CN101966710B - Simple perforating device for outer rubber layer of automobile air conditioner rubber tube - Google Patents

Simple perforating device for outer rubber layer of automobile air conditioner rubber tube Download PDF

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Publication number
CN101966710B
CN101966710B CN2010105187035A CN201010518703A CN101966710B CN 101966710 B CN101966710 B CN 101966710B CN 2010105187035 A CN2010105187035 A CN 2010105187035A CN 201010518703 A CN201010518703 A CN 201010518703A CN 101966710 B CN101966710 B CN 101966710B
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support
pinwheel
beam slab
hole
support plate
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CN101966710A (en
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尤建义
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NINGBO TIANJI AUTO PARTS CO Ltd
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NINGBO CITY TIANJI AUTOMOBILE PARTS CO Ltd
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Abstract

The invention discloses a simple perforating device for an outer rubber layer of an automobile air conditioner rubber tube. The simple perforating device comprises a pinwheel (1), a beam slab (2), a guide rod (3), a spring (4), a bearing plate (5) and a gasket block (6). In the invention, a technical scheme that a rubber tube is introduced to pass through a pore passage enclosed by outer edges of four pinwheels of which central axes are orthogonal on the same plane and an inserting needle on the pinwheel rim punctures the outer rubber layer of the rubber tube for rolling perforation is adopted to overcome the shortcomings of complicated structure, complexity of debugging, inconvenience of operation, difficulty of maintenance and the like in the prior art. The simple perforating device for the outer rubber layer of the automobile air conditioner rubber tube enables the perforating device to achieve the aims of simple structure, convenience of operation and simplicity of debugging and maintenance by the way of the pinwheel rolling and puncturing perforation.

Description

The simple and easy perforating device of the outer glue-line of air conditioning for automobiles sebific duct
Technical field
The present invention relates to the perforating device in the air conditioning for automobiles sebific duct production technology, specifically be meant the process that is used at machine-shaping air conditioning for automobiles sebific duct, the outer glue-line of sebific duct is made the simple and easy perforating device of the outer glue-line of a kind of air conditioning for automobiles sebific duct of steam vent.
Background technology
The air conditioning for automobiles sebific duct is processed by inside and outside glue-line is compound; The inner glue layer effect is heat-resisting, cold-resistant, anti-medium seepage, anti-medium swelling; Outer glue-line effect is high-low temperature resistant, anti-ozone aging, resistance to compression, tension, wear-resistant, anti-vibration, guarantees mechanical strength and performance that sebific duct is whole; Although the anti-infiltration technology of inner glue layer promotes day by day; But the HFC-134a cold-producing medium still has part infiltration, volatilization; The gas of infiltration needs in time to discharge through the steam vent that all is laid in the outer glue-line of sebific duct, otherwise can be trapped between the inside and outside glue-line, causes sebific duct to expand even the danger of explosion is arranged; Therefore in the making of air conditioning for automobiles sebific duct, need roll vent at the outer glue-line of sebific duct.
The outer glue-line puncher of prior art is an electromechanical integration equipment, relies on from Japan, American-European import, and its complex structure, loaded down with trivial details, the operation inconvenience of debugging, consumable accessory must imported with original packaging cause difficult in maintenance; Therefore, there is complex structure in prior art, debugs problems and shortcomings loaded down with trivial details, that operation is inconvenient, difficult in maintenance.
Summary of the invention
Problems and shortcomings to above-mentioned prior art existence; The present invention adopts the perforating device that is made up of pinwheel, beam slab, guide rod, spring, support plate, spacer block; Take to draw the duct that sebific duct surrounds through the outer rim by central axis quadrature four pinwheels at grade; Utilization is located at the technical scheme that the outer glue-line of acupuncture treatment puncturation sebific duct on the pinwheel wheel rim rolls and punches; The simple and easy perforating device of the outer glue-line of a kind of air conditioning for automobiles sebific duct is provided, is intended to, make the perforating device of the outer glue-line of air conditioning for automobiles sebific duct reach purpose simple in structure, easy to operate, that be easy to debugging maintenance through mode by pinwheel roll extrusion puncture punching.
The objective of the invention is to realize like this: the simple and easy perforating device of the outer glue-line of a kind of air conditioning for automobiles sebific duct, comprise pinwheel, beam slab, guide rod, spring, support plate, spacer block, wherein: described pinwheel is trapezoidal steel wheel for the wheel rim cross section; The wheel rim circumference upper edge radial radiation direction of pinwheel is laid with the taper shape acupuncture treatment of the punching purposes that is used to puncture; In the wheel hub of pinwheel bearing is housed, in the axis hole of bearing wheel shaft is housed, two ends of wheel shaft are fixedly connected respectively at one end in one the support holes of bearing block; Bearing block is the steel plate of rectangle; The plate face center of bearing block is provided with the support holes that is fixedly connected wheel shaft, and the long side face of the plate of bearing block is provided with the bearing block adjustment hole that two through holes that equate with pitch-row with the aperture of two beam slab adjustment holes of the long limit of emptiness avoiding hole one side of said beam slab constitute;
Described beam slab is the steel plate of rectangle; The center of beam slab is provided with oblong emptiness avoiding hole along long limit, and two sides on the long limit of emptiness avoiding hole are positioned at the Si Jiaochu of beam slab, the beam slab adjustment hole that the manhole that being respectively equipped with is used to be slidingly matched passes said guide rod purposes constitutes;
Described guide rod is that two ends are provided with externally threaded cylindrical steel screw rod;
Described spring is a cylindroid helical-coil compression spring, and the foraminous spiral tract diameter of spring is greater than the diameter of said guide rod;
Described support plate is the steel plate of rectangle; The top Si Jiaochu of support plate is provided with and is used to pass the stepped counterbore that screw connects purposes; The top center of support plate is provided with along long side direction and is used to pass third wheel hole said pinwheel purposes, that rectangular through-hole constitutes, and two sides on the long limit in third wheel hole are respectively equipped with the support plate screw that the screw corresponding with the beam slab adjustment hole position of said beam slab constitutes; On two sides on the long limit of support plate, also be respectively equipped with the support plate side screw that constitutes with said support plate screw screw corresponding, the axis quadrature;
Described spacer block is the steel plate of rectangle; The long limit of spacer block is two two limits up and down, are provided with the polyphone screw of corresponding with two stepped counterbore positions of the minor face of said support plate, as to be used to connect purposes tapped through hole formation; The center of the long limit two side faces of spacer block is provided with the pilot hole that manhole constitutes, and the aperture of pilot hole is slightly larger than the external diameter of air conditioning for automobiles sebific duct.
Mutual alignment and annexation
Two minor faces of two support plates are two spacer block of clamping up and down, are screwed in the polyphone screw of spacer block through the stepped counterbore of two support plates up and down respectively with screw, and support plate and spacer block are connected as one the support that constitutes rectangle; The side third wheel hole that the dual side-edge center, the left and right sides of support is linked to each other and surrounds rectangle with two spacer block by two support plates;
One end of four guide rods nut of screwing on; The bearing block adjustment hole of bearing block that the other end passes beam slab adjustment hole, spring, the pinwheel of beam slab respectively is screwed into the support plate side screw of two support plates up and down of the left side of said support, is fixedly connected on the left side of said support; One end of four guide rods nut of screwing on; The bearing block adjustment hole of bearing block that the other end passes beam slab adjustment hole, spring, the pinwheel of beam slab respectively is screwed into the support plate side screw of two support plates up and down of the right edge of said support, is fixedly connected on the right edge of said support;
The bearing block adjustment hole of bearing block that one end of four guide rods nut of screwing on, the other end pass beam slab adjustment hole, spring, the pinwheel of beam slab respectively is screwed into the support plate screw of the support plate of said support top, is fixedly connected on the top of said support; The bearing block adjustment hole of bearing block that one end of four guide rods nut of screwing on, the other end pass beam slab adjustment hole, spring, the pinwheel of beam slab respectively is screwed into the support plate screw of the following support plate of said support, is fixedly connected on the bottom of said support;
Above-mentioned connection, with four pinwheels by central axis at grade quadrature be contained in four limits up and down of said support; The wheel rim of four pinwheels passes the third wheel hole of two support plates up and down respectively and by two support plates and two side third wheel holes that spacer block surrounds up and down, cross meets at the center of said support; Be positioned at the axis of pilot hole at the spacer block center of said support front and back position, the cross center in the duct that surrounds of the wheel rim cross that passes four pinwheels.
Operation principle
When using punching; Pass with the pilot hole of hauling machine towing motorcar air conditioner rubber pipe from the spacer block center of said support front and back position; When sebific duct crosses the duct that surrounds at the cross that passes four pinwheel wheel rims; The acupuncture treatment of pinwheel penetrates the outer glue-line of sebific duct outer wall, forms the puncture hole outside in the glue-line, and the sebific duct that passes through drives pinwheel simultaneously again and rolls; Along with the rolling with pinwheel of passing through of sebific duct, acupuncture treatment is pricked out in the outer glue-line of sebific duct outer wall and is evenly distributed, arranges orderly vent; The pinwheel wheel rim acts on the pressure on sebific duct surface, can regulate through the degree of tightness that adjusting is positioned at the nut on the guide rod of beam slab one end, and pressure acts on pinwheel through spring, bearing block and puts on sebific duct.
Above-mentioned; The present invention adopts the perforating device that is made up of pinwheel, beam slab, guide rod, spring, support plate, spacer block; Take to draw the duct that sebific duct surrounds through the outer rim by central axis quadrature four pinwheels at grade; Utilization is located at the technical scheme that the outer glue-line of acupuncture treatment puncturation sebific duct on the pinwheel wheel rim rolls and punches; Having overcome prior art exists complex structure, debugs problems and shortcomings loaded down with trivial details, that operation is inconvenient, difficult in maintenance; The simple and easy perforating device of the outer glue-line of a kind of air conditioning for automobiles sebific duct that is provided through the mode by pinwheel roll extrusion puncture punching, makes the perforating device of the outer glue-line of air conditioning for automobiles sebific duct reach purpose simple in structure, easy to operate, that be easy to debugging maintenance.
Description of drawings
Fig. 1 is office's cross-sectional schematic of the structure of the simple and easy perforating device of glue-line outside the air conditioning for automobiles sebific duct of the present invention;
Fig. 2 is that the axle of the structure of the simple and easy perforating device of glue-line outside the air conditioning for automobiles sebific duct of the present invention is surveyed sketch map.
Embodiment below in conjunction with in the accompanying drawing does further explain to the present invention, but should not be construed as any restriction of the present invention.
Among the figure: pinwheel 1, acupuncture treatment 11, bearing 12, wheel shaft 13, bearing block 14, beam slab 2, guide rod 3, spring 4, support plate 5, spacer block 6, pilot hole 61.
The specific embodiment
Consult Fig. 1, Fig. 2, the simple and easy perforating device of the outer glue-line of a kind of air conditioning for automobiles sebific duct of the present invention comprises pinwheel 1, beam slab 2, guide rod 3, spring 4, support plate 5, spacer block 6, and wherein: described pinwheel 1 is trapezoidal steel wheel for the wheel rim cross section; The wheel rim circumference upper edge radial radiation direction of pinwheel is laid with the taper shape acupuncture treatment 11 of the punching purposes that is used to puncture; Bearing 12 is housed in the wheel hub of pinwheel 1, wheel shaft 13 is housed in the axis hole of bearing 12, two ends of wheel shaft 13 are fixedly connected respectively at one end in one the support holes of bearing block 14; Bearing block 14 is the steel plate of rectangle; The plate face center of bearing block 14 is provided with the support holes that is fixedly connected wheel shaft 13, and the long side face of the plate of bearing block 14 is provided with the bearing block adjustment hole that two through holes that equate with pitch-row with the aperture of two beam slab adjustment holes of the long limit of emptiness avoiding hole one side of said beam slab 2 constitute;
