THE MAKING METHOD OF SHELL CONSTRUCTION MATERIAL,申请号KR19890002165-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	THE MAKING METHOD OF SHELL CONSTRUCTION MATERIAL
摘要	The method for manufacturing the concical shell using a cone- die, includes the first process for upsetting and punching an ingot; second process for taper mandreling the punched ingot; third process for taper ring forging; fourth process for inserting the cone-die and expanding the forged product to the wanted size and shape. The ingot (1) of forging is heated at 850-950 degreec of temperature and the cone-die is maintained at room temperature.
申请公布号	KR910005539(B1)	申请公布日期	1991.07.31
申请号	KR19890002165	申请日期	1989.02.24
申请人	KOREA HEAVY IND.CO.,LTD.	发明人	HAN KEONG-YOUL;CHO JONG-RE;CHO SEUNG-SICK;PARK YOUNG-BOCK
分类号	B21J1/00;(IPC1-7):B21J1/00	主分类号	B21J1/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

THE MEASURING DEVICE OF PAIN REACTION FOR EXPERIMENTAL ANIMALS

AIR-DISSOLVED WATER PRODUCTION DEVICE

METHOD, APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PROVIDING DEVICE SECURITY

REAR-INSTALLABLE FIBER OPTIC MODULES AND EQUIPMENT

METHOD OF THE SYNTHESIS OF HYBRIDE NANOPARTICLES FROM AGGLOMERATES OF MULTICOMPONENT COMPLEX METALLIC OXIDES NANOPARTICLES

Projection display device for use as inverse head-up-display and integrable in instrument cluster in e.g. airplane, has sensor measuring light intensity of ambient lights and transmitting intensity as control variable to controller unit

Radiator valve control system has thermostatic cover, which is impinged on radiator valve, where room temperature set-point is adjusted using one of attached wireless power adapters

Commutator motor for use in anti-lock braking device of motor vehicle, has stator provided with stator poles, and armature rotor provided with armature teeth, which are arranged with rotor grooves lying at periphery of armature rotor

Supply trolley for use in canteens/food service industry and hospital/clinical applications has pressure spring castor wheel suspension

Terminal clamp for radial contacting of axial end of multi-phase coaxial current bar, has clamp ring with ring width coinciding with contact ring width, and circular-segment-type assembly level arranged in distributed manner

Micro switch, has double contact system, switch housing, and armature provided for assembling movable contacts and tension spring, and lateral upper support arms attached at armature for supporting movable contacts

Portable wood processing system for e.g. wood milling, has transport aerial railway or flexible hose cable arranged between collecting container and transport container, where hose cable consists of pipe elements

Air conditioner for air conditioning of room in building, has air conducting elements influencing partial air stream moving in flow direction into room, where air conditioned by influenced partial air stream is discharged into room

LED module for use in vehicle headlight, has two assembly plates on which respective semiconductor light sources are arranged, and flexible mechanical and electrical connection i.e. cable, provided between assembly plates

Table arrangement for motor vehicle, particularly rail vehicle, has table arranged at wall of car body of motor vehicle adjacent to seating arrangement consisting of passenger seats

Electrodes, particularly interdigitated electrode system for resistive particle sensor, comprise platinum and glass having predetermined softening temperature

Swing door, of a domestic oven, has a centering unit inserted into the air gap between the door and the fixed oven front sections

Vibration damper i.e. double tube damper, for wheel suspension of motor vehicle, has check valve formed by lip that permits overflow of medium in direction of balancing region and locks overflow in opposite direction

Arm-rest for motor vehicle, has backrest portion with supporting surface for supporting passenger, and another backrest portion has another supporting surface for supporting passenger

Household appliance device for baking oven, has control device provided with set of sensor units and screen unit, where screen unit has two partial areas that are formed by different materials and cover set of sensor units