GB2196580A

GB2196580A - Transprinting-type error correction tape

Info

Publication number: GB2196580A
Application number: GB08722951A
Authority: GB
Inventors: Hiroyuki Sakurai
Original assignee: Mitsubishi Pencil Co Ltd
Current assignee: Mitsubishi Pencil Co Ltd
Priority date: 1986-09-30
Filing date: 1987-09-30
Publication date: 1988-05-05
Also published as: JPS6356693U; IT1222747B; KR920006558Y1; FR2604390A1; GB8722951D0; CA1301106C; DE3732844A1; KR880006159U; IT8722045A0

Description

1 GB2196580A 1

SPECIFICATION tape 1.

The margins 3 are mainly for protecting do- Transprinting-type error correction tape cuments from a ball-point pen, etc. so that the documents are not soiled by a ball-point The present invention relates to a transprint- 70 pen moved out of the base tape when the ing-type error correction tape, and in particular base tape is rubbed by means of a ball-point the present invention relates to an error cor- pen to transprint and coat the film. On this rection tape for deleting errors by placing, for margin, graduations can be employed to de example, a white film coated on one side of a cide the tape length to be used and exactly base tape to an error part of a document, 75 grasp the deleting portion.

then rubbing the base tape to coat by tran- However, this margin can be omitted by sprinting the film onto the error from the base coating the film 2 all over the base tape tape. width. For such tapes, use of a spatula, etc., There is known a transprinting-type error i.e., other than writing tools, for rubbing the correction tape instead of the conventional 80 tape is preferred.

transprinting-type error correction sheet. This On the film 2, 1 cm unconnected portions 3 transprinting-type error correction tape has a are employed at 20 cm intervals. (note that problem in that the film becomes longer than the drawings are not to scale.) than base tape, especially upon manufacturing, The peeling-off of the film occurs when the caused by difference of physical characteristics 85 film becomes longer than the base tape after between the base tape and the film creating coating. The expanded length is absorbed at useless waved film peeled off from a base both ends of longitudinal direction of the error tape as shown in Fig. 3. correction ape. However, when the error cor- Viewed from one broad aspect the present rection tape length exceeds its limit, expansion invention provides a transprinting-type error 90 cannot be absorbed at both ends, then peel correction tape comprising a transprintable film ing-off occurs.

coated on one side of a base tape, wherein In the transprinting-type error correction said film comprises a plurality of unconnected tape according to an embodiment of the pre parts. sent invention, expansion of the film is ab- Preferably the film width is narrower than 95 sorbed at the unconnected portions 4. There- the base tape width, and the film is coated at fore, the unconnected portions are employed the center of the base tape leaving margins at regular intervals. The interval is decided ac on both sides of the base tape. cording to the difference of expanding charac- In addition, it is convenient to have the un- teristics of the film 2 and the base. For the connected parts at regular intervals. 100 base tape and the film used in the present An embodiment of the invention will now embodiment, a maximum of 1 cm uncon- be described by way of example and with nected portions at 50 cm intervals is enough.

reference to the accompanying drawings, in In addition, it is not necessary to make inter which:- vals for unconnected portions very short.

Figure 1 is a partial plan view of a tran- 105 The interval in the embodiment is 20 cm.

sprinting-type error correction tape; This is chosen on the assumption that a line Figure 2 is a sectional view along line A-A on letter-size paper is deleted at one time, in Fig. 1, and The longer intervals, for example 50 cm, are Figure 3 is similar to Fig. 2 showing the acceptable. The tape and film widths and the peeled state of a film of a conventional tran- 110 margin width are selectable.

sprinting-type error correction tape. Similarly to adhesive tapes, the error correc- In the figures, 1 is a base tape made of tion tape is generally reeled and stored in a polypropylene. A white film 2 is employed on tape dispenser. In use, the tape is drawn out one side of the said base tape. This film is by the necessary length from the tape dispen provided with 3 layers, i.e., starting from the 115 ser. Conventional tape dispensers with well base tape side, a layer of pigment, titanium known structures can be employed.

oxide and inorganic material, a layer of pig- On the margins of both sides of the tape, ment and titanium oxide and a layer of pres- suitable graduations can be employed.

sure-sensitive adhesive. Characters, etc. can The film, at least in embodiments of the be written on the film 2 after transprinting and 120 present invention is not peeled off because coating. the film expansion is absorbed at the uncon- The conventional base tapes and films are nected portions owing to the above-mentioned employable. It is desirable to have transparent structure.

or semi-transparent base tapes A variety of It is to be clearly understood that there are film colours are selected depending on the 125 no particular features of the foregoing specifi colours of the document having errors. cation, or of any claims appended hereto, The film 2 is made narrower than the base which are at present regarded as being essentape 1 and coated at the center of the base tial to the performance of the present inven tape 1. Accordingly, there exist margins 3 of tion, and that any one or more of such fea constant width on both edges of the base 130 tures or combinations thereof may therefore 2 GB2196580A 2 be included in, added to, omitted from or de leted from any of such claims if and when amended during the prosecution of this appli cation or in the filing or prosecution of any divisional application based thereon.

Claims

1. A transprinting-type error correction tape comprising a transprintable film coated on one side of a base tape, wherein said film comprises a plurality of unconnected parts.

2. A tape according to claim 1, wherein the film width is narrower than the base tape width, and the film is coated at the center of the base tape.

3. A tape according to claim 1 or 2, wherein the unconnected parts are spaced at regular intervals.

4. A transprinting-type error correction tape substantially as hereinbefore described with reference to Figs. 1 and 2 of the draw ings.

Published 1988 at The Patent Office, State House, 66/7 1 High Holborn, London WC 1 R 4TP Further copies may be obtained from The Patent Office, Sales Branch, St Mary Cray, Orpington, Kent BR5 3RD.

Printed by Burgess & Son (Abingdon) Ltd- Con. 1/87.