Described beam slab 2 is the steel plate of rectangle; The center of beam slab is provided with oblong emptiness avoiding hole along long limit, and two sides on the long limit of emptiness avoiding hole are positioned at the Si Jiaochu of beam slab, and being respectively equipped with is used to be slidingly matched passes the beam slab adjustment hole of the manhole formation of said guide rod 3 purposes;
Described guide rod 3 is that two ends are provided with externally threaded cylindrical steel screw rod;
Described spring 4 is a cylindroid helical-coil compression spring, and the foraminous spiral tract diameter of spring is greater than the diameter of said guide rod 3;
Described support plate 5 is the steel plate of rectangle; The top Si Jiaochu of support plate is provided with and is used to pass the stepped counterbore that screw connects purposes; The top center of support plate is provided with along long side direction and is used to pass third wheel hole said pinwheel 1 purposes, that rectangular through-hole constitutes, and two sides on the long limit in third wheel hole are respectively equipped with the support plate screw that the screw corresponding with the beam slab adjustment hole position of said beam slab 2 constitutes; On two sides on the long limit of support plate, also be respectively equipped with the support plate side screw that constitutes with said support plate screw screw corresponding, the axis quadrature;
Described spacer block 6 is the steel plate of rectangle; The long limit of spacer block is two two limits up and down, are provided with the polyphone screw of corresponding with two stepped counterbore positions of the minor face of said support plate 5, as to be used to connect purposes tapped through hole formation; The center of the long limit two side faces of spacer block is provided with the pilot hole 61 that manhole constitutes, and the aperture of pilot hole 61 is slightly larger than the external diameter of air conditioning for automobiles sebific duct.
Mutual alignment and annexation
Two minor faces of two support plates 5 are two spacer block 6 of clamping up and down, are screwed in the polyphone screw of spacer block 6 through the stepped counterbore of two support plates 5 up and down respectively with screw, and support plate 5 and spacer block 6 are connected as one the support that constitutes rectangle; The side third wheel hole that the dual side-edge center, the left and right sides of support is linked to each other and surrounds rectangle with two spacer block 6 by two support plates 5;
One end of four guide rods 3 nut of screwing on; The bearing block adjustment hole of bearing block 14 that the other end passes beam slab adjustment hole, spring 4, the pinwheel 1 of beam slab 2 respectively is screwed into the support plate side screw of two support plates 5 up and down of the left side of said support, is fixedly connected on the left side of said support; One end of four guide rods 3 nut of screwing on; The bearing block adjustment hole of bearing block 14 that the other end passes beam slab adjustment hole, spring 4, the pinwheel 1 of beam slab 2 respectively is screwed into the support plate side screw of two support plates 5 up and down of the right edge of said support, is fixedly connected on the right edge of said support;
The bearing block adjustment hole of bearing block 14 that one end of four guide rods 3 nut of screwing on, the other end pass beam slab adjustment hole, spring 4, the pinwheel 1 of beam slab 2 respectively is screwed into the support plate screw of the support plate 5 of said support top, is fixedly connected on the top of said support; The bearing block adjustment hole of bearing block 14 that one end of four guide rods 3 nut of screwing on, the other end pass beam slab adjustment hole, spring 4, the pinwheel 1 of beam slab 2 respectively is screwed into the support plate screw of the following support plate 5 of said support, is fixedly connected on the bottom of said support;
Above-mentioned connection, with four pinwheels 1 by central axis at grade quadrature be contained in four limits up and down of said support; The wheel rim of four pinwheels 1 passes the third wheel hole of two support plates 5 up and down respectively and by two support plates 5 and two side third wheel holes that spacer block 6 surrounds up and down, cross meets at the center of said support; Be positioned at the axis of pilot hole 61 at spacer block 6 centers of said support front and back position, the cross center in the duct that surrounds of the wheel rim cross that passes four pinwheels 1.
Operation principle
When using punching; Pass with the pilot hole 61 of hauling machine towing motorcar air conditioner rubber pipe from spacer block 6 centers of said support front and back position; When sebific duct crosses the duct that surrounds at the cross that passes four pinwheel 1 wheel rims; The acupuncture treatment 11 of pinwheel 1 penetrates the outer glue-line of sebific duct outer wall, forms the puncture hole outside in the glue-line, and the sebific duct that passes through drives pinwheel 1 simultaneously again and rolls; Along with the rolling with pinwheel 1 of passing through of sebific duct, acupuncture treatment 11 is pricked out in the outer glue-line of sebific duct outer wall and is evenly distributed, arranges orderly vent; Pinwheel 1 wheel rim acts on the pressure on sebific duct surface, can regulate through the degree of tightness that adjusting is positioned at the nut on the guide rod 3 of beam slab 2 one ends, and pressure acts on pinwheel 1 through spring 4, bearing block 14 and puts on sebific duct.

