DK177681A - Stoebekerne til buede roer - Google Patents

Stoebekerne til buede roer

Info

Publication number
DK177681A
DK177681A DK177681A DK177681A DK177681A DK 177681 A DK177681 A DK 177681A DK 177681 A DK177681 A DK 177681A DK 177681 A DK177681 A DK 177681A DK 177681 A DK177681 A DK 177681A
Authority
DK
Denmark
Prior art keywords
bowls
beams
showed
showed beams
Prior art date
Application number
DK177681A
Other languages
English (en)
Other versions
DK152344C (da
DK152344B (da
Inventor
M Mayumi
T Okujama
K Mitooka
Original Assignee
Sekisui Chemical Co Ltd
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
Priority claimed from JP55072629A external-priority patent/JPS5939293B2/ja
Priority claimed from JP55072630A external-priority patent/JPS5939294B2/ja
Application filed by Sekisui Chemical Co Ltd filed Critical Sekisui Chemical Co Ltd
Publication of DK177681A publication Critical patent/DK177681A/da
Publication of DK152344B publication Critical patent/DK152344B/da
Application granted granted Critical
Publication of DK152344C publication Critical patent/DK152344C/da

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
DK177681A 1980-05-29 1981-04-21 Kerneform til roerboejninger DK152344C (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP55072629A JPS5939293B2 (ja) 1980-05-29 1980-05-29 曲り管成形用芯型
JP55072630A JPS5939294B2 (ja) 1980-05-29 1980-05-29 曲り管成形用芯型
JP7262980 1980-05-29
JP7263080 1980-05-29

Publications (3)

Publication Number Publication Date
DK177681A true DK177681A (da) 1981-11-30
DK152344B DK152344B (da) 1988-02-22
DK152344C DK152344C (da) 1988-08-01

Family

ID=26413762

Family Applications (1)

Application Number Title Priority Date Filing Date
DK177681A DK152344C (da) 1980-05-29 1981-04-21 Kerneform til roerboejninger

Country Status (7)

Country Link
US (1) US4384839A (da)
EP (1) EP0041123B1 (da)
AU (1) AU542329B2 (da)
CA (1) CA1175329A (da)
DE (1) DE3164122D1 (da)
DK (1) DK152344C (da)
NO (1) NO159355C (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767041A (en) * 1986-06-19 1988-08-30 Huron/St. Clair Company, A Division Of Masco Industries, Inc. Luggage carrier with detachable suspended load-bearing rack
US5160691A (en) * 1990-08-07 1992-11-03 Siemens Automotive L.P. Intake manifold/fuel rail method
CA2077400A1 (en) * 1991-10-08 1993-04-09 Mikhail Leyderman Mandrel and a method of making a rigid tubular article
US5462263A (en) * 1993-08-20 1995-10-31 Prototype Systems, Inc. Modular tooling system for die model verification

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US223820A (en) * 1880-01-27 Flexible core for casting
US840637A (en) * 1906-11-10 1907-01-08 Firm Of Locher & Cie Mold for constructing hollow concrete columns.
US875518A (en) * 1907-04-16 1907-12-31 George Georgenson Sectional sewer-mold.
US1145228A (en) * 1911-12-14 1915-07-06 Robert O Blayney Mold for tubular concrete structures.
US1246532A (en) * 1917-01-26 1917-11-13 Egbert J Bosma Apparatus for molding hollow concrete walls.
US1598059A (en) * 1923-01-29 1926-08-31 Emil F Cykler Manufacture of concrete piles
US1538902A (en) * 1923-04-20 1925-05-26 Thomas E Murray Core and method of making conduits
US2234784A (en) * 1939-09-23 1941-03-11 William J Stolz Device for forming passages in concrete
US2360899A (en) * 1941-07-22 1944-10-24 Goodrich Co B F Building form
US2460845A (en) * 1944-07-14 1949-02-08 Sun Rubber Co Form for building hollow articles
US2882951A (en) * 1954-02-26 1959-04-21 Western Electric Co Mandrels for making seamless bends in rectangular tubing
FR1359236A (fr) * 1963-03-12 1964-04-24 Entpr S Boussiron Soc D Exécution de poutres tubulaires en béton
JPS5935326B2 (ja) * 1976-04-10 1984-08-28 株式会社クボタ 強化プラスチツク製管継手の製造法
JPS5931925B2 (ja) * 1978-06-28 1984-08-06 積水化学工業株式会社 環状溝を有する強化プラスチツク管状体の成形方法及び成形型
US4298330A (en) * 1981-08-06 1981-11-03 Dayco Corporation Curved mandrel for curing polymeric hose and method

Also Published As

Publication number Publication date
US4384839A (en) 1983-05-24
DK152344C (da) 1988-08-01
DK152344B (da) 1988-02-22
CA1175329A (en) 1984-10-02
NO811351L (no) 1981-11-30
DE3164122D1 (en) 1984-07-19
NO159355C (no) 1988-12-21
AU542329B2 (en) 1985-02-21
AU6968181A (en) 1981-12-03
EP0041123B1 (en) 1984-06-13
NO159355B (no) 1988-09-12
EP0041123A1 (en) 1981-12-09

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Legal Events

Date Code Title Description
PBP Patent lapsed