a self-adhesive layer 6; the lower terminal surface of locating band 5 sets up self-adhesive layer 6, and locating band 5 pastes through self-adhesive layer 6 and sets up on the ground surface, sets up seal groove 4 along length direction on the 5 up end of locating band, and 1 lower extreme of coiled material body is all fixed layering 2 all around, and 2 lower extremes of layering are fixed setting sealing strip 3 along length direction on, and coiled material body 1 realizes fixedly in seal groove 4 through the embedding of sealing strip 3.
Wherein, layering 2 and coiled material body 1 structure as an organic whole. The coiled material body 1 is sequentially provided with an outer surface layer 8, a water-resisting layer 9, a reinforcing layer 10 and an inner surface layer 11 from outside to inside; the 8 terminal surfaces of extexine are the wave structure setting, and extexine 8 thickness is 5 ~ 10 mm. The water-proof layer 9 is a sub-sand layer, and the thickness of the water-proof layer 9 is 10-20 mm. The reinforcing layer 10 is a steel wire mesh layer, and the thickness of the reinforcing layer 10 is 3-5 mm. The inner surface layer 11 is a polyurethane layer, and the thickness of the inner surface layer 11 is 5-10 mm. Arc-shaped concave pits 12 are formed in the peak positions of the outer surface layer 8 on the lower end surface of the inner surface layer 11. The positioning belt 5 and the pressing strip 2 are spliced to realize the fixed sealing of the whole coiled material body 1. An aluminum foil layer 13 is further arranged between the reinforcing layer 10 and the water-resisting layer 9.
The use principle of the sheet building waterproof roll is as follows:
firstly, measuring the size of a position to be paved, directly sticking and sealing a positioning tape 5 on the ground surface through a self-adhesive layer 6, unfolding a coiled material body 1, and embedding a sealing tape 5 around the lower end of the coiled material body 1 into a sealing groove 4 for sealing; only the sealing tape 5 is required to be sequentially and clockwise extruded into the sealing groove 4; in the operation process, the gas at the lower end of the coiled material body 1 needs to be removed completely, so that the subsequent bulge problem can be avoided; after the sealing strips 5 are all embedded in the sealing grooves 4, the peak-shaped positions on the outer surface layer 8 are stepped on the upper end surface of the coiled material body 1, so that the arc-shaped pits 12 on the inner surface layer 11 can be directly pressed to be in contact with the ground surface for adsorption and fixation; this can enhance the adhesive fixing strength of the entire coil body 1; the waterproof effect is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (9)

1. The utility model provides a slice building waterproofing membrane which characterized in that: the coiled material body is of a rectangular or square structure; the periphery of the lower end of the coiled material body is fixedly provided with a fixing component; the fixing assembly comprises a pressing strip, a sealing groove, a positioning strip and a self-adhesive layer; the lower terminal surface of locating band set up the self-adhesive layer, the locating band paste through the self-adhesive layer and set up on the ground surface, the locating band up end on set up the seal groove along length direction, coiled material body lower extreme all fixed layering all around, layering lower extreme along length direction on the fixed sealing strip that sets up, the coiled material body pass through the sealing strip embedding and realize fixedly in the seal groove.
2. The sheet building waterproofing membrane of claim 1, characterized in that: the pressing strip and the coiled material body are of an integrated structure.
3. The sheet building waterproofing membrane of claim 1, characterized in that: the coiled material body is sequentially provided with an outer surface layer, a water-resisting layer, a reinforcing layer and an inner surface layer from outside to inside; the end face of the outer surface layer is in a wavy structure, and the thickness of the outer surface layer is 5-10 mm.
4. The sheet building waterproofing membrane of claim 3, characterized in that: the water-proof layer is a sub-sand layer, and the thickness of the water-proof layer is 10-20 mm.
5. The sheet building waterproofing membrane of claim 3, characterized in that: the reinforcing layer is a steel wire mesh layer, and the thickness of the reinforcing layer is 3-5 mm.
6. The sheet building waterproofing membrane of claim 3, characterized in that: the inner surface layer is a polyurethane layer, and the thickness of the inner surface layer is 5-10 mm.
7. The sheet building waterproofing membrane of claim 3, characterized in that: and arc-shaped pits are arranged at the peak positions of the outer surface layer on the surface of the lower end of the inner surface layer.
8. The sheet building waterproofing membrane of claim 1, characterized in that: the positioning belt and the pressing strip are spliced to realize the fixed sealing of the whole coiled material body.
9. The sheet building waterproofing membrane of claim 3, characterized in that: an aluminum foil layer is further arranged between the reinforcing layer and the waterproof layer.
CN202011254370.XA 2020-11-11 2020-11-11 Sheet building waterproofing membrane Pending CN112339366A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011254370.XA CN112339366A (en) 2020-11-11 2020-11-11 Sheet building waterproofing membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011254370.XA CN112339366A (en) 2020-11-11 2020-11-11 Sheet building waterproofing membrane

Publications (1)

Publication Number Publication Date
CN112339366A true CN112339366A (en) 2021-02-09

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CN202011254370.XA Pending CN112339366A (en) 2020-11-11 2020-11-11 Sheet building waterproofing membrane

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201635194U (en) * 2010-03-30 2010-11-17 彭真遇 Waterproof coiled material with sealing strips
CN205736234U (en) * 2016-04-28 2016-11-30 天津市鹏腾新型建筑材料有限公司 A kind of adsorption-type waterproof roll
CN108824753A (en) * 2018-07-26 2018-11-16 浙江亚厦装饰股份有限公司 Paving ground and method for paving
CN110965653A (en) * 2019-12-31 2020-04-07 扬州美邦工程材料有限公司 Self-adhesive waterproof coiled material
CN211031549U (en) * 2019-11-05 2020-07-17 昆山科信高分子材料有限公司 Waterproof roll based on enhanced thermoplastic elastomer as main body
CN211690824U (en) * 2019-12-06 2020-10-16 云南管通公路材料有限公司 Waterproofing membrane convenient to overlap joint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201635194U (en) * 2010-03-30 2010-11-17 彭真遇 Waterproof coiled material with sealing strips
CN205736234U (en) * 2016-04-28 2016-11-30 天津市鹏腾新型建筑材料有限公司 A kind of adsorption-type waterproof roll
CN108824753A (en) * 2018-07-26 2018-11-16 浙江亚厦装饰股份有限公司 Paving ground and method for paving
CN211031549U (en) * 2019-11-05 2020-07-17 昆山科信高分子材料有限公司 Waterproof roll based on enhanced thermoplastic elastomer as main body
CN211690824U (en) * 2019-12-06 2020-10-16 云南管通公路材料有限公司 Waterproofing membrane convenient to overlap joint
CN110965653A (en) * 2019-12-31 2020-04-07 扬州美邦工程材料有限公司 Self-adhesive waterproof coiled material

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Application publication date: 20210209

RJ01 Rejection of invention patent application after publication