EP0341764A2 - Vorrichtung zum sägeförmigen Ausschneiden zwischen zwei Paar Ober- und Untermessern und Kleben der Enden von Furnier - Google Patents

Vorrichtung zum sägeförmigen Ausschneiden zwischen zwei Paar Ober- und Untermessern und Kleben der Enden von Furnier Download PDF

Info

Publication number: EP0341764A2
Authority: EP; European Patent Office
Prior art keywords: bridge; arms; strips; hammer; ripening
Prior art date: 1988-05-11
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.): Granted

Application number

EP89200612A

Other languages

English (en)

French (fr)

Other versions

EP0341764A3 (en

EP0341764B1 (de

Inventor

Ludy Spoelders

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.)

1988-05-11

Filing date

1989-03-10

Publication date

1989-11-15

1989-03-10 Application filed by Individual filed Critical Individual

1989-11-15 Publication of EP0341764A2 publication Critical patent/EP0341764A2/de

1990-11-28 Publication of EP0341764A3 publication Critical patent/EP0341764A3/fr

1994-01-12 Application granted granted Critical

1994-01-12 Publication of EP0341764B1 publication Critical patent/EP0341764B1/de

2009-03-10 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting

Definitions

the invention relates to a device for sawtoothing between two pairs of lower and upper knives the ends of ripening strips and for gluing these ends under pressure using, inter alia, a carriage which pulls an adhesive strip across with respect to the ends of the ripening strips, a shield above which are the ends of the ripening strips and the adhesive strip and on which the necessary pressure is exerted by a hammer of a press which is movable upwards and bottom and for this purpose is housed in a bridge which is vertically movable relative to a fixed base plate.
the invention therefore aims to prescribe a device as described in the preamble and which allows a lower pressure formation for the pneumatic realization of the various operations described above, and allowing not only to save energy but especially to save time.
said bridge and the hammer which is connected to it as well as the upper knives are moved up and down relative to said fixed base plate, this movement being achieved by means of two pairs of two arms which are kinetically connected to each other and one of the arms of which is driven by a pneumatic cylinder, while said pneumatic cylinder acts on an eccentric by means of a lever, said eccentric controls the upward movement and down two of said arms, and a kinetic connection is provided between the arms.
Two pairs of lower knives 3 and 4 are mounted on the fixed base plate 1.
the upper plane of these lower knives 3 and 4 above which the ripening strips 5 and 5 ′ are guided and with which they are cut in sawtooth pattern according to a desired design, are at the same level.
the upper knives 6 and 7 collaborate with the lower knives 3 and 4.
a very important characteristic of the invention must precisely be seen in the difference in height of the cutting planes of the upper knives 6 and 7.
the ends of the ripening strips 5 and 5 ′ are held against the knives lower 3 and 4 during the cutting operation using pressure members 8. This pressure is ensured using springs 9.
the two cutting operations, carried out by the upper knives 6 and 7, are separated in time by a few fractions of a second, which means that the pneumatic pressure necessary to cut or cut two thicknesses of ripening strip is divided by of them. This is a very important feature of the invention.
the ripening strips 5 and 5 ′ are brought by means of drawers 11 towards the carriage 10 and therefore towards one another. These back-and-forth movements of the drawers on the base plate 1 are controlled by usual means; pneumatic cylinders 12 wedge the ripening strips 5, respectively 5 ′ during their displacement towards one another and during their distance from each other, as well as during the cutting and gluing operations.
the pressure necessary to join the adhesive strips under pressure and by application of heat to the sawtooth ends of the ripening strips is exerted on the shield 10 using the pneumatic press hammer 13.
This operation can only take place when the press 14 is anchored relative to the deck 2.
FIGS. 4 and 5 A possible embodiment is shown in FIGS. 4 and 5 where a cylinder 16, also pneumatically controlled, controls the reciprocating movement, according to the arrows 21, of the pivoting movements of the locking arm 19, which pneumatic cylinder 16 is connected to bridge 2 by a hinge point 17 and is connected by a hinge point 18 to the locking arm 19 which is pivotable, which arm is connected by a hinge point 20 to this same bridge 2.
a cylinder 16 also pneumatically controlled, controls the reciprocating movement, according to the arrows 21, of the pivoting movements of the locking arm 19, which pneumatic cylinder 16 is connected to bridge 2 by a hinge point 17 and is connected by a hinge point 18 to the locking arm 19 which is pivotable, which arm is connected by a hinge point 20 to this same bridge 2.
the locking arm 19 is hingedly connected at 22 to a bar 23 which is hingedly connected in 24 to a second locking arm 19 ′ which has a point of articulation 25 relative to the deck 2.
the locking arms 19, 19 ′ are made in duplicate so that they can move in front of and behind the hammer 13 and the pneumatic press 14. They therefore each time form a pair of locking arms 19, 19 ′ between which are housed on axes 26 and 26 ′. The purpose of these is to be pulled over the small steel blocks 27 and 27 'which are rounded on their outer side, when the locking arms 19 and 19' are moved towards each other. This position is made clear by FIG. 5.
the locking position according to FIG. 5 naturally also corresponds to the locking position shown diagrammatically in FIG. 3.
the pressure which is necessary to pull down the bridge 2 with the upper knives 6 and 7 which are connected to it as well as the pneumatic press 14 with the hammer 13, in order to cut the ripening strips and bond the ends sawtooth which follows, is developed by a set of organs and mechanical means, which form another very important characteristic of the invention.
the pressure is in fact exerted by a single pneumatic cylinder, in particular the cylinder 28.
This cylinder ensures the cutting and pressing operation.
the connecting rod 29 thereof pushes upwards the lever 30 which is hingedly connected thereto.
the lever 30 is connected to an eccentric 31 which during this movement of the connecting rod 29 and the lever 30 ensures the downward movement of the bars 32 which are connected in an articulated manner at 33 to the deck 2.
the cylinder 28 must not move only over a very short distance during the pressing operation, which means a significant reduction when considering the formation of pressure, time and energy that it requires.
the lateral back and forth movement of the connecting pin 35 is ensured from the eccentric 31 with the help of the lever 39 and the articulation point 34.
the connecting axis acts through of the lever 39 ′ and of the articulation point 34 ′ and the eccentric 31 ′ on the upward and downward displacement of the arms 32, which are connected in a comparable manner at 33 ′ to deck 2.
the pneumatic cylinder 36 with the connecting rod 37 and the articulated connection 38 with the connecting bar 35 provides the force to overcome the pressure of the springs 9 while, during the withdrawal of the cylinder 28, the air from the cylinder 36 is discharged through an air line not shown.
the cylinder 28, the connecting rod 29, and the lever 30 can be omitted.
Bridge 2 can then be pulled straight down using bars 32 and 32 ′. This can be done for example hydraulically, which makes it possible to cut thick ripening strips.