Claims (2)

1. the simple and easy perforating device of the outer glue-line of air conditioning for automobiles sebific duct comprises pinwheel (1), beam slab (2), guide rod (3), spring (4), support plate (5), spacer block (6), it is characterized in that: described pinwheel (1) is trapezoidal steel wheel for the wheel rim cross section; The wheel rim circumference upper edge radial radiation direction of pinwheel is laid with the taper shape acupuncture treatment (11) of the punching purposes that is used to puncture; Bearing (12) is housed in the wheel hub of pinwheel (1), wheel shaft (13) is housed in the axis hole of bearing (12), two ends of wheel shaft (13) are fixedly connected respectively in the support holes of one bearing block (14) at one end; Bearing block (14) is the steel plate of rectangle; The plate face center of bearing block (14) is provided with the support holes that is fixedly connected wheel shaft (13), and the long side face of the plate of bearing block (14) is provided with the bearing block adjustment hole that two through holes that equate with pitch-row with the aperture of two beam slab adjustment holes of the long limit of emptiness avoiding hole one side of said beam slab (2) constitute;
Described beam slab (2) is the steel plate of rectangle; The center of beam slab is provided with oblong emptiness avoiding hole along long limit, and two sides on the long limit of emptiness avoiding hole are positioned at the Si Jiaochu of beam slab, and being respectively equipped with is used to be slidingly matched passes the beam slab adjustment hole of the manhole formation of said guide rod (3) purposes;
Described guide rod (3) is that two ends are provided with externally threaded cylindrical steel screw rod;
Described spring (4) is a cylindroid helical-coil compression spring, and the foraminous spiral tract diameter of spring is greater than the diameter of said guide rod (3);
Described support plate (5) is the steel plate of rectangle; The top Si Jiaochu of support plate is provided with and is used to pass the stepped counterbore that screw connects purposes; The top center of support plate is provided with along long side direction and is used to pass third wheel hole said pinwheel (1) purposes, that rectangular through-hole constitutes, and two sides on the long limit in third wheel hole are respectively equipped with the support plate screw that the screw corresponding with the beam slab adjustment hole position of said beam slab (2) constitutes; On two sides on the long limit of support plate, also be respectively equipped with the support plate side screw that constitutes with said support plate screw screw corresponding, the axis quadrature;
Described spacer block (6) is the steel plate of rectangle; The long limit of spacer block is two two limits up and down, are provided with the polyphone screw of corresponding with two stepped counterbore positions of the minor face of said support plate (5), as to be used to connect purposes tapped through hole formation; The center of the long limit two side faces of spacer block is provided with the pilot hole (61) that manhole constitutes, and the aperture of pilot hole (61) is slightly larger than the external diameter of air conditioning for automobiles sebific duct;
Mutual alignment and annexation do; Two minor faces of two support plates (5) are two spacer block of clamping (6) up and down; Be screwed in the polyphone screw of spacer block (6) through the stepped counterbore of two support plates (5) up and down respectively with screw, support plate (5) and spacer block (6) are connected as one the support that constitutes rectangle; The side third wheel hole that the dual side-edge center, the left and right sides of support is linked to each other and surrounds rectangle with two spacer block (6) by two support plates (5);
One end of four guide rods (3) nut of screwing on; The bearing block adjustment hole of bearing block (14) that the other end passes beam slab adjustment hole, spring (4), the pinwheel (1) of beam slab (2) respectively is screwed into the support plate side screw of two support plates (5) up and down of the left side of said support, is fixedly connected on the left side of said support; One end of four guide rods (3) nut of screwing on; The bearing block adjustment hole of bearing block (14) that the other end passes beam slab adjustment hole, spring (4), the pinwheel (1) of beam slab (2) respectively is screwed into the support plate side screw of two support plates (5) up and down of the right edge of said support, is fixedly connected on the right edge of said support;
One end of four guide rods (3) nut of screwing on; The bearing block adjustment hole of bearing block (14) that the other end passes beam slab adjustment hole, spring (4), the pinwheel (1) of beam slab (2) respectively is screwed into the support plate screw of the support plate (5) of said support top, is fixedly connected on the top of said support; One end of four guide rods (3) nut of screwing on; The bearing block adjustment hole of bearing block (14) that the other end passes beam slab adjustment hole, spring (4), the pinwheel (1) of beam slab (2) respectively is screwed into the support plate screw of the following support plate (5) of said support, is fixedly connected on the bottom of said support;
Four pinwheels (1) central axis is quadrature at grade, is contained in four limits up and down of said support; The wheel rim of four pinwheels (1) passes the third wheel hole of two support plates (5) up and down and the side third wheel hole that is surrounded by two support plates (5) up and down and two spacer block (6) respectively, and cross meets at the center of said support; Be positioned at the axis of pilot hole (61) at spacer block (6) center of said support front and back position, the cross center in the duct that surrounds of the wheel rim cross that passes four pinwheels (1).
2. the drilling method of the simple and easy perforating device of the outer glue-line of the described air conditioning for automobiles sebific duct of claim 1; It is characterized in that: pass with the pilot hole (61) of hauling machine towing motorcar air conditioner rubber pipe from spacer block (6) center of said support front and back position; When sebific duct crosses the duct that surrounds at the cross that passes four pinwheels (1) wheel rim; The acupuncture treatment (11) of pinwheel (1) penetrates the outer glue-line of sebific duct outer wall, forms the puncture hole outside in the glue-line, and the sebific duct that passes through drives pinwheel (1) simultaneously again and rolls; Along with the rolling with pinwheel (1) of passing through of sebific duct, acupuncture treatment (11) is pricked out in the outer glue-line of sebific duct outer wall and is evenly distributed, arranges orderly vent; Pinwheel (1) wheel rim acts on the pressure on sebific duct surface, can regulate through the degree of tightness that adjusting is positioned at the nut on the guide rod (3) of beam slab (2) one ends, and pressure acts on pinwheel (1) through spring (4), bearing block (14) and puts on sebific duct.
CN2010105187035A 2010-10-14 2010-10-14 Simple perforating device for outer rubber layer of automobile air conditioner rubber tube Active CN101966710B (en)

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CN2010105187035A CN101966710B (en) 2010-10-14 2010-10-14 Simple perforating device for outer rubber layer of automobile air conditioner rubber tube

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CN101966710B true CN101966710B (en) 2012-02-15

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102756395B (en) * 2012-06-21 2014-11-05 浙江润强医疗器械股份有限公司 Device for perforating sputum suction tube in radial direction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1638006A1 (en) * 1989-03-13 1991-03-30 Всесоюзное Научно-Производственное Объединение Механизации Орошения "Радуга" Device for perforating flexible pipe line
CN1739928A (en) * 2005-09-13 2006-03-01 沈阳农业大学 Node type filtration irrigation pipe perforating mechanism
CN201824412U (en) * 2010-10-14 2011-05-11 宁波市天基汽车部件有限公司 Simple perforating device of outer rubber layer of automobile air conditioner rubber hose

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU1787762C (en) * 1990-11-11 1993-01-15 Всесоюзное Научно-Производственное Объединение По Механизации Орошения "Радуга" Flexible pipeline perforating device
NZ515347A (en) * 2001-11-08 2004-06-25 Ronald Malcolm Bond Sanderson An automated hole punching device for punching holes in a pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1638006A1 (en) * 1989-03-13 1991-03-30 Всесоюзное Научно-Производственное Объединение Механизации Орошения "Радуга" Device for perforating flexible pipe line
CN1739928A (en) * 2005-09-13 2006-03-01 沈阳农业大学 Node type filtration irrigation pipe perforating mechanism
CN201824412U (en) * 2010-10-14 2011-05-11 宁波市天基汽车部件有限公司 Simple perforating device of outer rubber layer of automobile air conditioner rubber hose

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Owner name: NINGBO TIP RUBBER TECHNOLOGY CO., LTD.

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Address after: 315600 No. 5 Jinlong Road, C District, Xinxing Industrial Park, Ninghai County, Zhejiang

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Address after: 315600 Jinlong Road, Zone C, Xinxing Industrial Park, Ninghai County, Ningbo City, Zhejiang Province

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Effective date of registration: 20230712

Address after: No. 1, Qihang Road, Binhai, south of Ninghai County, Ningbo City, Zhejiang Province 315600

Patentee after: Ningbo Tianji Auto Parts Co.,Ltd.

Address before: 315600 Jinlong Road, Zone C, Xinxing Industrial Park, Ninghai County, Ningbo City, Zhejiang Province

Patentee before: NINGBO TIP RUBBER TECHNOLOGY Co.,Ltd.