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1. 发明专利

JPH03233020A CONTINUOUS EXCAVATOR WITH THIN WALL 失效
公开(公告)号：JPH03233020A
公开(公告)日：1991-10-17
申请号：JP2674090
申请日：1990-02-06
申请人： TAISEI CORP , TONE BORING CO
发明人： SHIRAKAWA YUICHI , KONNO TOSHIE , KODERA HIDENORI , YOSHIDA KEISUKE , KOBAYASHI MINEO , HIROHATA YUKINORI , TERAJIMA TSUTOMU , KAWASAKI HIROYUKI
IPC分类号： E02D17/13 , E02F5/02 , E02F5/04 , E02F5/08 , E02F7/00
摘要： PURPOSE:To raise the efficiency of operations by a method in which a side bit having a cutter on its lower end, together with a discharger and a casing which are provided in parallel, is provided on both outsides of a casing, and the axis is positioned near the vertical contact line of the outermost peripheral end of a large diameter disc cutter. CONSTITUTION:Large-size disc cutters 34 with thin walls, having a discharger 30 for excavated soil on its center and two vertical cylinder casings 32 on both sides, are provided, and their turning shafts are provided horizontally and symmetrically on the same plain. A side bit 38 with a wind cutter 36 is provided to the outside of the casing 32 in relation to the discharger 30, where the bits 38 are set symmetrically in the same plain with the discharger 30 and the casing 32 with the same pitch P. The axis of the bit 38 is positioned near the vertical contact line of the outermost peripheral end of the cutter 34. Operations can thus be made with high accuracy and high efficiency.

2. 发明专利

JPH02266024A EXCAVATING METHOD OF IMPERVIOUS WALL AND ITS EXCAVATOR 失效
公开(公告)号：JPH02266024A
公开(公告)日：1990-10-30
申请号：JP8459589
申请日：1989-04-03
申请人： TONE BORING CO
发明人： KAWASAKI HIROYUKI , TERAJIMA TSUTOMU
IPC分类号： E02D17/13 , E02D5/18 , E02F5/02 , E02F5/06
摘要： PURPOSE:To reduce man-powers and construction cost with excavation and earth-removal regardless of the water level in a bored hole, by providing a couple of buckets or wing bits in an excavator and arranging a chain cutter between them to excavate an impervious wall hole. CONSTITUTION:A pair of buckets 28A, 28B or a pair of wing bits 36A, 36B are fitted replaceably to a longitudinally formed excavator body 22 respectively. Next, chain cutters 26A, 26B are arranged between respective buckets 28A, 28B or wing bits 36A, 36B and soil is removed to the ground level while a pair of circular holes and thin wall holes are excavated. The buckets 28A, 28B and the wing bits 36A, 36B are inserted into the bored round holes every one pitch to form an impervious wall hole connected to the intermediate part excavated by use of the round hole as a guide hole. In this way, execution stages and man-powers are reduced and suitably fitted pits can be easily obtained.

3. 发明专利

JPH0247426A GROOVE SLOT EXCAVATOR 失效
公开(公告)号：JPH0247426A
公开(公告)日：1990-02-16
申请号：JP19777288
申请日：1988-08-08
申请人： TONE BORING CO
发明人： IKEDA NOBUHISA , TERAJIMA TSUTOMU , KAWASAKI HIROYUKI , TAKAHASHI TADAO
IPC分类号： E02D17/13 , E02F3/20 , E02F5/02
摘要： PURPOSE:To improve the efficiency of excavation by setting one ring cutter or more for enabling almost same widths to be excavated, between a pair of drum cutters arranged coaxially keeping a specified interval at the tip section of a device, and by excavating a bedrock between the drum cutters. CONSTITUTION:On a device main-body 10, a rotary driving source 16 is mounted, and on a gear case 18 fitted under the device, a horizontal rotary shaft 20 with firmly fitted drum cutters 22, 22, and horizontal rotary shafts 28, 28 of a ring cutter 26 are respectively pivotally supported. On the cutters 22, cutting edges 24 are formed and on the cutter 26, a cutting edge 27 is formed, respectively on the whole peripheries. Then, a rotational force from a driving source 16 is transmitted to the cutters 22 and the cutter 26 respectively, via a power transmitting mechanism, and a bedrock or the like between the cutters 22 is excavated by the cutter 26 at the same speed, and through a reverse pipe 63 with a suction port at the bottom section, slime is discharged. Accordingly, the efficiency of excavation can be improved.

4. 发明专利

JPS61225424A TRENCHER 失效
公开(公告)号：JPS61225424A
公开(公告)日：1986-10-07
申请号：JP6431485
申请日：1985-03-28
申请人： TONE BORING CO
发明人： TERAJIMA TSUTOMU , KAWASAKI HIROYUKI , TAKAHASHI TADAO
IPC分类号： E02D17/13 , E02F3/20 , E02F5/02 , E21B4/16 , E21B7/00
摘要： PURPOSE:To prevent the occurrence of unexcavated portion by a method in which an upwardly eccentric ring cuter is provided between paired drum cutters set on the horizontal rotary shaft, and rotation force from a rotary drive source is transmitted to the drum cutters and the ring cutter. CONSTITUTION:Rotation force of a rotary drive source 16 serves to turn a ring cutter 26 through a decelerating gear group 30, a horizontal rotary shaft 32, and a gear 34. By the rotation force of the drive source 16, drum cutters 22 are turned to the opposite direction of the ring cutter 26 through a decelerating gear group 38, a horizontal rotary shaft 40, gears 42 and 46, a horizontal rotary shaft 44, and gears 48 and 50. Since a rectangular pit is excavated under the ground by the excavator, an underground continuous wall having necessary strength can be formed without leaving unexcavating portion.

