GB1551660A - Rolla comprising coverings formed of helically-wound strips - Google Patents

Rolla comprising coverings formed of helically-wound strips

Info

Publication number
GB1551660A
GB1551660A GB23707/77A GB2370777A GB1551660A GB 1551660 A GB1551660 A GB 1551660A GB 23707/77 A GB23707/77 A GB 23707/77A GB 2370777 A GB2370777 A GB 2370777A GB 1551660 A GB1551660 A GB 1551660A
Authority
GB
United Kingdom
Prior art keywords
rolla
helically
wound strips
coverings formed
coverings
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
Application number
GB23707/77A
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.)
Valmet Oy
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Publication of GB1551660A publication Critical patent/GB1551660A/en
Expired 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • B29C65/1425—Microwave radiation
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B29C65/1429—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface
    • B29C65/1464—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the way of heating the interface making use of several radiators
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/08—Pressure rolls
GB23707/77A 1976-06-15 1977-06-03 Rolla comprising coverings formed of helically-wound strips Expired GB1551660A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI761730A FI761730A (en) 1976-06-15 1976-06-15

Publications (1)

Publication Number Publication Date
GB1551660A true GB1551660A (en) 1979-08-30

Family

ID=8510078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23707/77A Expired GB1551660A (en) 1976-06-15 1977-06-03 Rolla comprising coverings formed of helically-wound strips

Country Status (11)

Country Link
JP (1) JPS5310706A (en)
AT (1) AT357025B (en)
BR (1) BR7703815A (en)
CA (1) CA1121465A (en)
DE (1) DE2726812A1 (en)
FI (1) FI761730A (en)
FR (1) FR2355118A1 (en)
GB (1) GB1551660A (en)
IT (1) IT1083824B (en)
NO (1) NO772055L (en)
SE (1) SE7706888L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304979A (en) * 1978-10-24 1981-12-08 Leybold-Heraeus Gmbh Method and apparatus for electron beam welding at elevated pressures
JPS5824220B2 (en) * 1979-06-25 1983-05-19 フアナック株式会社 Machine tool tool change mechanism
US4468552A (en) * 1982-09-29 1984-08-28 Advanced Technologies, Inc. Method of applying hard surfaces to gate valves and the like
JPS59182086A (en) * 1983-03-29 1984-10-16 三菱電機株式会社 Hand device for industrial robot
DE3447706A1 (en) * 1984-12-28 1986-07-03 Maho Werkzeugmaschinenbau Babel & Co, 8962 Pfronten TOOL MAGAZINE
JPS61296971A (en) * 1985-06-26 1986-12-27 Mitsubishi Heavy Ind Ltd Electron beam welding method for screen cylinder
JPS62120935A (en) * 1985-11-20 1987-06-02 Kira Tekkosho:Kk Automatic tool changer
FI20085351A0 (en) 2008-04-23 2008-04-23 Metso Paper Inc Roll to a fiber web machine and method of producing a roll to a fiber web machine

Also Published As

Publication number Publication date
FR2355118B1 (en) 1982-01-22
JPS5310706A (en) 1978-01-31
FR2355118A1 (en) 1978-01-13
IT1083824B (en) 1985-05-25
SE7706888L (en) 1977-12-16
BR7703815A (en) 1979-01-02
CA1121465A (en) 1982-04-06
DE2726812A1 (en) 1977-12-22
FI761730A (en) 1977-12-16
AT357025B (en) 1980-06-10
NO772055L (en) 1977-12-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee