Separable mandrel fastening structure for pressure vessel manufacturing

• Main Authors: CHO MOON SOO, CHO YUN HO
• Format: Patent
• Language: English; Korean
• Published: 22.06.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The present invention relates to a separable mandrel fastening structure for manufacturing a pressure vessel and, more specifically, to a separable mandrel fastening structure for manufacturing a pressure vessel, which has a simple coupling structure to facilitate assemblage and separation and has durability capable of preventing sagging due to tension applied during a winding process. According to the present invention, a separable mandrel includes a cylinder part and a dome part, the cylinder part and the dome part are formed of a plurality of separable segments, respectively, and each segment is joined through a fastening part formed on the inner circumferential surface thereof. 본 발명은 압력용기 제조를 위한 분리형 맨드릴 체결구조에 관한 것으로서, 보다 구체적으로는 결합 구조가 단순하여 조립과 분리가 용이할 뿐만 아니라, 와인딩 공정시 가해지는 장력에 의한 처짐을 방지할 수 있는 내구성을 갖춘 압력용기 제조를 위한 분리형 맨드릴 체결구조에 관한 것이다. 본 발명은 압력용기 제조를 위한 분리형 맨드릴 체결구조에 관한 것으로서, 상기 분리형 맨드릴은 실린더부와, 돔부를 포함하며, 실린더부와, 돔부는 각각 분리가능한 복수의 세그먼트로 구성되고, 각 세그먼트는 그 내주면에 형성된 결합부를 통해 결합하는 것을 특징으로 한다.