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Wood Science & Technology (AREA)
Forests & Forestry (AREA)
Veneer Processing And Manufacture Of Plywood (AREA)
Manufacture Of Wood Veneers (AREA)
Sawing (AREA)
Preliminary Treatment Of Fibers (AREA)
Finished Plywoods (AREA)

EP19890200612 1988-05-11 1989-03-10 Vorrichtung zum sägeförmigen Ausschneiden zwischen zwei Paar Ober- und Untermessern und Kleben der Enden von Furnier Expired - Lifetime EP0341764B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
BE8800529A BE1002413A3 (nl)	1988-05-11	1988-05-11	Inrichting voor het in zaagtandvorm tussen twee paren van boven- en ondermessen uitsnijden en verlijmen van de einden van fineerbanden.
BE8800529		1988-05-11

Publications (3)

Publication Number	Publication Date
EP0341764A2 true EP0341764A2 (de)	1989-11-15
EP0341764A3 EP0341764A3 (en)	1990-11-28
EP0341764B1 EP0341764B1 (de)	1994-01-12

Family

ID=3883409

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19890200612 Expired - Lifetime EP0341764B1 (de)	1988-05-11	1989-03-10	Vorrichtung zum sägeförmigen Ausschneiden zwischen zwei Paar Ober- und Untermessern und Kleben der Enden von Furnier

Country Status (5)

Country	Link
EP (1)	EP0341764B1 (de)
JP (1)	JPH0216002A (de)
BE (1)	BE1002413A3 (de)
DE (1)	DE68912193T2 (de)
ES (1)	ES2050212T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5793276A (en) *	1995-07-25	1998-08-11	Tdk Corporation	Organic PTC thermistor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE912146C (de) *	1940-12-31	1954-05-24	Heinrich Heissmann	Verfahren zum Verbinden zweier Furnierkanten ohne Zugabe jeglicher Bindemittel
DE6750842U (de) *	1968-06-10	1969-01-16	Torwegge F	Vorrichtung zum kantenfuegen von plattenfoermigen werkstuecken
DE2523203C2 (de) *	1975-05-26	1984-04-26	Bernhard Huser Maschinenbau, 7834 Herbolzheim	Stanzwerkzeug
JPS5590301A (en) *	1978-12-28	1980-07-08	Taihei Seisakusho Kk	Method of automatically pasting wood sheet and its device
JPS5619242A (en) *	1979-07-24	1981-02-23	Fujitsu Ltd	Detecting circuit for fault of hybrid circuit
GB8518634D0 (en) *	1985-07-23	1985-08-29	Smithkline Beckman Corp	Chemical compounds
DE3616143A1 (de) *	1986-05-14	1987-11-19	T A F Technologie Anlagen Und	Vorrichtung und verfahren zum verbinden von furnierstreifenenden

1988
- 1988-05-11 BE BE8800529A patent/BE1002413A3/nl not_active IP Right Cessation
1989
- 1989-03-10 EP EP19890200612 patent/EP0341764B1/de not_active Expired - Lifetime
- 1989-03-10 DE DE1989612193 patent/DE68912193T2/de not_active Expired - Fee Related
- 1989-03-10 ES ES89200612T patent/ES2050212T3/es not_active Expired - Fee Related
- 1989-05-10 JP JP11521889A patent/JPH0216002A/ja active Pending

Also Published As

Publication number	Publication date
DE68912193D1 (de)	1994-02-24
ES2050212T3 (es)	1994-05-16
BE1002413A3 (nl)	1991-01-29
JPH0216002A (ja)	1990-01-19
EP0341764A3 (en)	1990-11-28
EP0341764B1 (de)	1994-01-12
DE68912193T2 (de)	1994-05-05

Legal Events

Date	Code	Title	Description
1989-09-30	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1989-11-15	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE CH DE ES FR GB IT LI NL
1990-08-16	RHK1	Main classification (correction)	Ipc: B27D 1/10
1990-10-10	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1990-11-28	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE CH DE ES FR GB IT LI NL
1991-02-27	17P	Request for examination filed	Effective date: 19901221
1991-08-28	17Q	First examination report despatched	Effective date: 19910710
1993-04-14	RTI1	Title (correction)
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1994-06-16	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
1994-07-20	GBV	Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]	Effective date: 19940112
1994-11-12	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1994-11-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1995-01-04	26N	No opposition filed
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