CA2299487C - Mandrin retractable - Google Patents

Mandrin retractable Download PDF

Info

Publication number
CA2299487C
CA2299487C CA 2299487 CA2299487A CA2299487C CA 2299487 C CA2299487 C CA 2299487C CA 2299487 CA2299487 CA 2299487 CA 2299487 A CA2299487 A CA 2299487A CA 2299487 C CA2299487 C CA 2299487C
Authority
CA
Canada
Prior art keywords
mandrel
sections
wall sections
connection means
edge surfaces
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.)
Expired - Fee Related
Application number
CA 2299487
Other languages
English (en)
Other versions
CA2299487A1 (fr
Inventor
Lembit Siilats
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA 2299487 priority Critical patent/CA2299487C/fr
Publication of CA2299487A1 publication Critical patent/CA2299487A1/fr
Application granted granted Critical
Publication of CA2299487C publication Critical patent/CA2299487C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • B29C33/485—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling cores or mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • B29C53/821—Mandrels especially adapted for winding and joining
    • B29C53/824—Mandrels especially adapted for winding and joining collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26—Lining or sheathing of internal surfaces
    • B29C63/34—Lining or sheathing of internal surfaces using tubular layers or sheathings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
CA 2299487 2000-02-24 2000-02-24 Mandrin retractable Expired - Fee Related CA2299487C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2299487 CA2299487C (fr) 2000-02-24 2000-02-24 Mandrin retractable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2299487 CA2299487C (fr) 2000-02-24 2000-02-24 Mandrin retractable

Publications (2)

Publication Number Publication Date
CA2299487A1 CA2299487A1 (fr) 2001-08-24
CA2299487C true CA2299487C (fr) 2002-08-27

Family

ID=4165377

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2299487 Expired - Fee Related CA2299487C (fr) 2000-02-24 2000-02-24 Mandrin retractable

Country Status (1)

Country Link
CA (1) CA2299487C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20060463A1 (it) * 2006-06-23 2007-12-24 Alenia Aeronautica Spa Apparecchiatura e procedimento per la fabbricazione di un tronco di fusoliera
GB201116476D0 (en) 2011-09-26 2011-11-09 Rolls Royce Plc Mandrel for forming a component
NL2014266B1 (en) * 2015-02-09 2016-10-13 Plasticon Composites Int Contracting B V Mandrel and method for manufacturing substantially cylindrical shaped objects.
EP4015182A1 (fr) * 2020-12-18 2022-06-22 The Boeing Company Mandrin segmenté pour fabrication composite
CN113927883A (zh) * 2021-10-15 2022-01-14 西安美兰德新材料有限责任公司 一种用于筒体缠绕成型的伸缩式组装模具

Also Published As

Publication number Publication date
CA2299487A1 (fr) 2001-08-24

Similar Documents

Publication Publication Date Title
CA1121704A (fr) Mandrin compressible
US3754717A (en) Collapsible mandrel
CA2299487C (fr) Mandrin retractable
CN112658174A (zh) 一种可收缩模具、内圈钢筋笼的制作装置及制作方法
CN111576737B (zh) 一种整体式无焊接格构柱
WO2007059616A1 (fr) Ensemble structurel et son procede de fabrication
US4288277A (en) Molding system with retracting mold
CN111946055B (zh) 一种变形缝两侧剪力墙的施工方法
CN113232135B (zh) 泡沫塑料板隔离芯模及其使用方法
CN114575259B (zh) 一种模板调节装置
CN106906957A (zh) 复合式轴向冷挤压钢筋连接套筒及安装工具
CN113664427A (zh) 不锈钢风管焊接定型装置及其施工方法
CN113404106B (zh) 一种节状地下连续墙的施工方法及其节部挤扩成槽装置
CN213107394U (zh) 方形芯模
CN212445706U (zh) 用于预制空心构件的内模装置
RU2504471C1 (ru) Разборная оправка
KR100554274B1 (ko) 필라멘트 와인딩용 맨드럴장치
CN210477867U (zh) 龙骨支架
JP2681206B2 (ja) コンクリートパイル等の製造装置及びこれに使用する長さ調整可能な緊張ロッド装置
CN213107401U (zh) 圆形芯模
DE3049492A1 (de) Maschine zum herstellen von formkoerpern aus beton
CN110965767A (zh) 一种工程施工井支模爬升系统
JPH05124023A (ja) 型枠装置
CN116044073B (zh) 一种预应力混凝土叠合楼板及其制备工艺
CN115142667B (zh) 一体化自爬升电梯井井模结构及其施工方法

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20130225