5. 发明专利

JPS5998993A DRILLING MACHINE FOR GROUND 失效
公开(公告)号：JPS5998993A
公开(公告)日：1984-06-07
申请号：JP20994082
申请日：1982-11-30
申请人： SHIMIZU CONSTRUCTION CO LTD , TONE BORING CO
发明人： KAJIOKA YASUO , AOYAMA ICHIROU , HAMAMURA HIROYUKI , TERAJIMA TSUTOMU
IPC分类号： E21B7/20 , E21B10/32

6. 发明专利

JPH0381415A GROOVE/HOLE EXCAVATOR 失效
公开(公告)号：JPH0381415A
公开(公告)日：1991-04-05
申请号：JP21785689
申请日：1989-08-24
申请人： TONE BORING CO , CHEMICAL GROUT CO , TONE CHIKA GIJUTSU KK
发明人： IKEDA NOBUHISA , TERAJIMA TSUTOMU , SHIBAZAKI MITSUHIRO , MIYOSHI YUKINORI , BO NAOKI , TAKAMORI YOSHIO
IPC分类号： E02D17/13 , E02F5/02
摘要： PURPOSE:To improve the strength and water stopping ability of an underground continuous wall by providing a unit device for evenly cutting the side surfaces of concrete walls constructed on both sides of a continuously excavated groove by drum cutters. CONSTITUTION:Plural vertical rotary shafts 18, 20, 22, 24, 26 are juxtaposed at the lower part along the length of a multi-shaft bit type excavator body 10, and bits 28, 30, 32, 34, 36 are provided respectively to the shafts so that their drilled holes are overlapped partially with each other. Roller cutters having horizontal rotary shafts on both sides across the width of the body 10 are arranged over the longitudinal length of an excavated groove so that the cutters are partially overlapped with the groove. Further, a cutter unit device 65 consisting of a casing 60 having prime motors 14 and power transmission mechanisms, and drum cutters 62 having horizontal rotary shafts on both sides of the body below the casings 60, is installed on both sides along the length of the body 10 so that it can be loaded and unloaded.

7. 发明专利

JPH02104817A GROOVE SLOT EXCAVATOR 失效
公开(公告)号：JPH02104817A
公开(公告)日：1990-04-17
申请号：JP25656288
申请日：1988-10-12
申请人： TOUKIYOUWAN OUDAN DORO KK , TONE BORING CO
发明人： INAMI YOSHIHIKO , HIRAOKA SHIGEAKI , HARA HIROSHI , MAKINO SOICHI , KUSAKA TOKUO , TERAJIMA TSUTOMU
IPC分类号： E02D17/13 , E02D5/18 , E02F3/20 , E02F5/02
摘要： PURPOSE:To easily convert the excavating width of a drum cutter by fixing a divided type drum cutter provided with a cutter bit on the outer periphery, attachably and removably on the external side end surface of the drum cutter. CONSTITUTION:A rotational force from a rotary driving source 62 is transmitted to a fundamental drum cutter 70, a ring cutter 86, and a wing bit 88, and at the same time as the rotation of the fundamental drum cutter 70, a divided type drum cutter 76 is rotated. Then, a groove slot excavator 50 is moved downward, and with both the drum cutters 70, 76, the ring cutter 86, and the wing bit 88, in-ground is excavated, and a rectangular excavated slot is formed. Besides, when the dimension of a wall thickness is changed, then a bolt 79 with fixed flanges 74, 78 is removed, and the divided type drum cutter 76 is removed from the fundamental drum cutter 70. Besides, after the divided type drum cutter 76 is removed, the new drum cutter 76 is fitted on the fundamental drum cutter 70 via the bolt 79.

8. 发明专利

JPS63110320A TRENCHER 失效
公开(公告)号：JPS63110320A
公开(公告)日：1988-05-14
申请号：JP25638086
申请日：1986-10-28
申请人： TONE BORING CO , KAJIMA CORP
发明人： TERAJIMA TSUTOMU , KAWASAKI HIROYUKI , TAKAHASHI TADAO
IPC分类号： E02D17/13 , E02F3/20 , E02F5/02
摘要： PURPOSE:To permit any diameter of cutters to be attached by regulating the interaxial distance of a cutters by means of spacers by a method in which spacers are detachably set between frames constituting a trencher. CONSTITUTION:Reverse shafts 63 are provided with up and down relation at a point where the first frame 10 of a trencher is centered, and bit shafts 82 and 83 to be turned by a drive source 70 are set on both sides of the shaft 63. A wing bit 62, a drum cuter 22, and ring cutter 26 are turned by the shafts 82 and 83. The first spacer is provided between the shaft 63 and the second frame 100, and the second spacer is provided between the frame 100 and the 3rd frame 102. The distance between the shafts can thus be regulated even when the bit 62 or the cutter 26 is replaced with one of different diameters. Any diameter of cutters can be available for use.

9. 发明专利

JPH0324928B2 失效
公开(公告)号：JPH0324928B2
公开(公告)日：1991-04-04
申请号：JP6431485
申请日：1985-03-28
申请人： TONE BORING CO
发明人： TERAJIMA TSUTOMU , KAWASAKI HIROYUKI , TAKAHASHI TADAO
IPC分类号： E02D17/13 , E02F3/20 , E02F5/02 , E21B4/16 , E21B7/00

10. 发明专利

JPH0324927B2 失效
公开(公告)号：JPH0324927B2
公开(公告)日：1991-04-04
申请号：JP5205285
申请日：1985-03-15
申请人： TONE BORING CO
发明人： TERAJIMA TSUTOMU , KAWASAKI HIROYUKI , TAKAHASHI TADAO
IPC分类号： E02D17/13 , E02F3/20 , E02F5/02 , E21B4/16 , E21B7/00

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