JPS6463118A - Manufacture of tubular body - Google Patents

Manufacture of tubular body

Info

Publication number
JPS6463118A
JPS6463118A JP22044787A JP22044787A JPS6463118A JP S6463118 A JPS6463118 A JP S6463118A JP 22044787 A JP22044787 A JP 22044787A JP 22044787 A JP22044787 A JP 22044787A JP S6463118 A JPS6463118 A JP S6463118A
Authority
JP
Japan
Prior art keywords
tubular body
film
gap
resin
peripheral wall
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.)
Pending
Application number
JP22044787A
Other languages
Japanese (ja)
Inventor
Hironori Takase
Shunichi Nakahara
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP22044787A priority Critical patent/JPS6463118A/en
Publication of JPS6463118A publication Critical patent/JPS6463118A/en
Pending legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE:To obtain a favorable clearance by a method wherein a first process for making a first tubular body, a second process for setting a gap through a film on the peripheral wall of the first tubular body, a third process for pouring resin in the gap and hardening the resin and a fourth process for removing the film by dissolving are provided. CONSTITUTION:In a first process, a first tubular body 20 is made so as to have a shape, in which the linear ratio of the distance between wall surfaces to the maximum radial dimension of the portion having the largest radial dimension of the peripheral wall is set to be nearly 1:1. In a second process, a soluble film 21 is installed onto the peripheral wall of the first tubular body 20 so as to be installed and held in the predetermined mold in order to set a resin pouring gap through the film 21 on the peripheral wall of the first tubular body 20. Further, in a third process, resin is poured in the gap and hardened. In a fourth process, the film 11 is removed by dissolving. By molding a second tubular body 22 as mentioned above, favorable clearances can be obtained axially and radially between the first tubular body 20 and the second tubular body 22.
JP22044787A 1987-09-04 1987-09-04 Manufacture of tubular body Pending JPS6463118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22044787A JPS6463118A (en) 1987-09-04 1987-09-04 Manufacture of tubular body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22044787A JPS6463118A (en) 1987-09-04 1987-09-04 Manufacture of tubular body

Publications (1)

Publication Number Publication Date
JPS6463118A true JPS6463118A (en) 1989-03-09

Family

ID=16751257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22044787A Pending JPS6463118A (en) 1987-09-04 1987-09-04 Manufacture of tubular body

Country Status (1)

Country Link
JP (1) JPS6463118A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100754748B1 (en) * 2005-04-26 2007-09-03 주식회사 코리아나화장품 Compositiion for Inhibiting 5?-Reductase Activity and Cosmetic Composition for Inhibiting Secretion of Sebum containing Extract of Ulmus davidiana as Active Ingredient

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100754748B1 (en) * 2005-04-26 2007-09-03 주식회사 코리아나화장품 Compositiion for Inhibiting 5?-Reductase Activity and Cosmetic Composition for Inhibiting Secretion of Sebum containing Extract of Ulmus davidiana as Active Ingredient

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